A Phase IV Study of the Safety and Efficacy of Aripiprazole in Combination With Lamotrigine in the Long-Term Maintenance Treatment of Patients With Bipolar I Disorder With A Recent Manic or Mixed Episode

Sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc. (Industry)
Overall Status
Completed
CT.gov ID
NCT00277212
Collaborator
Otsuka America Pharmaceutical (Industry)
1,169
66
2
43
17.7
0.4

Study Details

Study Description

Brief Summary

Efficacy of Aripiprazole in Combination with Lamotrigine in the Long-Term Maintenance Treatment of Bipolar I Disorder in Outpatients with Recent Manic or Mixed Episode

Condition or Disease Intervention/Treatment Phase
  • Drug: Lamotrigine + Aripiprazole
  • Drug: Lamotrigine + Placebo
Phase 4

Study Design

Study Type:
Interventional
Actual Enrollment :
1169 participants
Allocation:
Randomized
Intervention Model:
Parallel Assignment
Masking:
None (Open Label)
Primary Purpose:
Treatment
Official Title:
A Multicenter, Double-blind, Study of the Efficacy and Safety of Aripiprazole in Combination With Lamotrigine in the Long-term Maintenance Treatment of Patients With Bipolar I Disorder With a Recent Manic or Mixed Episode
Study Start Date :
Dec 1, 2005
Actual Primary Completion Date :
Jul 1, 2009
Actual Study Completion Date :
Jul 1, 2009

Arms and Interventions

Arm Intervention/Treatment
Experimental: A1

Phase 1: Single-Blind Treatment, Lamotrigine + Aripiprazole ; Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole

Drug: Lamotrigine + Aripiprazole
Tablets, Oral, once daily, Phase 1 (all subjects) - up to 24 weeks; Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day Aripiprazole 10-30 mg/day
Other Names:
  • Abilify
  • BMS-337039
  • Placebo Comparator: A2

    Phase 2 Double-Blind Treatment: Lamotrigine + Placebo

    Drug: Lamotrigine + Placebo
    Tablets, Oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day placebo 0 mg/day

    Outcome Measures

    Primary Outcome Measures

    1. Proportion of Participants Not Experiencing Relapse Through Week 52 in the Double-Blind Relapse Assessment Phase (Phase 2) [Weeks 0, 2, 4, 6, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52]

      Time from randomization to relapse to a manic or mixed episode in the Double-Blind Relapse Assessment Phase as measured by the Proportion of Participants without Relapse Through Week 52 (Kaplan-Meier's estimated survival rate).

    Secondary Outcome Measures

    1. Proportion of Participants Not Experiencing Relapse (Manic, Mixed, Depressive) in the Double-blind Relapse Assessment Phase Phase 2 [Weeks 0, 2, 4, 6, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52]

      Proportion of Participants without Relapse Through Week 52 (Kaplan-Meier's estimated survival rate).

    2. Proportion of Participants Not Experiencing a Depressive Relapse in the Double-blind Relapse Assessment Phase (Phase 2) [Weeks 0, 2, 4, 6, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52]

      Proportion of Participants without Relapse Through Week 52 (Kaplan-Meier's estimated survival rate).

    3. Proportion of Participants Without Discontinuation for Any Reason in the Double-blind Relapse Assessment Phase (Phase 2) [Weeks 0, 2, 4, 6, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52]

      Proportion of Participants without Discontinuation Through Week 52(Kaplan-Meier's estimated survival rate).

    4. Deaths, Treatment-Emergent Serious Adverse Events (SAEs), Adverse Events (AEs) Leading to Discontinuation of Study Medication, Treatment-Emergent AEs and Treatment-Emergent Extrapyramidal Syndrome (EPS)-Related AEs [Throughout Phase 2 (up to 52 weeks)]

      AE is defined as any new untoward medical occurrence or worsening of a pre-existing medical condition. SAE is any untoward medical occurrence that at any dose results in death, is life-threatening, requires inpatient hospitalization or causes prolongation of existing hospitalization, results in persistent or significant disability/incapacity, is a cancer, is a congenital anomaly/birth defect, results in the development of drug dependency or drug abuse, is an important medical event.

    5. Adjusted Mean Change From Baseline in Body Weight, Phase 2 [Baseline, Week 52]

      Adjusted for index mood episode and baseline assessment

    6. Number of Participants Showing Clinically Relevant Weight Loss by Study Week [Weeks 12, 24, 36, 52]

      Weight Loss of at least a 7% decrease from Baseline.

    7. Number of Participants Showing Clinically Relevant Weight Gain by Study Week [Weeks 12, 24, 36, 52]

      Weight gain of at least a 7% increase from Baseline.

    8. Adjusted Mean Change From Baseline in BMI by Study Week [Baseline, Weeks 12, 24, 36, 52]

      Adjusted for index mood episode and baseline assessment.

    9. Number of Participants With Potentially Clinically Significant Electrocardiogram (ECG) Abnormalities Occurring During Double-Blind Treatment [Throughout the study, up to Week 52]

      Abbreviations and further description used in table: Sinus tachycardia, ≥120 beats per minute (bpm) and ↑ ≥15 bpm & no current diagnosis of supraventricular or ventricular tachycardia/atrial fibrillation (AF)/atrial flutter/ other rhythm abnormality. Sinus bradycardia, ≤ 50 bpm and ↓ 15 bpm & no current diagnosis of AF/atrial flutter/other rhythm abnormality. Supraventricular premature beat (SPB), Ventricular premature beat (VPB), Atroventricular (A-V). Other intraventricular block, QRS ≥0.12 sec and ↑ ≥0.02 sec & no current diagnosis of left or right bundle branch block.

    10. Number of Participants With Potentially Clinically Relevant Vital Sign Abnormalities Occurring During Double-Blind Treatment [Up to 52 Weeks]

      In order to be identified as clinically relevant abnormal, an on-drug value must meet the Criterion Value (CV) and also represent a change from the patient's pretreatment value of at least the Change Relative to Baseline (CRB) magnitude. Heart Rate CV: 120 beats per minute (bpm), CRB: increase of ≥15 / CV: 50 bpm, CRB: decrease of ≥15. Systolic BP CV: 180 mmHg, CRB: increase of ≥20 / CV: 90 mmHg, CRB: decrease of ≥20. Diastolic BP CV: 105 mmHg, CRB: increase of ≥15 / CV: 50 mmHg, CRB: decrease of ≥15.

    11. Number of Participants With Potentially Clinically Relevant Laboratory Abnormalities Occurring During Double-Blind Treatment (Phase 2) [Throughout Phase 2 of the study, up to Week 52]

      Chemistry, hematology, and urinalysis abnormalities.Abbreviations used: alanine aminotransferase (ALT), institutional upper limit of normal (ULN), aspartate aminotransferase (AST), alkaline phosphatase (ALP), lactate dehydrogenase (LDH), high density lipoprotein cholesterol (HDL-C), low density lipoprotein cholesterol (LDL-C), baseline (BL)

    12. Summary of Concomitant Medications, Phase 1 [Phase 1 (9 to 24 Week Single-blind Stabilization Phase)]

    13. Summary of Concomitant Medications, Phase 2 [Phase 2 (52 Week Double-blind Relapse Assessment Phase)]

    14. Adjusted Mean Change From Baseline in Simpson-Angus Scale (SAS) Total Score [Baseline, Weeks 8, 24, 36, 52]

      The SAS is a 10-item instrument used to evaluate the presence and severity of parkinsonian symptomatology. The ten items focus on rigidity rather than bradykinesia, and do not assess subjective rigidity or slowness. Items are rated for severity on a 0-4 scale, with definitions given for each anchor point. The total SAS Score has a possible range from 10 to 50. Negative change scores indicate improvement.

    15. Adjusted Mean Change From Baseline in Abnormal Involuntary Movement Scale (AIMS) Total Score [Baseline, Weeks 8, 24, 36, 52]

      The AIMS is an assessment of movement dysfunctions. It is a 12-item instrument assessing abnormal involuntary movements associated with antipsychotic drugs and 'spontaneous' motor disturbance related to the illness itself. Scoring the AIMS consists of rating the severity of movement in 3 main anatomic areas (facial/oral, extremities, and trunk), based on a five-point scale (0=none, 4=severe). The AIMS Total Score has a possible range from 0 to 28. Negative change scores indicate improvement in movement dysfunction.

