A Study to Evaluate the Safety and Efficacy of Topically Applied TV 45070 Ointment in Patients With Postherpetic Neuralgia (PHN)
Study Details
Study Description
Brief Summary
This is a study to evaluate the safety and efficacy of 4% and 8% w/w TV 45070 ointment compared with placebo ointment applied topically and twice daily to the area of PHN pain for 4 weeks in patients with PHN
Condition or Disease | Intervention/Treatment | Phase |
---|---|---|
|
Phase 2 |
Study Design
Arms and Interventions
Arm | Intervention/Treatment |
---|---|
Experimental: TV-45070 4% TV-45070 ointment in a 4% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. |
Drug: TV-45070
TV-45070 is an ointment applied topically twice daily to area of pain.
Other Names:
|
Experimental: TV-45070 8% TV-45070 ointment in a 8% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. |
Drug: TV-45070
TV-45070 is an ointment applied topically twice daily to area of pain.
Other Names:
|
Placebo Comparator: Placebo Placebo ointment applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. |
Drug: Placebo
The matching placebo ointment contained only the excipients of the active treatment; also applied topically twice daily to area of pain.
|
Outcome Measures
Primary Outcome Measures
- Change From Baseline to Week 4 in the Weekly Average of the Daily Average Numeric Rating Scale (NRS) Pain Scores Using a Mixed Model for Repeated Measures [Baseline (day -7 to day -1), Week 4 (day 22 to day 28)]
The primary efficacy endpoint was the change from baseline to week 4 in the weekly average of the daily average NRS scores. The NRS is a widely-used, standard one-dimensional 11-point scale from 0=no pain to 10=worst pain imaginable as reported by patients. The daily average NRS scores is the average of the 2 NRS scores (recorded in the morning and evening) of average pain, defined as the patient-reported average pain intensity over the prior 12 hours. At least 1 of the 2 daily scores had to be recorded (non-missing) or the daily average was considered missing. Negative change from baseline values indicate a lessening of pain. The Mixed Model Repeated Measures (MMRM) model with change from baseline in the weekly average of the daily average NRS scores at week 4 as the dependent variable; week, pooled study center, treatment, and treatment by visit interaction as fixed factors, baseline weekly average of the daily average NRS scores as covariate; and patient as a random effect.
Secondary Outcome Measures
- Change From Baseline to Week 4 in the Weekly Average of the Average Numeric Rating Scale (NRS) Pain Scores Recorded in the Evening Using a Mixed Model for Repeated Measures [Baseline (day -7 to day -1), Week 4 (day 22 to day 28)]
The NRS is a widely-used, standard one-dimensional 11-point scale from 0=no pain to 10=worst pain imaginable as reported by patients. The NRS pain scores recorded in the evening is defined as the patient-reported average pain intensity over the prior 12 hours. Negative change from baseline values indicate a lessening of pain. The Mixed Model Repeated Measures (MMRM) model with change from baseline in the weekly average of the evening NRS scores at week 4 as the dependent variable; week, pooled study center, treatment, and treatment by visit interaction as fixed factors, baseline weekly average of the evening NRS scores as covariate; and patient as a random effect.
- Change From Baseline to Week 4 in the Weekly Average of the Average Numeric Rating Scale (NRS) Pain Scores Recorded in the Morning Using a Mixed Model for Repeated Measures [Baseline (day -7 to day -1), Week 4 (day 22 to day 28)]
The NRS is a widely-used, standard one-dimensional 11-point scale from 0=no pain to 10=worst pain imaginable as reported by patients. The NRS pain scores recorded in the morning is defined as the patient-reported average pain intensity over the prior 12 hours. Negative change from baseline values indicate a lessening of pain. The Mixed Model Repeated Measures (MMRM) model with change from baseline in the weekly average of the evening NRS scores at week 4 as the dependent variable; week, pooled study center, treatment, and treatment by visit interaction as fixed factors, baseline weekly average of morning NRS scores as covariate; and patient as a random effect.