    16. Adjusted Mean Change From Baseline in Barnes Akathisia Global Clinical Assessment, [Baseline, Weeks 8, 24, 36, 52]

      The Barnes Akathisia Rating Scale is a 4-item scale to assess presence and severity of drug-induced akathisia, including both objective items and subjective items, together with a global clinical assessment of akathisia. Global assessment is made on a scale of 0 to 5 with comprehensive definitions provided for each anchor point on scale: 0=absent; 1=questionable; 2=mild akathisia; 3=moderate akathisia; 4=marked akathisia; 5=severe akathisia. Score has a possible range from 0 (absent) to 5 (severe akathisia). Negative change scores indicate improvement in akathisia.

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    18 Years and Older
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    No
    Inclusion Criteria:
    • Men and women ≥ 18 years of age meeting Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (Text Revision) (DSM-IV-TR) criteria for bipolar I disorder, recently experiencing a manic or mixed episode with a history of one or more manic or mixed episodes of sufficient severity to require treatment with a mood stabilizer or antipsychotic
    Exclusion Criteria:
    • First manic episode

    • Current manic or mixed episode with > 2 years duration

    • Treated with aripiprazole within the past 3 months

    • Allergic, intolerant, hypersensitive or refractory to aripiprazole or lamotrigine

    Contacts and Locations

    Locations

    Site City State Country Postal Code
    1 University Of Alabama At Birmingham Birmingham Alabama United States 35205
    2 Southwest Biomedical Research Foundation Tucson Arizona United States 85712
    3 Pravin Kansagra, M.D. Anaheim California United States 92801
    4 College Hospital Costa Mesa Costa Mesa California United States 92627
    5 Pacific Institute For Medical Research, Inc. Los Angeles California United States 90024
    6 Excell Research Oceanside California United States 92056
    7 Southern Ca Clinical Research, Inc. Pasadena California United States 91106
    8 Stanford University Stanford California United States 94305
    9 Los Angeles Biomedical Research Institute Torrance California United States 90502
    10 Pacific Clinical Research Medical Group Upland California United States 91786
    11 Health Sciences America, Llc Boca Raton Florida United States 33432
    12 Cns Clinical Research Group Coral Springs Florida United States 33065
    13 Act Clinical Research Institute, Llc Daytona Beach Florida United States 32124
    14 Neuropsychiatric Research Center Of Southwest Florida Fort Myers Florida United States 33912
    15 Aurora-Cuervo Clinical Trials Miami Florida United States 33143
    16 Gulf Coast Medical Research Port Charlotte Florida United States 33952
    17 Janus Center For Psychiatric Research West Palm Beach Florida United States 33407
    18 Comprehensive Neuroscience, Inc Atlanta Georgia United States 30328
    19 Valle Vista Health System Greenwood Indiana United States 46143
    20 Clinco Terre Haute Indiana United States 47802
    21 Clinical Trials Technology, Inc Prairie Village Kansas United States 66206
    22 Clinical Research Institute Wichita Kansas United States 67213
    23 University Of Kentucky, Dept. Of Psychiatry Lexington Kentucky United States 40509
    24 Owensboro Behavioral Care Owensboro Kentucky United States 42301
    25 Sheppard Pratt Health System Baltimore Maryland United States 21285
    26 Clinical Insights Glen Burnie Maryland United States 21061
    27 Capital Clinical Research Associates Rockville Maryland United States 20852
    28 Psychopharmacology Research Corporation Farmington Hills Michigan United States 48334
    29 University Of Minnesota Minneapolis Minnesota United States 55455
    30 Regions Hospital St. Paul Minnesota United States 55101
    31 Precise Research Centers Flowood Mississippi United States 39232
    32 University Of Medicine & Dentistry Of New Jersey Cherry Hill New Jersey United States 08002
    33 Buffalo Psychiatric Center Buffalo New York United States 14213
    34 Finger Lakes Clinical Research Rochester New York United States 14618
    35 Richmond Behavioral Associates Staten Island New York United States 10312
    36 Duke University Medical Center Durham North Carolina United States 27705
    37 Zarzar Psychiatric Associates, Pllc Raleigh North Carolina United States 27607
    38 Horizon Medical Services Bismarck North Dakota United States 58501
    39 Neuro Behavioral Clinical Research, Inc. Canton Ohio United States 44708
    40 Community Research Cincinnati Ohio United States 45227
    41 Saroj Brar Md, Inc Cleveland Ohio United States 44113
    42 University Of Oklahoma Health Sciences Center Oklahoma City Oklahoma United States 73104
    43 Cutting Edge Research Oklahoma City Oklahoma United States 73116
    44 Summit Research Network Portland Oregon United States 97210
    45 Lehigh Valley Hospital Allentown Pennsylvania United States 18103
    46 Lehigh Center For Clinical Research Allentown Pennsylvania United States 18104
    47 Dubois Regional Medical Center Dubois Pennsylvania United States 15801
    48 Freimer, Martin East Stroudsburg Pennsylvania United States 18301
    49 University Of Pennsylvania Philadelphia Pennsylvania United States 19104
    50 Belmont Center For Comprehensive Treatment Philadelphia Pennsylvania United States 19131
    51 Cns Research Institute Philadelphia Pennsylvania United States 19149
    52 Ut Medical Group/Odyssey Research Memphis Tennessee United States 38105
    53 Psychiatric Consultants, Pc Nashville Tennessee United States 37203
    54 Harmony Research, Llc Piney Flats Tennessee United States 37686
    55 Bayou City Research, Ltd. Houston Texas United States 77007
    56 Alamo Superior Research San Antonio Texas United States 78229
    57 University Of Virginia Health System Charlottesville Virginia United States 22903
    58 Windwood Centre Virginia Beach Virginia United States 23452
    59 Pacific Institute Of Medical Sciences Bothell Washington United States 98011
    60 Summit Research Network (Seattle) Llc Seattle Washington United States 98104
    61 Health Research Center Morgantown West Virginia United States 26506
    62 Aurora Health Care Milwaukee Wisconsin United States 53233
    63 Local Institution Cabo Rojo Puerto Rico 00623
    64 Local Institution Ponce Puerto Rico 00731
    65 Local Institution Rio Piedras Puerto Rico 00926
    66 Local Institution San Juan Puerto Rico 00918

    Sponsors and Collaborators

    • Otsuka Pharmaceutical Development & Commercialization, Inc.
    • Otsuka America Pharmaceutical

    Investigators

    • Study Director: Bristol-Myers Squibb, Bristol-Myers Squibb

    Study Documents (Full-Text)

    None provided.

    More Information

    Publications

    None provided.
    Responsible Party:
    , ,
    ClinicalTrials.gov Identifier:
    NCT00277212
    Other Study ID Numbers:
    • CN138-392 ST
    First Posted:
    Jan 16, 2006
    Last Update Posted:
    Dec 2, 2013
    Last Verified:
    Nov 1, 2010

    Study Results

    Participant Flow

    Recruitment Details
    Pre-assignment Detail A total of 1169 patients were enrolled in the study; 382 participants were considered baseline failures and did not enter Phase 1.
    Arm/Group Title Phase 1: Single-Blind Treatment, Lamotrigine + Aripiprazole Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 1 (all subjects) - up to 24 weeks Lamotrigine 100-200 mg/day, Placebo 0 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks.
    Period Title: Phase 1 - Single-Blind Treatment
    STARTED 787 0 0
    Phase 1 Safety Sample 787 0 0
    Phase 1 Efficacy Sample 756 0 0
    COMPLETED 352 0 0
    NOT COMPLETED 435 0 0
    Period Title: Phase 1 - Single-Blind Treatment
    STARTED 0 173 178
    Phase 2 Safety Sample 0 165 176
    Phase 2 Efficacy Sample 0 164 174
    COMPLETED 0 53 65
    NOT COMPLETED 0 120 113

    Baseline Characteristics

    Arm/Group Title Phase 1: Single-Blind Treatment, Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 1 (all subjects) - up to 24 weeks
    Overall Participants 796
    Age (years) [Mean (Standard Deviation) ]
    Mean (Standard Deviation) [years]
    38.1
    (12.0)
    Sex: Female, Male (Count of Participants)
    Female
    505
    63.4%
    Male
    291
    36.6%
    Race/Ethnicity, Customized (participants) [Number]
    White
    693
    87.1%
    Black/African American
    88
    11.1%
    Asian
    10
    1.3%
    American Indian/Alaska Native
    2
    0.3%
    Native Hawaiian/Other Pacific Islander
    1
    0.1%
    Other
    2
    0.3%
    Race/Ethnicity, Customized (participants) [Number]
    Hispanic or Latino
    93
    11.7%
    Not Hispanic or Latino
    703
    88.3%
    Body Mass Index (BMI) (kg/m^2) [Mean (Standard Deviation) ]
    Mean (Standard Deviation) [kg/m^2]
    29.7
    (7.6)
    Weight (kg) [Mean (Standard Deviation) ]
    Mean (Standard Deviation) [kg]
    84.7
    (22.7)
    BMI Category (participants) [Number]
    18.5 <= BMI <25
    221
    27.8%
    25 <= BMI <30
    215
    27%
    BMI <18.5
    12
    1.5%
    BMI >=30
    321
    40.3%
    Missing
    27
    3.4%