- Change From Baseline to Week 4 in the Weekly Average of the Worst Numeric Rating Scale (NRS) Pain Scores Recorded in the Evening Using a Mixed Model for Repeated Measures [Baseline (day -7 to day -1), Week 4 (day 22 to day 28)]
The NRS is a widely-used, standard one-dimensional 11-point scale from 0=no pain to 10=worst pain imaginable as reported by patients. The worst pain is defined as the patient-reported worst pain intensity over the prior 24 hours. Negative change from baseline values indicate a lessening of pain. The Mixed Model Repeated Measures (MMRM) model with change from baseline in the weekly average of the worst pain NRS scores at week 4 as the dependent variable; week, pooled study center, treatment, and treatment by visit interaction as fixed factors, baseline weekly average of the evening NRS scores as covariate; and patient as a random effect.
- Percentage of Participants With >=30% and >=50% Improvement From Baseline in the Weekly Average of the Daily Average Numeric Rating Scale (NRS) Pain Scores at Week 4 Using a Mixed Model for Repeated Measures [Baseline (day -7 to day -1), Week 4 (day 22 to day 28)]
The NRS is a 11-point scale from 0=no pain to 10=worst pain imaginable as reported by patients. The daily average NRS scores is the average of the 2 NRS scores (recorded in the morning and evening) of average pain, defined as the patient-reported average pain intensity over the prior 12 hours. Percent improvement is calculated as 100 × (the weekly average of the daily average NRS pain score at week 4 - weekly average of the daily average NRS pain scores at baseline /weekly average of the daily average NRS pain scores at baseline. Patients missing a week 4 average are considered non-responders (<50% improvement or <30% improvement). The Mixed Model Repeated Measures (MMRM) model with change from baseline in the weekly average of the daily average NRS scores at week 4 as the dependent variable; week, pooled study center, treatment, and treatment by visit interaction as fixed factors, baseline weekly average of the daily average NRS scores as covariate; and patient as a random effect.
- Change From Baseline to Weeks 2 and 4 in the Neuropathic Pain Symptom Inventory (NPSI) Total Score Using a Mixed Model for Repeated Measures (MMRM) [Baseline (day 1 prior to dosing), Weeks 2 (day 15) and Week 4 (day 29)]
NPSI is a patient-reported questionnaire to evaluate the severity of different symptoms of neuropathic pain. The questionnaire contains 10 descriptors representing 5 distinct dimensions of pain: burning pain, deep pain, paroxysmal pain, evoked pain, and paresthesia/dysesthesia, plus 2 temporal items. Descriptors are scored from 0 through 10, where higher scores represent worse pain. The total score is the sum of the scores of the 10 descriptors (Bouhassira et al 2004). The total score ranges from 0 (no pain) through 100 (worst pain imaginable). If the score for one question was missing the total score was computed as 10 times sum of scores of 9 descriptors divided by 9. If more than one question was missing then the total score was missing. Negative change from baseline scores indicated less pain. The MMRM used pooled study center, week, treatment, and treatment by week interaction as fixed factors and patient as a random factor.
- Change From Baseline to Week 4 in the Neuropathic Pain Impact on Quality of Life (NePIQoL) Total Score [Baseline (day 1), Week 4 (day 29)]
NePIQoL is a questionnaire that contains 41 items to evaluate quality of life in patients with neuropathic pain. Each question has responses ranging from strongly agree or always to strongly disagree or never. Questions are scored on a 5-point scale from 1 through 5, where higher scores represent greater pain-related interference in quality of life. Total range is 41 (great quality of life) to 205 (worst quality of life). Negative change from baseline scores indicated an improving quality of life.
- Participants' Global Assess of Treatment as Measured by the Patient Global Impression of Change (PGIC) at Weeks 2 and 4 Using a Mixed Model for Repeated Measures (MMRM) [Weeks 2 (day 15) and Week 4 (day 29)]
PGIC is a standardized self-report tool that measures the change in a patient's overall status rating since the start of treatment on 7-point scale (Hurst and Bolton 2004). The 7-point scale is defined as: 1=very much improved, 2=much improved, 3=minimally improved, 4=no change, 5=minimally worse, 6=much worse, 7=very much worse. The MMRM used pooled study center, week, treatment, and treatment by week interaction as fixed factors and patient as a random factor.
- Change From Baseline to Weeks 2 and 4 in the Daily Sleep Interference Scale (DSIS) Using a Mixed Model for Repeated Measures [Baseline (day 1 prior to dosing), Weeks 2 (day 15) and Week 4 (day 29)]
DSIS is an 11-point scale that asks the patient to "select the number that best describes how much your pain has interfered with your sleep during the past 24 hours." Response options range from 0 (Did not interfere with sleep) to 10 (Completely interfered with sleep/unable to sleep due to pain). Negative change from baseline scores indicate improvement (lessening) of how much pain interfered with sleep. The MMRM used pooled study center, week, treatment, and treatment by week interaction as fixed factors and patient as a random factor.
- Kaplan-Meier Estimates for First Time to Reach 30% or More Sustained Improvement in Weekly Average of the Daily Average NRS Pain Scores [Baseline (days -7 to -1), Week 1 (days 1-7), Week 2 (day 8-14), Week 3 (days 15-21), Week 4 (days 22-29)]
Percent improvement is calculated as 100*(the weekly average of the daily average NRS pain score - weekly average of the daily average NRS pain scores at baseline [days -7 to -1])/weekly average of the daily average NRS pain scores at baseline. Patients who do not reach >= 30% improvement are censored at their last non-missing weekly average. Patients who reach >= 30% improvement, but the improvement is not sustained through the end of the treatment period are censored at their last non-missing weekly average. For patients who reach >= 30% improvement that is sustained through the end through the end of the of the treatment, the time >= 30% improvement is first reached is used.
- Change From Baseline to Weeks 2 and 4 in Maximal Intensity of Brush-Evoked Allodynia as Measured on an 11-point Numeric Rating Scale (NRS) Using a Mixed Model for Repeated Measures (MMRM) [Baseline (day 1 prior to dosing), Weeks 2 (day 15) and Week 4 (day 29)]
Allodynia refers to central pain sensitization (increased response of neurons) following normally non-painful, often repetitive, stimulation. In this case, pain evoked by innocuous brush is measured on an 11-point NRS where 0=no pain and 11=worst pain imaginable as reported by patients Negative change from baseline scores indicate improvement (lessening) of pain.
- Change From Baseline to Weeks 2 and 4 in Maximal Intensity of Punctate-Evoked Hyperalgesia as Measured on an 11-point Numeric Rating Scale (NRS) Using a Mixed Model for Repeated Measures (MMRM) [Baseline (day 1 prior to dosing), Weeks 2 (day 15) and Week 4 (day 29)]
Hyperalgesia refers to increased pain from a stimulus that normally provokes pain. In this case, pain is evoked by punctate skin stimulation using a Medipin® and is measured on an 11-point NRS where 0=no pain and 11=worst pain imaginable as reported by patients. Negative change from baseline scores indicate improvement (lessening) of pain. The MMRM used pooled study center, week, treatment, and treatment by week interaction as fixed factors and patient as a random factor. The unstructured covariance matrix for repeated observations within patients was used.
- Participants With Treatment-Emergent Adverse Events [day 1 up to day 57]
An adverse event was defined as any untoward medical occurrence that develops or worsens in severity during the conduct of a clinical study and does not necessarily have a causal relationship to the study drug. Severity was rated by the investigator on a scale of mild, moderate and severe, with severe= an AE which prevents normal daily activities. Relationship of AE to treatment was determined by the investigator. Serious AEs include death, a life-threatening adverse event, inpatient hospitalization or prolongation of existing hospitalization, persistent or significant disability or incapacity, a congenital anomaly or birth defect, OR an important medical event that jeopardized the patient and required medical intervention to prevent the previously listed serious outcomes.
Eligibility Criteria
Criteria
Inclusion Criteria:
-
Patient has chronic Postherpetic Neuralgia (PHN), defined as pain present for more than 6 months and less than 10 years after onset of herpes zoster skin rash affecting a single dermatome. Patients with more than 1 involved dermatome may also be included, provided the affected dermatomes are contiguous.
-
Patient is ≥18 years of age, with a body mass index (BMI) between 18 and 34 kg/m2, inclusive, at the screening visit.
-
If the patient is a woman and is fertile, the patient is not pregnant and has negative pregnancy tests at both the screening and randomization visits, and agrees to use an acceptable method of contraception for the duration of the study, including follow-up.
-
If the patient is a man and is capable of producing offspring, the patient must agree to use an acceptable method of contraception, unless the partner cannot become pregnant for the duration of the study, including follow-up.
-
Patient must sign the written Informed Consent Form (ICF) for the study and be willing to comply with all study procedures and restrictions.
-
Patient must be judged by the investigator to be medically healthy (except for PHN) and able to participate in the study
-
Other criteria apply, please contact the investigator for more information
Exclusion Criteria:
-
Patient has any other severe pain that might confound assessment or self-evaluation of pain due to PHN.