    Outcome Measures

    1. Primary Outcome
    Title Proportion of Participants Not Experiencing Relapse Through Week 52 in the Double-Blind Relapse Assessment Phase (Phase 2)
    Description Time from randomization to relapse to a manic or mixed episode in the Double-Blind Relapse Assessment Phase as measured by the Proportion of Participants without Relapse Through Week 52 (Kaplan-Meier's estimated survival rate).
    Time Frame Weeks 0, 2, 4, 6, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52

    Outcome Measure Data

    Analysis Population Description
    Randomized Participants (comprises all patients who are randomized in Phase 2). n= number of randomized participants evaluated at given time point.
    Arm/Group Title Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Placebo 0 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks.
    Measure Participants 173 178
    Week 0 (n=173, n=178)
    1.00
    0.1%
    1.00
    NaN
    Week 2 (n=162, n=172)
    0.98
    0.1%
    0.98
    NaN
    Week 4 (n=154, n=159)
    0.97
    0.1%
    0.96
    NaN
    Week 6 (n=142, n=147)
    0.95
    0.1%
    0.93
    NaN
    Week 8 (n=135, n=135)
    0.93
    0.1%
    0.90
    NaN
    Week 12 (n=121, n=127)
    0.89
    0.1%
    0.90
    NaN
    Week 16 (n=101, n=127)
    0.88
    0.1%
    0.90
    NaN
    Week 20 (n=94, n=127)
    0.88
    0.1%
    0.90
    NaN
    Week 24 (n=86, n=127)
    0.84
    0.1%
    0.90
    NaN
    Week 28 (n=79, n=127)
    0.81
    0.1%
    0.90
    NaN
    Week 32 (n=69, n=83)
    0.78
    0.1%
    0.89
    NaN
    Week 36 (n=67, n=83)
    0.78
    0.1%
    0.89
    NaN
    Week 40 (n=62, n=83)
    0.77
    0.1%
    0.89
    NaN
    Week 44 (n=62, n=83)
    0.77
    0.1%
    0.89
    NaN
    Week 48 (n=62, n=83)
    0.77
    0.1%
    0.89
    NaN
    Week 52 (n=62, n=83)
    0.77
    0.1%
    0.89
    NaN
    Statistical Analysis 1
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.058
    Comments stratified Log-Rank test, controlling for type of index mood episode
    Method Log Rank
    Comments
    Method of Estimation Estimation Parameter Cox Proportional Hazard
    Estimated Value 0.552
    Confidence Interval (2-Sided) 95%
    0.296 to 1.030
    Parameter Dispersion Type:
    Value:
    Estimation Comments Cox's proportional hazards model, with type of index modd episode as stratification factor, and randomized treatment group as covariate.
    2. Secondary Outcome
    Title Proportion of Participants Not Experiencing Relapse (Manic, Mixed, Depressive) in the Double-blind Relapse Assessment Phase Phase 2
    Description Proportion of Participants without Relapse Through Week 52 (Kaplan-Meier's estimated survival rate).
    Time Frame Weeks 0, 2, 4, 6, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52

    Outcome Measure Data

    Analysis Population Description
    Randomized Participants (comprises all patients who are randomized in Phase 2). n= number of randomized participants evaluated at given time point.
    Arm/Group Title Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Placebo 0 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks.
    Measure Participants 173 178
    Week 0 (n=173, n=178)
    1.00
    0.1%
    1.00
    NaN
    Week 2 (n=163, n=175)
    0.96
    0.1%
    0.95
    NaN
    Week 4 (n=154, n=160)
    0.91
    0.1%
    0.91
    NaN
    Week 6 (n=145, n=149)
    0.87
    0.1%
    0.88
    NaN
    Week 8 (n=135, n=136)
    0.83
    0.1%
    0.84
    NaN
    Week 12 (n=121, n=123)
    0.76
    0.1%
    0.82
    NaN
    Week 16 (n=102, n=113)
    0.75
    0.1%
    0.80
    NaN
    Week 20 (n=94, n=111)
    0.74
    0.1%
    0.80
    NaN
    Week 24 (n=91, n=95)
    0.69
    0.1%
    0.78
    NaN
    Week 28 (n=78, n=85)
    0.65
    0.1%
    0.77
    NaN
    Week 32 (n=69, n=83)
    0.62
    0.1%
    0.75
    NaN
    Week 36 (n=67, n=76)
    0.62
    0.1%
    0.74
    NaN
    Week 40 (n=62, n=70)
    0.61
    0.1%
    0.73
    NaN
    Week 44 (n=62, n=70)
    0.61
    0.1%
    0.73
    NaN
    Week 48 (n=62, n=70)
    0.61
    0.1%
    0.73
    NaN
    Week 52 (n=19, n=70)
    0.58
    0.1%
    0.73
    NaN
    Statistical Analysis 1
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.055
    Comments p-value for equality of survival curves
    Method Log Rank
    Comments stratified log-rank test, controlling for type of index mood episode
    Method of Estimation Estimation Parameter Hazard Ratio (HR)
    Estimated Value 0.671
    Confidence Interval (2-Sided) 95%
    0.446 to 1.011
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole/placebo; Cox's proportional hazards model, with type of index mood episode as stratification facto, and randomized treatment group as covariate.
    3. Secondary Outcome
    Title Proportion of Participants Not Experiencing a Depressive Relapse in the Double-blind Relapse Assessment Phase (Phase 2)
    Description Proportion of Participants without Relapse Through Week 52 (Kaplan-Meier's estimated survival rate).
    Time Frame Weeks 0, 2, 4, 6, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52

    Outcome Measure Data

    Analysis Population Description
    Randomized Participants (comprises all patients who are randomized in Phase 2). n= number of randomized participants evaluated at given time point.
    Arm/Group Title Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Placebo 0 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks.
    Measure Participants 173 178
    Week 0 (n=173, n=178)
    1.00
    0.1%
    1.00
    NaN
    Week 2 (n=163, n=175)
    0.98
    0.1%
    0.98
    NaN
    Week 4 (n=151, n=160)
    0.94
    0.1%
    0.95
    NaN
    Week 6 (n=145, n=149)
    0.91
    0.1%
    0.94
    NaN
    Week 8 (n=132, n=136)
    0.89
    0.1%
    0.93
    NaN
    Week 12 (n=119, n=123)
    0.85
    0.1%
    0.90
    NaN
    Week 16 (n=102, n=113)
    0.84
    0.1%
    0.89
    NaN
    Week 20 (n=102, n=111)
    0.84
    0.1%
    0.89
    NaN
    Week 24 (n=91, n=95)
    0.82
    0.1%
    0.87
    NaN
    Week 28 (n=79, n=85)
    0.79
    0.1%
    0.85
    NaN
    Week 32 (n=74, n=82)
    0.79
    0.1%
    0.84
    NaN
    Week 36 (n=74, n=76)
    0.79
    0.1%
    0.83
    NaN
    Week 40 (n=74, n=70)
    0.79
    0.1%
    0.82
    NaN
    Week 44 (n=74, n=70)
    0.79
    0.1%
    0.82
    NaN
    Week 48 (n=74, n=70)
    0.79
    0.1%
    0.82
    NaN
    Week 52 (n=19, n=70)
    0.76
    0.1%
    0.82
    NaN
    Statistical Analysis 1
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.381
    Comments p-value for equality of survival curves
    Method Log Rank
    Comments stratified log-rank test, conrolling for type of index mood episode
    Method of Estimation Estimation Parameter Hazard Ratio (HR)
    Estimated Value 0.784
    Confidence Interval (2-Sided) 95%
    0.454 to 1.354
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole/placebo; Cox's proportional hazards model, with type of index mood episode as stratification facto, and randomized treatment group as covariate.
    4. Secondary Outcome
    Title Proportion of Participants Without Discontinuation for Any Reason in the Double-blind Relapse Assessment Phase (Phase 2)
    Description Proportion of Participants without Discontinuation Through Week 52(Kaplan-Meier's estimated survival rate).
    Time Frame Weeks 0, 2, 4, 6, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52

    Outcome Measure Data

    Analysis Population Description
    Randomized Participants (comprises all patients who are randomized in Phase 2). n= number of randomized participants evaluated at given time point.
    Arm/Group Title Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Placebo 0 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks.
    Measure Participants 173 178
    Week 0 (n=173, n=178)
    0.95
    0.1%
    0.99
    NaN
    Week 2 (n=164, n=175)
    0.90
    0.1%
    0.91
    NaN
    Week 4 (n=155, n=161)
    0.84
    0.1%
    0.84
    NaN
    Week 6 (n=145, n=149)
    0.79
    0.1%
    0.78
    NaN
    Week 8 (n=135, n=138)
    0.71
    0.1%
    0.70
    NaN
    Week 12 (n=122, n=124)
    0.61
    0.1%
    0.65
    NaN
    Week 16 (n=103, n=115)
    0.55
    0.1%
    0.62
    NaN
    Week 20 (n=95, n=110)
    0.53
    0.1%
    0.59
    NaN
    Week 24 (n=90, n=104)
    0.46
    0.1%
    0.51
    NaN
    Week 28 (n=78, n=89)
    0.41
    0.1%
    0.47
    NaN
    Week 32 (n=70, n=83)
    0.38
    0%
    0.44
    NaN
    Week 36 (n=64, n=77)
    0.36
    0%
    0.41
    NaN
    Week 40 (n=61, n=72)
    0.34
    0%
    0.39
    NaN
    Week 44 (n=57, n=69)
    0.33
    0%
    0.38
    NaN
    Week 48 (n=56, n=66)
    0.32
    0%
    0.37
    NaN
    Week 52 (n=19, n=65)
    0.25
    0%
    0.37
    NaN
    Statistical Analysis 1
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.295
    Comments p-value for equality of survival curves
    Method Log Rank
    Comments stratified Log-Rank Test, controlling for type of index mood episode
    Method of Estimation Estimation Parameter Hazard Ratio (HR)
    Estimated Value 0.871
    Confidence Interval (2-Sided) 95%
    0.672 to 1.128
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole/placebo; Cox's proportional hazards model, with type of index mood episode as stratification facto, and randomized treatment group as covariate.
    5. Secondary Outcome
    Title Deaths, Treatment-Emergent Serious Adverse Events (SAEs), Adverse Events (AEs) Leading to Discontinuation of Study Medication, Treatment-Emergent AEs and Treatment-Emergent Extrapyramidal Syndrome (EPS)-Related AEs
    Description AE is defined as any new untoward medical occurrence or worsening of a pre-existing medical condition. SAE is any untoward medical occurrence that at any dose results in death, is life-threatening, requires inpatient hospitalization or causes prolongation of existing hospitalization, results in persistent or significant disability/incapacity, is a cancer, is a congenital anomaly/birth defect, results in the development of drug dependency or drug abuse, is an important medical event.
    Time Frame Throughout Phase 2 (up to 52 weeks)

    Outcome Measure Data

    Analysis Population Description
    The Phase 2 Safety Sample comprises all patients who are randomized into Phase 2 and take at least one dose of double-blind medication in Phase 2, as indicated on the study therapy form.
    Arm/Group Title Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Placebo 0 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks.
    Measure Participants 165 176
    Deaths
    0
    0%
    0
    NaN
    Treatment-Emergent SAEs
    9
    1.1%
    5
    NaN
    Suicide-Related SAEs
    0
    0%
    0
    NaN
    AEs Leading to Discontinuation of Study Medication
    12
    1.5%
    14
    NaN
    Treatment-Emergent AEs
    111
    13.9%
    124
    NaN
    Treatment-Emergent EPS-Related AEs
    15
    1.9%
    28
    NaN
    6. Secondary Outcome
    Title Adjusted Mean Change From Baseline in Body Weight, Phase 2
    Description Adjusted for index mood episode and baseline assessment
    Time Frame Baseline, Week 52

    Outcome Measure Data

    Analysis Population Description
    Participants from the phase 2 Safety Sample who had body weight evaluation at baseline and week 52 LOCF.
    Arm/Group Title Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Placebo 0 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks.
    Measure Participants 143 151
    Mean (Standard Error) [kg]
    -1.81
    (0.48)
    0.43
    (0.47)
    Statistical Analysis 1
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Week 52 LOCF
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.001
    Comments ANOVA (main effects=double-blind treatment, covariate=index mood episode) used for baseline comparisons. ANCOVA (main effects=double-blind treatment, covariates=index mood episode & baseline assessment) used for mean change from baseline comparisons
    Method ANCOVA
    Comments
    Method of Estimation Estimation Parameter Treatement Difference
    Estimated Value 2.24
    Confidence Interval (2-Sided) 95%
    0.91 to 3.57
    Parameter Dispersion Type:
    Value:
    Estimation Comments Aripiprazole vs. placebo
    7. Secondary Outcome
    Title Number of Participants Showing Clinically Relevant Weight Loss by Study Week
    Description Weight Loss of at least a 7% decrease from Baseline.
    Time Frame Weeks 12, 24, 36, 52

    Outcome Measure Data

    Analysis Population Description
    Observed cases (OC) data set (actual observation at each visit), Last observation carried forward (LOCF) data set (data recorded at a given visit or, if no observation is recorded at that visit, data carried forward from the previous visit), and Overall, Phase 2 Safety Sample; n=number assessed at given time point.
    Arm/Group Title Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Placebo 0 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks.
    Measure Participants 165 176
    Week 12 (n=105, 107)
    7
    0.9%
    9
    NaN
    Week 24 (n=84, 87)
    8
    1%
    9
    NaN
    Week 36 (n=54, 67)
    10
    1.3%
    6
    NaN
    Week 52 (n=49, 56)
    10
    1.3%
    6
    NaN
    Week 52 LOCF (n=143, 151)
    22
    2.8%
    13
    NaN
    At Any Time (n=147, 154)
    26
    3.3%
    19
    NaN
    Statistical Analysis 1
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Week 52 LOCF
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.073
    Comments
    Method Cochran-Mantel-Haenszel
    Comments
    Method of Estimation Estimation Parameter Risk Ratio (RR)
    Estimated Value 0.56
    Confidence Interval (2-Sided) 95%
    0.29 to 1.07
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole/placebo
    Statistical Analysis 2
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments At Any Time
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.194
    Comments
    Method Cochran-Mantel-Haenszel
    Comments
    8. Secondary Outcome
    Title Number of Participants Showing Clinically Relevant Weight Gain by Study Week
    Description Weight gain of at least a 7% increase from Baseline.
    Time Frame Weeks 12, 24, 36, 52

    Outcome Measure Data

    Analysis Population Description
    Observed cases (OC) data set (actual observation at each visit), Last observation carried forward (LOCF) data set (data recorded at a given visit or, if no observation is recorded at that visit, data carried forward from the previous visit), and Overall, Phase 2 Safety Sample; n=number assessed at given time point.
    Arm/Group Title Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Placebo 0 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks.
    Measure Participants 165 176
    Week 12 (n=105, 107)
    2
    0.3%
    4
    NaN
    Week 24 (n=84, 87)
    3
    0.4%
    10
    NaN
    Week 36 (n=54, 67)
    5
    0.6%
    14
    NaN
    Week 52 (n=49, 56)
    2
    0.3%
    7
    NaN
    Week 52 LOCF (n=143, 151)
    5
    0.6%
    18
    NaN
    At Any Time (n=147, 154)
    8
    1%
    27
    NaN
    Statistical Analysis 1
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Week 52 LOCF
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.007
    Comments
    Method Cochran-Mantel-Haenszel
    Comments
    Method of Estimation Estimation Parameter relative risk
    Estimated Value 3.41
    Confidence Interval (2-Sided) 95%
    1.30 to 8.94
    Parameter Dispersion Type:
    Value:
    Estimation Comments
    Statistical Analysis 2
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.001
    Comments
    Method Cochran-Mantel-Haenszel
    Comments
    9. Secondary Outcome
    Title Adjusted Mean Change From Baseline in BMI by Study Week
    Description Adjusted for index mood episode and baseline assessment.
    Time Frame Baseline, Weeks 12, 24, 36, 52