-
Patient has PHN affecting the face (trigeminal nerve distribution).
-
Patient has a history, in the judgment of the investigator, of inadequate response to more than 3 adequate courses of treatment with other medications used to treat neuropathic pain (eg, tricyclic antidepressants, serotonin-norepinephrine reuptake inhibitors, anticonvulsants, topical lidocaine, and/or topical capsaicin).
-
Patient is taking oral analgesics (either opioid or non-opioid) or is receiving topical therapy such as the 5% topical lidocaine patch for the treatment of pain and is unwilling or unable to complete a washout period during which the patient will discontinue analgesic therapy or topical pain therapy.
-
Patient has been treated with topical capsaicin at any time in the past 6 months for neuropathic pain.
-
Patient has a history of fibromyalgia.
-
Other criteria apply, please contact the investigator for more information
Contacts and Locations
Locations
Site | City | State | Country | Postal Code | |
---|---|---|---|---|---|
1 | Teva Investigational Site 13052 | Birmingham | Alabama | United States | 35213 |
2 | Teva Investigational Site 13086 | Mobile | Alabama | United States | 36608 |
3 | Teva Investigational Site 13514 | Phoenix | Arizona | United States | 85018 |
4 | Teva Investigational Site 13520 | Phoenix | Arizona | United States | 85023 |
5 | Teva Investigational Site 13661 | Little Rock | Arkansas | United States | 72205 |
6 | Teva Investigational Site 13079 | Colton | California | United States | 92324 |
7 | Teva Investigational Site 13331 | Pomona | California | United States | 91767 |
8 | Teva Investigational Site 13341 | Sacramento | California | United States | 95821 |
9 | Teva Investigational Site 13051 | Santa Monica | California | United States | 90404 |
10 | Teva Investigational Site 13055 | Thousand Oaks | California | United States | 91360 |
11 | Teva Investigational Site 13100 | Torrance | California | United States | 90505 |
12 | Teva Investigational Site 13657 | Milford | Connecticut | United States | 06460 |
13 | Teva Investigational Site 13521 | Brandon | Florida | United States | 33511 |
14 | Teva Investigational Site 13085 | Brooksville | Florida | United States | 34601 |
15 | Teva Investigational Site 13057 | Clearwater | Florida | United States | 33761 |
16 | Teva Investigational Site 13084 | Fort Myers | Florida | United States | 33912 |
17 | Teva Investigational Site 13047 | Hialeah | Florida | United States | 33012 |
18 | Teva Investigational Site 13046 | Homestead | Florida | United States | 33030 |
19 | Teva Investigational Site 13098 | Jacksonville | Florida | United States | 32256 |
20 | Teva Investigational Site 13045 | Kissimmee | Florida | United States | 34744 |
21 | Teva Investigational Site 13064 | Miami | Florida | United States | 33126 |
22 | Teva Investigational Site 13338 | Miami | Florida | United States | 33135 |
23 | Teva Investigational Site 13044 | Miami | Florida | United States | 33176 |
24 | Teva Investigational Site 13335 | Miami | Florida | United States | 33183 |
25 | Teva Investigational Site 13522 | Naples | Florida | United States | 34102 |
26 | Teva Investigational Site 13058 | New Port Richey | Florida | United States | 34652 |
27 | Teva Investigational Site 13076 | Oldsmar | Florida | United States | 34677 |
28 | Teva Investigational Site 13073 | Orlando | Florida | United States | 32801 |
29 | Teva Investigational Site 13048 | Orlando | Florida | United States | 32806 |
30 | Teva Investigational Site 13659 | Pembroke Pines | Florida | United States | 33024 |
31 | Teva Investigational Site 13056 | Saint Petersburg | Florida | United States | 33713 |
32 | Teva Investigational Site 13519 | Seminole | Florida | United States | 33708 |
33 | Teva Investigational Site 13059 | Tampa | Florida | United States | 33603 |
34 | Teva Investigational Site 13329 | Venice | Florida | United States | 34292 |
35 | Teva Investigational Site 13513 | Virginia Gardens | Florida | United States | 33172 |
36 | Teva Investigational Site 13053 | Atlanta | Georgia | United States | 30331 |
37 | Teva Investigational Site 13063 | Marietta | Georgia | United States | 30060 |
38 | Teva Investigational Site 13091 | Aurora | Illinois | United States | 60506 |
39 | Teva Investigational Site 13072 | Bolingbrook | Illinois | United States | 60490 |
40 | Teva Investigational Site 13062 | Evansville | Indiana | United States | 47714 |
41 | Teva Investigational Site 13093 | Evansville | Indiana | United States | 47725 |
42 | Teva Investigational Site 13074 | Monroe | Louisiana | United States | 71201 |
43 | Teva Investigational Site 13660 | Shreveport | Louisiana | United States | 71105 |
44 | Teva Investigational Site 13094 | Brockton | Massachusetts | United States | 02301 |
45 | Teva Investigational Site 13061 | Detroit | Michigan | United States | 48235 |
46 | Teva Investigational Site 13049 | Farmington Hills | Michigan | United States | 48334 |
47 | Teva Investigational Site 13099 | Saint Louis | Missouri | United States | 63141 |
48 | Teva Investigational Site 13065 | Las Vegas | Nevada | United States | 89123 |
49 | Teva Investigational Site 13066 | Albuquerque | New Mexico | United States | 87102 |
50 | Teva Investigational Site 13330 | Albuquerque | New Mexico | United States | 87108-5129 |
51 | Teva Investigational Site 13658 | Albany | New York | United States | 12208 |
52 | Teva Investigational Site 13334 | Brooklyn | New York | United States | 11229 |
53 | Teva Investigational Site 13054 | New York | New York | United States | 10128 |
54 | Teva Investigational Site 13083 | North Massapequa | New York | United States | 11758-1802 |
55 | Teva Investigational Site 13060 | Calabash | North Carolina | United States | 28467 |
56 | Teva Investigational Site 13337 | Raleigh | North Carolina | United States | 27612 |
57 | Teva Investigational Site 13082 | Winston-Salem | North Carolina | United States | 27103 |
58 | Teva Investigational Site 13089 | Columbus | Ohio | United States | 43214 |
59 | Teva Investigational Site 13075 | Oklahoma City | Oklahoma | United States | 73103 |
60 | Teva Investigational Site 13328 | Oklahoma City | Oklahoma | United States | 73104 |
61 | Teva Investigational Site 13516 | Oklahoma City | Oklahoma | United States | 73112 |
62 | Teva Investigational Site 13078 | Eugene | Oregon | United States | 97404 |
63 | Teva Investigational Site 13333 | Levittown | Pennsylvania | United States | 19056 |
64 | Teva Investigational Site 13339 | Philadelphia | Pennsylvania | United States | 19146 |
65 | Teva Investigational Site 13327 | Pittsburgh | Pennsylvania | United States | 15206 |
66 | Teva Investigational Site 13332 | Charleston | South Carolina | United States | 29406 |
67 | Teva Investigational Site 13068 | Rapid City | South Dakota | United States | 57702 |
68 | Teva Investigational Site 13095 | Knoxville | Tennessee | United States | 37909 |
69 | Teva Investigational Site 13096 | Memphis | Tennessee | United States | 38119 |
70 | Teva Investigational Site 13070 | Arlington | Texas | United States | 76012 |
71 | Teva Investigational Site 13088 | Austin | Texas | United States | 78731 |
72 | Teva Investigational Site 13340 | McKinney | Texas | United States | 75071 |
73 | Teva Investigational Site 13050 | Plano | Texas | United States | 75093 |
74 | Teva Investigational Site 13518 | Salt Lake City | Utah | United States | 84124 |
75 | Teva Investigational Site 13090 | Norfolk | Virginia | United States | 23507 |
76 | Teva Investigational Site 13081 | Bellevue | Washington | United States | 98007 |
77 | Teva Investigational Site 13336 | Seattle | Washington | United States | 98195 |
Sponsors and Collaborators
- Teva Branded Pharmaceutical Products R&D, Inc.
Investigators
- Study Director: Teva Medical Expert, MD, Teva Branded Pharmaceutical Products R&D, Inc.