    Outcome Measure Data

    Analysis Population Description
    Observed cases (OC) data set (actual observation at each visit), Last observation carried forward (LOCF) data set (data recorded at a given visit or, if no observation is recorded at that visit, data carried forward from the previous visit), and Overall, Phase 2 Safety Sample; n=number assessed at given time point.
    Arm/Group Title Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Placebo 0 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks.
    Measure Participants 165 176
    Baseline (n=143, 150)
    30.77
    (0.63)
    30.13
    (0.61)
    Change from Baseline Week 12 (n=105, 107)
    -0.39
    (0.15)
    -0.03
    (0.15)
    Change from Baseline Week 24 (n=84, 87)
    -0.60
    (0.20)
    0.14
    (0.20)
    Change from Baseline Week 36 (n=54, 67)
    -0.63
    (0.33)
    0.34
    (0.30)
    Change from Baseline Week 52 (n=49, 56)
    -0.73
    (0.37)
    0.19
    (0.34)
    Change from Baseline Week 52 LOCF (n=143, 150)
    -0.62
    (0.17)
    0.17
    (0.17)
    Highest Change from Baseline (n=143, 150)
    -0.02
    (0.15)
    0.61
    (0.14)
    Statistical Analysis 1
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Baseline
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.467
    Comments Means, treatment differences between aripiprazole and placebo, 95% confidence intervals for the differences and the p-values for treatment comparisons are based on ANOVA/ANCOVA model.
    Method ANCOVA
    Comments ANCOVA model, with double-blind treatment as main effects and index mood episode as covariate, is used for Baseline comparisons.
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value -0.64
    Confidence Interval (2-Sided) 95%
    -2.37 to 1.09
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 2
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from Baseline at Week 12
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value
    Comments
    Method
    Comments
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.36
    Confidence Interval (2-Sided) 95%
    -0.06 to 0.78
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 3
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from baseline at Week 24
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value
    Comments
    Method
    Comments
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.75
    Confidence Interval (2-Sided) 95%
    0.19 to 1.30
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 4
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from baseline at Week 36
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value
    Comments
    Method
    Comments
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.97
    Confidence Interval (2-Sided) 95%
    0.08 to 1.86
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 5
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from baseline at Week 52
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value
    Comments
    Method
    Comments
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.92
    Confidence Interval (2-Sided) 95%
    -0.08 to 1.92
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 6
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from baseline at Week 52 (LOCF)
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.001
    Comments Means, treatment differences between aripiprazole and placebo, 95% confidence intervals for the differences and the p-values for treatment comparisons are based on ANOVA/ANCOVA model.
    Method ANCOVA
    Comments ANCOVA (main effects=double-blind treatment, covariates=index mood episode & baseline assessment) used for mean change from baseline comparisons.
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.79
    Confidence Interval (2-Sided) 95%
    0.31 to 1.26
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 7
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Highest Change from baseline
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.002
    Comments Means, treatment differences between aripiprazole and placebo, 95% confidence intervals for the differences and the p-values for treatment comparisons are based on ANOVA/ANCOVA model.
    Method ANCOVA
    Comments ANCOVA (main effects=double-blind treatment, covariates=index mood episode & baseline assessment) used for mean change from baseline comparisons.
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.63
    Confidence Interval (2-Sided) 95%
    0.23 to 1.04
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    10. Secondary Outcome
    Title Number of Participants With Potentially Clinically Significant Electrocardiogram (ECG) Abnormalities Occurring During Double-Blind Treatment
    Description Abbreviations and further description used in table: Sinus tachycardia, ≥120 beats per minute (bpm) and ↑ ≥15 bpm & no current diagnosis of supraventricular or ventricular tachycardia/atrial fibrillation (AF)/atrial flutter/ other rhythm abnormality. Sinus bradycardia, ≤ 50 bpm and ↓ 15 bpm & no current diagnosis of AF/atrial flutter/other rhythm abnormality. Supraventricular premature beat (SPB), Ventricular premature beat (VPB), Atroventricular (A-V). Other intraventricular block, QRS ≥0.12 sec and ↑ ≥0.02 sec & no current diagnosis of left or right bundle branch block.
    Time Frame Throughout the study, up to Week 52

    Outcome Measure Data

    Analysis Population Description
    Participants with ECG evaluation from the phase 2 Safety Sample (all patients who are randomized into Phase 2 and take at least one dose of double-blind medication in Phase 2, as indicated on the study therapy form.)
    Arm/Group Title Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Placebo 0 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks.
    Measure Participants 124 132
    Tachycardia: ≥ 120 bpm and ↑ ≥ 15 bpm
    1
    1
    Bradycardia: ≤ 50 bpm and ↓ 15 bpm
    2
    0
    Sinus Tachycardia: ≥ 120 bpm and ↑ ≥ 15 bpm
    1
    0
    Sinus Bradycardia: ≤ 50 bpm and ↓ 15 bpm
    2
    0
    SPB: not present → present (see description)
    0
    0
    VPB: not present → present (see description)
    2
    1
    Supraventricular Tachycardia: not present→ present
    0
    0
    Ventricular Tachycardia: not present → present
    0
    0
    Atrial Fibrillation (AF): not present → present
    0
    0
    AF With Rapid Ventricular Response
    0
    0
    Atrial Flutter: not present → present
    0
    1
    1st Degree A-V Block: PR ≥0.20 sec and ↑ ≥0.05 sec
    0
    0
    2nd Degree A-V Block: not present → present
    0
    0
    3rd Degree A-V Block: not present → present
    0
    0
    Left Bundle Branch Block: not present → present
    0
    0
    Right Bundle Branch Block: not present → present
    6
    4
    Pre-excitation Syndrome: not present → present
    0
    0
    Other Intraventricular Conduction: see description
    0
    0
    Acute Infarction: not present → present
    0
    0
    Subacute (recent) Infarction: not present→ present
    0
    0
    Old Infarction: not present → present
    1
    0
    Myocardial Ischemia: not present → present
    0
    0
    Symmetrical T-Wave Inversions: not present→present
    0
    0
    QTc Bazett: > 450 msec
    5
    6
    QTc (.37): > 450 msec
    0
    0
    QTc (.33): > 450 msec
    0
    1
    11. Secondary Outcome
    Title Number of Participants With Potentially Clinically Relevant Vital Sign Abnormalities Occurring During Double-Blind Treatment
    Description In order to be identified as clinically relevant abnormal, an on-drug value must meet the Criterion Value (CV) and also represent a change from the patient's pretreatment value of at least the Change Relative to Baseline (CRB) magnitude. Heart Rate CV: 120 beats per minute (bpm), CRB: increase of ≥15 / CV: 50 bpm, CRB: decrease of ≥15. Systolic BP CV: 180 mmHg, CRB: increase of ≥20 / CV: 90 mmHg, CRB: decrease of ≥20. Diastolic BP CV: 105 mmHg, CRB: increase of ≥15 / CV: 50 mmHg, CRB: decrease of ≥15.
    Time Frame Up to 52 Weeks

    Outcome Measure Data

    Analysis Population Description
    Phase 2 Safety Sample (all patients who are randomized into Phase 2 and take at least one dose of double-blind medication in Phase 2, as indicated on the study therapy form).
    Arm/Group Title Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Placebo 0 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks.
    Measure Participants 165 176
    Systolic BP, supine-Increase (n=160,168)
    3
    0.4%
    1
    NaN
    Systolic BP, supine-Decrease (n=160,168)
    7
    0.9%
    5
    NaN
    Systolic BP, standing-Increase (n=153, 157)
    3
    0.4%
    0
    NaN
    Systolic BP, standing-Decrease (n=153,157)
    2
    0.3%
    4
    NaN
    Diastolic BP, supine-Increase (n=160,168)
    2
    0.3%
    0
    NaN
    Diastolic BP, supine-Decrease (n=160,168)
    0
    0%
    3
    NaN
    Diastolic BP, standing-Increase (n=153,157)
    6
    0.8%
    1
    NaN
    Diastolic BP, standing-Decrease (n=153,157)
    0
    0%
    1
    NaN
    Heart Rate, supine-Increase (n=160,168)
    0
    0%
    0
    NaN
    Heart Rate, supine-Decrease (n=160,168)
    3
    0.4%
    0
    NaN
    Heart Rate, standing-Increase (n=153, 157)
    4
    0.5%
    2
    NaN
    Heart Rate, standing-Decrease (n=153, 157)
    1
    0.1%
    0
    NaN
    12. Secondary Outcome
    Title Number of Participants With Potentially Clinically Relevant Laboratory Abnormalities Occurring During Double-Blind Treatment (Phase 2)
    Description Chemistry, hematology, and urinalysis abnormalities.Abbreviations used: alanine aminotransferase (ALT), institutional upper limit of normal (ULN), aspartate aminotransferase (AST), alkaline phosphatase (ALP), lactate dehydrogenase (LDH), high density lipoprotein cholesterol (HDL-C), low density lipoprotein cholesterol (LDL-C), baseline (BL)
    Time Frame Throughout Phase 2 of the study, up to Week 52