Study Documents (Full-Text)
More Information
Publications
None provided.- TV-45070-CNS-20013
Study Results
Participant Flow
Recruitment Details | 658 patients with chronic postherpetic neuralgia (PHN) were screened; reasons for not enrolling included: inclusion criteria not met (144), exclusion criteria met (171), consent withdrawn (28), lost to follow-up (6), adverse event (1), other (8). |
---|---|
Pre-assignment Detail | 300 participants were randomly assigned in a 1:1:1 ratio to 1 of 3 treatment groups. |
Arm/Group Title | TV-45070 4% | TV-45070 8% | Placebo |
---|---|---|---|
Arm/Group Description | TV-45070 ointment in a 4% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | TV-45070 ointment in a 8% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | Placebo ointment applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. |
Period Title: Overall Study | |||
STARTED | 100 | 100 | 100 |
Safety Population | 100 | 98 | 100 |
Full Analysis Set | 100 | 98 | 100 |
COMPLETED | 94 | 93 | 97 |
NOT COMPLETED | 6 | 7 | 3 |
Baseline Characteristics
Arm/Group Title | TV-45070 4% | TV-45070 8% | Placebo | Total |
---|---|---|---|---|
Arm/Group Description | TV-45070 ointment in a 4% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | TV-45070 ointment in a 8% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | Placebo ointment applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | Total of all reporting groups |
Overall Participants | 100 | 100 | 100 | 300 |
Age (years) [Mean (Standard Deviation) ] | ||||
Mean (Standard Deviation) [years] |
57.2
(15.99)
|
57.6
(16.61)
|
58.6
(15.80)
|
57.8
(16.09)
|
Sex: Female, Male (Count of Participants) | ||||
Female |
57
57%
|
50
50%
|
65
65%
|
172
57.3%
|
Male |
43
43%
|
50
50%
|
35
35%
|
128
42.7%
|
Ethnicity (NIH/OMB) (Count of Participants) | ||||
Hispanic or Latino |
56
56%
|
53
53%
|
70
70%
|
179
59.7%
|
Not Hispanic or Latino |
43
43%
|
47
47%
|
30
30%
|
120
40%
|
Unknown or Not Reported |
1
1%
|
0
0%
|
0
0%
|
1
0.3%
|
Race/Ethnicity, Customized (Count of Participants) | ||||
White |
81
81%
|
79
79%
|
90
90%
|
250
83.3%
|
Black or African American |
13
13%
|
17
17%
|
7
7%
|
37
12.3%
|
Asian |
3
3%
|
3
3%
|
1
1%
|
7
2.3%
|
American Indian or Alaskan Native |
1
1%
|
1
1%
|
1
1%
|
3
1%
|
Other |
2
2%
|
0
0%
|
1
1%
|
3
1%
|
Weight (kg) [Mean (Standard Deviation) ] | ||||
Mean (Standard Deviation) [kg] |
77.02
(13.775)
|
77.41
(13.383)
|
77.86
(15.111)
|
77.43
(14.066)
|
Height (cm) [Mean (Standard Deviation) ] | ||||
Mean (Standard Deviation) [cm] |
167.27
(10.258)
|
168.03
(8.203)
|
165.82
(10.355)
|
167.04
(9.668)
|
Body Mass Index (kg/m^2) [Mean (Standard Deviation) ] | ||||
Mean (Standard Deviation) [kg/m^2] |
27.42
(3.457)
|
27.30
(3.452)
|
28.15
(3.798)
|
27.62
(3.580)
|
R1150W Polymorphism Status (Count of Participants) | ||||
Homozygous minor allele (positive, AA) |
1
1%
|
2
2%
|
0
0%
|
3
1%
|
Heterozygous (positive, AG) |
17
17%
|
25
25%
|
22
22%
|
64
21.3%
|
Homozygous common allele (negative, GG) |
82
82%
|
73
73%
|
78
78%
|
233
77.7%
|
Outcome Measures
Title | Change From Baseline to Week 4 in the Weekly Average of the Daily Average Numeric Rating Scale (NRS) Pain Scores Using a Mixed Model for Repeated Measures |
---|---|
Description | The primary efficacy endpoint was the change from baseline to week 4 in the weekly average of the daily average NRS scores. The NRS is a widely-used, standard one-dimensional 11-point scale from 0=no pain to 10=worst pain imaginable as reported by patients. The daily average NRS scores is the average of the 2 NRS scores (recorded in the morning and evening) of average pain, defined as the patient-reported average pain intensity over the prior 12 hours. At least 1 of the 2 daily scores had to be recorded (non-missing) or the daily average was considered missing. Negative change from baseline values indicate a lessening of pain. The Mixed Model Repeated Measures (MMRM) model with change from baseline in the weekly average of the daily average NRS scores at week 4 as the dependent variable; week, pooled study center, treatment, and treatment by visit interaction as fixed factors, baseline weekly average of the daily average NRS scores as covariate; and patient as a random effect. |
Time Frame | Baseline (day -7 to day -1), Week 4 (day 22 to day 28) |
Outcome Measure Data
Analysis Population Description |
---|
Full analysis set; patients from one site are excluded due to lack of data integrity. |
Arm/Group Title | TV-45070 4% | TV-45070 8% | Placebo |
---|---|---|---|
Arm/Group Description | TV-45070 ointment in a 4% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | TV-45070 ointment in a 8% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | Placebo ointment applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. |
Measure Participants | 100 | 98 | 100 |
Baseline |
5.37
(0.992)
|
5.60
(1.236)
|
5.51
(0.963)
|
Change from baseline at week 4 |
-1.64
(1.360)
|
-1.71
(1.500)
|
-1.90
(1.670)
|
Statistical Analysis 1
Statistical Analysis Overview | Comparison Group Selection | TV-45070 4%, Placebo |
---|---|---|
Comments | The Mixed Model Repeated Measures (MMRM) model with change from baseline in the weekly average of the daily average NRS scores at week 4 as the dependent variable; week, pooled study center, treatment, and treatment by visit interaction as fixed factors, baseline weekly average of the daily average NRS scores as covariate; and patient as a random effect. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.130 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 0.32 | |
Confidence Interval |
(2-Sided) 95% -0.094 to 0.726 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 2
Statistical Analysis Overview | Comparison Group Selection | TV-45070 8%, Placebo |
---|---|---|
Comments | The Mixed Model Repeated Measures (MMRM) model with change from baseline in the weekly average of the daily average NRS scores at week 4 as the dependent variable; week, pooled study center, treatment, and treatment by visit interaction as fixed factors, baseline weekly average of the daily average NRS scores as covariate; and patient as a random effect. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.245 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 0.24 | |
Confidence Interval |
(2-Sided) 95% -0.167 to 0.652 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Title | Change From Baseline to Week 4 in the Weekly Average of the Average Numeric Rating Scale (NRS) Pain Scores Recorded in the Evening Using a Mixed Model for Repeated Measures |
---|---|
Description | The NRS is a widely-used, standard one-dimensional 11-point scale from 0=no pain to 10=worst pain imaginable as reported by patients. The NRS pain scores recorded in the evening is defined as the patient-reported average pain intensity over the prior 12 hours. Negative change from baseline values indicate a lessening of pain. The Mixed Model Repeated Measures (MMRM) model with change from baseline in the weekly average of the evening NRS scores at week 4 as the dependent variable; week, pooled study center, treatment, and treatment by visit interaction as fixed factors, baseline weekly average of the evening NRS scores as covariate; and patient as a random effect. |
Time Frame | Baseline (day -7 to day -1), Week 4 (day 22 to day 28) |
Outcome Measure Data
Analysis Population Description |
---|
Full analysis set. Participants from one site are excluded due to lack of data integrity. |
Arm/Group Title | TV-45070 4% | TV-45070 8% | Placebo |
---|---|---|---|
Arm/Group Description | TV-45070 ointment in a 4% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | TV-45070 ointment in a 8% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | Placebo ointment applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. |
Measure Participants | 100 | 98 | 100 |
Baseline |
5.45
(1.073)
|
5.66
(1.320)
|
5.58
(0.994)
|
Change from baseline at week 4 |
-1.70
(1.412)
|
-1.73
(1.506)
|
-1.96
(1.745)
|
Statistical Analysis 1
Statistical Analysis Overview | Comparison Group Selection | TV-45070 4%, Placebo |
---|---|---|
Comments | The Mixed Model Repeated Measures (MMRM) model with change from baseline in the weekly average of the average NRS pain scores recorded in the evening at week 4 as the dependent variable; week, pooled study center, treatment, and treatment by visit interaction as fixed factors, baseline weekly average of the average NRS pain scores recorded in the evening as covariate; and patient as a random effect. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.128 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 0.32 | |
Confidence Interval |
(2-Sided) 95% -0.093 to 0.735 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 2
Statistical Analysis Overview | Comparison Group Selection | TV-45070 8%, Placebo |
---|---|---|
Comments | The Mixed Model Repeated Measures (MMRM) model with change from baseline in the weekly average of the average NRS pain scores recorded in the evening at week 4 as the dependent variable; week, pooled study center, treatment, and treatment by visit interaction as fixed factors, baseline weekly average of the average NRS pain scores recorded in the evening as covariate; and patient as a random effect. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.194 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 0.27 | |