    Outcome Measure Data

    Analysis Population Description
    Phase 2 safety sample
    Arm/Group Title Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Placebo 0 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks.
    Measure Participants 165 176
    ALT ≥3 x ULN (n=151,157)
    3
    0
    AST ≥3 x ULN (n=151, 157)
    2
    1
    ALP ≥3 x ULN (n=151, 157)
    0
    0
    LDH ≥3 x ULN (n=151, 158)
    0
    0
    BUN ≥30 mg/dL (n=151, 158)
    0
    2
    Creatine kinase (n=3, 1)
    0
    0
    Creatinine ≥2.0 mg/dL (n=151, 157)
    0
    0
    Uric acid (n=151, 157)
    0
    2
    Bilirubin (total) ≥ 2.0 mg/dL (n=152, 157)
    0
    0
    Prolactin (n=152, 158)
    32
    18
    Cholesterol Total (n=151, 157)
    22
    28
    Cholesterol Total (fasting) (n=126, 124)
    17
    25
    Cholesterol Total (non-fasting) (n=68, 75)
    9
    7
    Glucose Fasting Serum (n=126, 125)
    15
    13
    HDL-C (n=151, 158)
    53
    38
    HDL-C (fasting) (n=126, 125)
    44
    25
    HDL-C (non-fasting) (n=68, 75)
    23
    19
    LDL-C (n=151, 157)
    17
    26
    LDL-C (fasting) (n=126, 124)
    14
    22
    LDL-C (non-fasting) (n=68, 75)
    7
    5
    Triglycerides (n=151, 157)
    0
    0
    Triglycerides (fasting) (n=126, 124)
    26
    29
    Triglycerides (non-fasting) (n=68, 75)
    19
    20
    Sodium serum (n=152, 158)
    1
    0
    Potassium serum (n=152, 158)
    0
    0
    Chloride serum (n=152, 158)
    0
    0
    Calcium (n=151, 157)
    0
    0
    Hemoglobin ≤11.5 g/dL(m)/≤9.5 g/dL(f) (n=152, 156)
    1
    0
    Hematocrit ≤37(m)/≤32(f) & 3 ↓from BL (n=152,156)
    1
    3
    Leukocytes ≤2800 mm^3 or ≥16000 mm^3 (n=152, 156)
    0
    2
    Eosinophils relative (calculated)≥10% (n=152, 156)
    2
    2
    Neutrophils relative (calculated)≤15% (n=152, 156)
    0
    0
    Platelets ≤75,000 mm3 or ≥700,000 mm3 (n=152,155)
    0
    0
    Protein urine increase of ≥2 units (n=145, 152)
    0
    0
    Glucose urine (n=149, 155)
    0
    0
    13. Secondary Outcome
    Title Summary of Concomitant Medications, Phase 1
    Description
    Time Frame Phase 1 (9 to 24 Week Single-blind Stabilization Phase)

    Outcome Measure Data

    Analysis Population Description
    Phase 1 Safety Sample (all patients who take at least one dose of singleblind aripiprazole in Phase 1, as indicated on the study therapy form).
    Arm/Group Title Phase 1: Single-Blind Treatment, Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 1 (all subjects) - up to 24 weeks
    Measure Participants 787
    Any central nervous system Medication
    550
    69.1%
    Analgesic
    2
    0.3%
    Anesthetic, general
    1
    0.1%
    Anesthetic, local
    3
    0.4%
    Anticholinergic
    98
    12.3%
    Antidepressant
    12
    1.5%
    Antiepileptic
    48
    6%
    Antimigraine prep
    12
    1.5%
    Antipsychotic
    20
    2.5%
    Anxiolytic
    267
    33.5%
    Hypnotic & Sedative
    206
    25.9%
    Opiod
    78
    9.8%
    Other Analgesic & Antipyretic
    253
    31.8%
    Other Nervous System Drug
    1
    0.1%
    Psychostimulant
    2
    0.3%
    Any extrapyramidal syndrome Medication
    98
    12.3%
    Benztropine
    98
    12.3%
    14. Secondary Outcome
    Title Summary of Concomitant Medications, Phase 2
    Description
    Time Frame Phase 2 (52 Week Double-blind Relapse Assessment Phase)

    Outcome Measure Data

    Analysis Population Description
    Phase 2 Safety Sample (all patients who are randomized into Phase 2 and take at least one dose of double-blind medication in Phase 2, as indicated on the study therapy form).
    Arm/Group Title Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Placebo 0 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks.
    Measure Participants 165 176
    Any central nervous system Medication
    120
    15.1%
    132
    NaN
    Anesthetic, local
    1
    0.1%
    0
    NaN
    Anticholinergic
    21
    2.6%
    25
    NaN
    Antidepressant
    3
    0.4%
    1
    NaN
    Antiepileptic
    8
    1%
    11
    NaN
    Antimigraine prep
    1
    0.1%
    3
    NaN
    Antipsychotic
    5
    0.6%
    3
    NaN
    Anxiolytic
    63
    7.9%
    62
    NaN
    Hypnotic & Sedative
    50
    6.3%
    41
    NaN
    Opiod
    20
    2.5%
    14
    NaN
    Other Analgesic & Antipyretic
    53
    6.7%
    66
    NaN
    Psychostimulant
    0
    0%
    1
    NaN
    Any extrapyramidal syndrome Medication
    25
    3.1%
    35
    NaN
    Benztropine
    25
    3.1%
    35
    NaN
    Trihexyphenidyl
    1
    0.1%
    1
    NaN
    15. Secondary Outcome
    Title Adjusted Mean Change From Baseline in Simpson-Angus Scale (SAS) Total Score
    Description The SAS is a 10-item instrument used to evaluate the presence and severity of parkinsonian symptomatology. The ten items focus on rigidity rather than bradykinesia, and do not assess subjective rigidity or slowness. Items are rated for severity on a 0-4 scale, with definitions given for each anchor point. The total SAS Score has a possible range from 10 to 50. Negative change scores indicate improvement.
    Time Frame Baseline, Weeks 8, 24, 36, 52

    Outcome Measure Data

    Analysis Population Description
    Observed cases (OC) data set (actual observation at each visit), Last observation carried forward (LOCF) data set (data recorded at a given visit or, if no observation is recorded at that visit, data carried forward from the previous visit). n=number of participants analyzed at timepoint.
    Arm/Group Title Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Placebo 0 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks.
    Measure Participants 165 176
    Baseline (n=125, 128)
    10.59
    (0.12)
    10.58
    (0.12)
    Change from Baseline at Week 8 (n=125, 124)
    -0.20
    (0.10)
    0.05
    (0.10)
    Change from Baseline at Week 24 (n=85, 89)
    -0.21
    (0.13)
    0.03
    (0.13)
    Change from Baseline at Week 36 (n=54, 67)
    -0.38
    (0.11)
    -0.14
    (0.10)
    Change from Baseline at Week 52 (n=50, 56)
    -0.35
    (0.13)
    -0.05
    (0.12)
    Change from Baseline at Week 52 LOCF (n=152, 161)
    -0.22
    (0.10)
    0.02
    (0.10)
    Highest Change from Baseline (n=152, 161)
    0.03
    (0.12)
    0.34
    (0.11)
    Statistical Analysis 1
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Baseline
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.971
    Comments Means, treatment differences between aripiprazole and placebo, 95% confidence intervals for the differences and the p-values for treatment comparisons are based on ANOVA/ANCOVA model.
    Method ANOVA
    Comments ANOVA model, with double-blind treatment as main effects, is used for Baseline comparisons.
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value -0.01
    Confidence Interval (2-Sided) 95%
    -0.35 to 0.34
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 2
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from baseline at Week 8
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value
    Comments
    Method
    Comments
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.24
    Confidence Interval (2-Sided) 95%
    -0.03 to 0.51
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 3
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from baseline at Week 24
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value
    Comments
    Method
    Comments
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.24
    Confidence Interval (2-Sided) 95%
    -0.13 to 0.60
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 4
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from Baseline at Week 36
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value
    Comments
    Method
    Comments
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.25
    Confidence Interval (2-Sided) 95%
    -0.06 to 0.55
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 5
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from baseline at Week 52
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value
    Comments
    Method
    Comments
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.29
    Confidence Interval (2-Sided) 95%
    -0.06 to 0.65
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 6
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from Baseline at Week 52 (LOCF)
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.095
    Comments Means, treatment differences between aripiprazole and placebo, 95% confidence intervals for the differences and the p-values for treatment comparisons are based on ANOVA/ANCOVA model.
    Method ANCOVA
    Comments ANCOVA (main effects=double-blind treatment, covariate=baseline assessment) used for mean change from baseline comparisons.
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.24
    Confidence Interval (2-Sided) 95%
    -0.04 to 0.52
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 7
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Highest change from Baseline
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.061
    Comments Means, treatment differences between aripiprazole and placebo, 95% confidence intervals for the differences and the p-values for treatment comparisons are based on ANOVA/ANCOVA model.
    Method ANCOVA
    Comments ANCOVA (main effects=double-blind treatment, covariate=baseline assessment) used for mean change from baseline comparisons.
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.31
    Confidence Interval (2-Sided) 95%
    -0.01 to 0.63
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripirazole - placebo
    16. Secondary Outcome
    Title Adjusted Mean Change From Baseline in Abnormal Involuntary Movement Scale (AIMS) Total Score
    Description The AIMS is an assessment of movement dysfunctions. It is a 12-item instrument assessing abnormal involuntary movements associated with antipsychotic drugs and 'spontaneous' motor disturbance related to the illness itself. Scoring the AIMS consists of rating the severity of movement in 3 main anatomic areas (facial/oral, extremities, and trunk), based on a five-point scale (0=none, 4=severe). The AIMS Total Score has a possible range from 0 to 28. Negative change scores indicate improvement in movement dysfunction.
    Time Frame Baseline, Weeks 8, 24, 36, 52

    Outcome Measure Data

    Analysis Population Description
    Observed cases (OC) data set (actual observation at each visit), Last observation carried forward (LOCF) data set (data recorded at a given visit or, if no observation is recorded at that visit, data carried forward from the previous visit). n=number of participants analyzed at timepoint.
    Arm/Group Title Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Placebo 0 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks.
    Measure Participants 165 176
    Baseline (n=125, 128)
    0.21
    (0.07)
    0.14
    (0.07)
    Change from Baseline at Week 8 (n=124, 124)
    -0.05
    (0.05)
    0.06
    (0.06)
    Change from Baseline at Week 24 (n=85, 89)
    -0.01
    (0.06)
    0.04
    (0.05)
    Change from Baseline at Week 36 (n=54, 67)
    -0.09
    (0.08)
    0.13
    (0.07)
    Change from Baseline at Week 52 (n=50, 56)
    -0.11
    (0.04)
    -0.05
    (0.04)
    Change from Baseline at Week 52 LOCF (n=153, 161)
    0.05
    (0.06)
    -0.01
    (0.06)
    Highest Change from Baseline (n=153, 161)
    0.10
    (0.07)
    0.14
    (0.07)
    Statistical Analysis 1
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Baseline
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.458
    Comments Means, treatment differences between aripiprazole and placebo, 95% confidence intervals for the differences and the p-values for treatment comparisons are based on ANOVA/ANCOVA model.
    Method ANOVA
    Comments ANOVA model, controlling for treatment, is used for baseline estimates.
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value -0.07
    Confidence Interval () 95%
    -0.25 to 0.11
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 2
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from Baseline at Week 8
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value
    Comments
    Method
    Comments
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.11
    Confidence Interval (2-Sided) 95%
    -0.05 to 0.26
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 3
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from baseline at Week 24
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value
    Comments
    Method
    Comments
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.04
    Confidence Interval (2-Sided) 95%
    -0.11 to 0.20
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 4
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from Baseline at Week 36
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value
    Comments
    Method
    Comments
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.21
    Confidence Interval (2-Sided) 95%
    0.00 to 0.42
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 5
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from Baseline at week 52
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value
    Comments
    Method
    Comments
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.06
    Confidence Interval (2-Sided) 95%
    -0.05 to 0.16
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 6
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from baseline at Week 52 (LOCF)
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.515
    Comments Means, treatment differences between aripiprazole and placebo, 95% confidence intervals for the differences and the p-values for treatment comparisons are based on ANOVA/ANCOVA model.
    Method ANCOVA
    Comments ANCOVA (main effects=double-blind treatment, covariate=baseline assessment) used for mean change from baseline comparisons.
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value -0.05
    Confidence Interval (2-Sided) 95%
    -0.22 to 0.11
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 7
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Highest Change from Baseline
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.730
    Comments Means, treatment differences between aripiprazole and placebo, 95% confidence intervals for the differences and the p-values for treatment comparisons are based on ANOVA/ANCOVA model.
    Method ANCOVA
    Comments ANCOVA (main effects=double-blind treatment, covariate=baseline assessment) used for mean change from baseline comparisons.
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.03
    Confidence Interval (2-Sided) 95%
    -0.16 to 0.23
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    17. Secondary Outcome
    Title Adjusted Mean Change From Baseline in Barnes Akathisia Global Clinical Assessment,
    Description The Barnes Akathisia Rating Scale is a 4-item scale to assess presence and severity of drug-induced akathisia, including both objective items and subjective items, together with a global clinical assessment of akathisia. Global assessment is made on a scale of 0 to 5 with comprehensive definitions provided for each anchor point on scale: 0=absent; 1=questionable; 2=mild akathisia; 3=moderate akathisia; 4=marked akathisia; 5=severe akathisia. Score has a possible range from 0 (absent) to 5 (severe akathisia). Negative change scores indicate improvement in akathisia.
    Time Frame Baseline, Weeks 8, 24, 36, 52

    Outcome Measure Data

    Analysis Population Description
    Observed cases (OC) data set (actual observation at each visit), Last observation carried forward (LOCF) data set (data recorded at a given visit or, if no observation is recorded at that visit, data carried forward from the previous visit). n=number of participants analyzed at timepoint.
    Arm/Group Title Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Placebo 0 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks.
    Measure Participants 165 176
    Baseline (n=125, 128)
    0.22
    (0.05)
    0.27
    (0.05)
    Change from Baseline at Week 8 (n=125, 124)
    -0.12
    (0.05)
    0.04
    (0.05)
    Change from Baseline at Week 24 (n=85, 89)
    -0.09
    (0.05)
    -0.06
    (0.05)
    Change from Baseline at Week 36 (n=54, 67)
    -0.18
    (0.05)
    -0.18
    (0.04)
    Change from Baseline at Week 52 (n=50, 56)
    -0.20
    (0.04)
    -0.17
    (0.04)
    Change from Baseline at Week 52 LOCF (n=153, 161)
    -0.11
    (0.04)
    -0.05
    (0.04)
    Highest Change from Baseline (n=153, 161)
    -0.02
    (0.05)
    0.15
    (0.05)
    Statistical Analysis 1
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Baseline
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.435
    Comments Means, mean differences, 95% confidence intervals for the differences, and the p-values are based on ANOVA/ANCOVA model.
    Method ANOVA
    Comments ANOVA, controlling for treatment, used for baseline estimates.
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.06
    Confidence Interval (2-Sided) 95%
    -0.08 to 0.20
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 2
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from Baseline at Week 8
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value
    Comments
    Method
    Comments
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.17
    Confidence Interval (2-Sided) 95%
    0.04 to 0.30
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 3
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from Baseline at Week 24
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value
    Comments
    Method
    Comments
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.03
    Confidence Interval (2-Sided) 95%
    -0.11 to 0.17
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 4
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from baseline at Week 36
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value
    Comments
    Method
    Comments
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.00
    Confidence Interval (2-Sided) 95%
    -0.13 to 0.13
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 5
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from baseline at Week 52
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value
    Comments
    Method
    Comments
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.03
    Confidence Interval (2-Sided) 95%
    -0.08 to 0.14
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 6
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Change from Baseline at Week 52 (LOCF)
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.358
    Comments Means, treatment differences between aripiprazole and placebo, 95% confidence intervals for the differences and the p-values for treatment comparisons are based on ANOVA/ANCOVA model.
    Method ANCOVA
    Comments ANCOVA (main effects=double-blind treatment, covariate=baseline assessment) used for mean change from baseline comparisons.
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.05
    Confidence Interval (2-Sided) 95%
    -0.06 to 0.17
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo
    Statistical Analysis 7
    Statistical Analysis Overview Comparison Group Selection Phase 2 Double-Blind Treatment: Lamotrigine + Placebo, Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Comments Highest Change from Baseline
    Type of Statistical Test Superiority or Other
    Comments
    Statistical Test of Hypothesis p-Value 0.021
    Comments Means, treatment differences between aripiprazole and placebo, 95% confidence intervals for the differences and the p-values for treatment comparisons are based on ANOVA/ANCOVA model.
    Method ANCOVA
    Comments ANCOVA (main effects=double-blind treatment, covariate=baseline assessment) used for mean change from baseline comparisons.
    Method of Estimation Estimation Parameter Mean Difference (Final Values)
    Estimated Value 0.17
    Confidence Interval (2-Sided) 95%
    0.03 to 0.31
    Parameter Dispersion Type:
    Value:
    Estimation Comments aripiprazole - placebo

    Adverse Events

    Time Frame
    Adverse Event Reporting Description
    Arm/Group Title Phase 1: Single-Blind Treatment, Lamotrigine + Aripiprazole Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Arm/Group Description Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 1 (all subjects) - up to 24 weeks Lamotrigine 100-200 mg/day, Placebo 0 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks Lamotrigine 100-200 mg/day, Aripiprazole 10-30 mg/day: tablets, oral, once daily, Phase 2 - up to 52 weeks.
    All Cause Mortality
    Phase 1: Single-Blind Treatment, Lamotrigine + Aripiprazole Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Affected / at Risk (%) # Events Affected / at Risk (%) # Events Affected / at Risk (%) # Events
    Total / (NaN) / (NaN) / (NaN)
    Serious Adverse Events
    Phase 1: Single-Blind Treatment, Lamotrigine + Aripiprazole Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Affected / at Risk (%) # Events Affected / at Risk (%) # Events Affected / at Risk (%) # Events
    Total 32/787 (4.1%) 9/165 (5.5%) 5/176 (2.8%)
    Blood and lymphatic system disorders
    ANAEMIA 0/787 (0%) 1/165 (0.6%) 0/176 (0%)
    Cardiac disorders
    CARDIAC DISORDER 0/787 (0%) 0/165 (0%) 1/176 (0.6%)
    VENTRICULAR FIBRILLATION 0/787 (0%) 1/165 (0.6%) 0/176 (0%)
    WOLFF-PARKINSON-WHITE SYNDROME 0/787 (0%) 1/165 (0.6%) 0/176 (0%)
    Gastrointestinal disorders
    INGUINAL HERNIA 0/787 (0%) 1/165 (0.6%) 0/176 (0%)
    GASTRITIS EROSIVE 1/787 (0.1%) 0/165 (0%) 0/176 (0%)
    MALLORY-WEISS SYNDROME 1/787 (0.1%) 0/165 (0%) 0/176 (0%)
    General disorders
    CHEST PAIN 3/787 (0.4%) 2/165 (1.2%) 0/176 (0%)
    NON-CARDIAC CHEST PAIN 1/787 (0.1%) 0/165 (0%) 0/176 (0%)
    Injury, poisoning and procedural complications
    HEAD INJURY 1/787 (0.1%) 0/165 (0%) 0/176 (0%)
    INTENTIONAL OVERDOSE 0/787 (0%) 1/165 (0.6%) 0/176 (0%)
    ROAD TRAFFIC ACCIDENT 1/787 (0.1%) 0/165 (0%) 0/176 (0%)
    Metabolism and nutrition disorders
    OBESITY 0/787 (0%) 0/165 (0%) 1/176 (0.6%)
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    VULVAL CANCER 1/787 (0.1%) 0/165 (0%) 0/176 (0%)
    UTERINE LEIOMYOMA 1/787 (0.1%) 0/165 (0%) 0/176 (0%)
    Nervous system disorders
    AKATHISIA 1/787 (0.1%) 0/165 (0%) 0/176 (0%)
    DIZZINESS 0/787 (0%) 1/165 (0.6%) 0/176 (0%)
    ALTERED STATE OF CONSCIOUSNESS 1/787 (0.1%) 0/165 (0%) 0/176 (0%)
    Pregnancy, puerperium and perinatal conditions
    PREGNANCY 0/787 (0%) 1/165 (0.6%) 0/176 (0%)
    Psychiatric disorders
    MANIA 3/787 (0.4%) 0/165 (0%) 0/176 (0%)
    ANXIETY 1/787 (0.1%) 0/165 (0%) 0/176 (0%)
    AGITATION 1/787 (0.1%) 0/165 (0%) 0/176 (0%)
    DEPRESSION 3/787 (0.4%) 0/165 (0%) 1/176 (0.6%)
    PANIC ATTACK 1/787 (0.1%) 0/165 (0%) 0/176 (0%)
    BIPOLAR DISORDER 2/787 (0.3%) 0/165 (0%) 0/176 (0%)
    COMPLETED SUICIDE 1/787 (0.1%) 0/165 (0%) 0/176 (0%)
    SUICIDAL IDEATION 8/787 (1%) 0/165 (0%) 0/176 (0%)
    BIPOLAR I DISORDER 2/787 (0.3%) 2/165 (1.2%) 1/176 (0.6%)
    DEPRESSIVE SYMPTOM 2/787 (0.3%) 0/165 (0%) 0/176 (0%)
    HOMICIDAL IDEATION 2/787 (0.3%) 0/165 (0%) 0/176 (0%)
    MENTAL STATUS CHANGES 0/787 (0%) 0/165 (0%) 1/176 (0.6%)
    Renal and urinary disorders
    NEPHROLITHIASIS 0/787 (0%) 1/165 (0.6%) 0/176 (0%)
    Reproductive system and breast disorders
    MENSTRUAL DISORDER 1/787 (0.1%) 0/165 (0%) 0/176 (0%)
    OVARIAN CYST RUPTURED 1/787 (0.1%) 0/165 (0%) 0/176 (0%)
    Social circumstances
    PHYSICAL ASSAULT 1/787 (0.1%) 0/165 (0%) 0/176 (0%)
    Vascular disorders
    HYPERTENSION 0/787 (0%) 1/165 (0.6%) 0/176 (0%)
    Other (Not Including Serious) Adverse Events
    Phase 1: Single-Blind Treatment, Lamotrigine + Aripiprazole Phase 2 Double-Blind Treatment: Lamotrigine + Placebo Phase 2 Double-Blind Treatment: Lamotrigine + Aripiprazole
    Affected / at Risk (%) # Events Affected / at Risk (%) # Events Affected / at Risk (%) # Events
    Total 545/787 (69.3%) 61/165 (37%) 74/176 (42%)
    Gastrointestinal disorders
    NAUSEA 103/787 (13.1%) 6/165 (3.6%) 7/176 (4%)
    VOMITING 40/787 (5.1%) 1/165 (0.6%) 1/176 (0.6%)
    DRY MOUTH 44/787 (5.6%) 3/165 (1.8%) 4/176 (2.3%)
    General disorders
    FATIGUE 74/787 (9.4%) 1/165 (0.6%) 5/176 (2.8%)
    Infections and infestations
    URINARY TRACT INFECTION 35/787 (4.4%) 9/165 (5.5%) 5/176 (2.8%)
    UPPER RESPIRATORY TRACT INFECTION 34/787 (4.3%) 13/165 (7.9%) 12/176 (6.8%)
    Musculoskeletal and connective tissue disorders
    BACK PAIN 26/787 (3.3%) 5/165 (3%) 9/176 (5.1%)
    Nervous system disorders
    HEADACHE 92/787 (11.7%) 13/165 (7.9%) 8/176 (4.5%)
    SEDATION 62/787 (7.9%) 3/165 (1.8%) 1/176 (0.6%)
    AKATHISIA 196/787 (24.9%) 10/165 (6.1%) 19/176 (10.8%)
    DIZZINESS 40/787 (5.1%) 3/165 (1.8%) 2/176 (1.1%)
    SOMNOLENCE 42/787 (5.3%) 0/165 (0%) 1/176 (0.6%)
    Psychiatric disorders
    ANXIETY 73/787 (9.3%) 6/165 (3.6%) 13/176 (7.4%)
    INSOMNIA 138/787 (17.5%) 19/165 (11.5%) 13/176 (7.4%)
    AGITATION 65/787 (8.3%) 8/165 (4.8%) 11/176 (6.3%)
    RESTLESSNESS 55/787 (7%) 2/165 (1.2%) 3/176 (1.7%)

    Limitations/Caveats

    [Not Specified]

    More Information

    Certain Agreements

    Principal Investigators are NOT employed by the organization sponsoring the study.

    Bristol-Myers Squibb Co. agreements with investigators vary; constant is our right to embargo communications regarding trial results prior to public release for a period ≤60 days from submittal for review. We will not prohibit investigators from publishing, but will prohibit the disclosure of previously undisclosed confidential information other than study results, and request postponement of single-center publications until after disclosure of the clinical trial's primary publication.

    Results Point of Contact

    Name/Title BMS Study Director
    Organization Bristol-Myers Squibb
    Phone
    Email Clinical.Trials@bms.com
    Responsible Party:
    , ,
    ClinicalTrials.gov Identifier:
    NCT00277212
    Other Study ID Numbers:
    • CN138-392 ST
    First Posted:
    Jan 16, 2006
    Last Update Posted:
    Dec 2, 2013
    Last Verified:
    Nov 1, 2010