Confidence Interval |
(2-Sided) 95% -0.140 to 0.688 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Title | Change From Baseline to Week 4 in the Weekly Average of the Average Numeric Rating Scale (NRS) Pain Scores Recorded in the Morning Using a Mixed Model for Repeated Measures |
---|---|
Description | The NRS is a widely-used, standard one-dimensional 11-point scale from 0=no pain to 10=worst pain imaginable as reported by patients. The NRS pain scores recorded in the morning is defined as the patient-reported average pain intensity over the prior 12 hours. Negative change from baseline values indicate a lessening of pain. The Mixed Model Repeated Measures (MMRM) model with change from baseline in the weekly average of the evening NRS scores at week 4 as the dependent variable; week, pooled study center, treatment, and treatment by visit interaction as fixed factors, baseline weekly average of morning NRS scores as covariate; and patient as a random effect. |
Time Frame | Baseline (day -7 to day -1), Week 4 (day 22 to day 28) |
Outcome Measure Data
Analysis Population Description |
---|
Full analysis set. Participants from one site are excluded due to lack of data integrity. |
Arm/Group Title | TV-45070 4% | TV-45070 8% | Placebo |
---|---|---|---|
Arm/Group Description | TV-45070 ointment in a 4% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | TV-45070 ointment in a 8% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | Placebo ointment applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. |
Measure Participants | 100 | 98 | 100 |
Baseline |
5.30
(0.980)
|
5.53
(1.226)
|
5.44
(0.968)
|
Change from baseline at week 4 |
-1.60
(1.386)
|
-1.68
(1.548)
|
-1.84
(1.623)
|
Statistical Analysis 1
Statistical Analysis Overview | Comparison Group Selection | TV-45070 4%, Placebo |
---|---|---|
Comments | The Mixed Model Repeated Measures (MMRM) model with change from baseline in the weekly average of the average NRS pain scores recorded in the morning at week 4 as the dependent variable; week, pooled study center, treatment, and treatment by visit interaction as fixed factors, baseline weekly average of the average NRS pain scores recorded in the morning as covariate; and patient as a random effect. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.177 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 0.28 | |
Confidence Interval |
(2-Sided) 95% -0.128 to 0.691 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 2
Statistical Analysis Overview | Comparison Group Selection | TV-45070 8%, Placebo |
---|---|---|
Comments | The Mixed Model Repeated Measures (MMRM) model with change from baseline in the weekly average of the average NRS pain scores recorded in the morning at week 4 as the dependent variable; week, pooled study center, treatment, and treatment by visit interaction as fixed factors, baseline weekly average of the average NRS pain scores recorded in the morning as covariate; and patient as a random effect. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.325 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 0.20 | |
Confidence Interval |
(2-Sided) 95% -0.204 to 0.614 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Title | Change From Baseline to Week 4 in the Weekly Average of the Worst Numeric Rating Scale (NRS) Pain Scores Recorded in the Evening Using a Mixed Model for Repeated Measures |
---|---|
Description | The NRS is a widely-used, standard one-dimensional 11-point scale from 0=no pain to 10=worst pain imaginable as reported by patients. The worst pain is defined as the patient-reported worst pain intensity over the prior 24 hours. Negative change from baseline values indicate a lessening of pain. The Mixed Model Repeated Measures (MMRM) model with change from baseline in the weekly average of the worst pain NRS scores at week 4 as the dependent variable; week, pooled study center, treatment, and treatment by visit interaction as fixed factors, baseline weekly average of the evening NRS scores as covariate; and patient as a random effect. |
Time Frame | Baseline (day -7 to day -1), Week 4 (day 22 to day 28) |
Outcome Measure Data
Analysis Population Description |
---|
Full analysis set. Participants from one site are excluded due to lack of data integrity. |
Arm/Group Title | TV-45070 4% | TV-45070 8% | Placebo |
---|---|---|---|
Arm/Group Description | TV-45070 ointment in a 4% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | TV-45070 ointment in a 8% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | Placebo ointment applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. |
Measure Participants | 100 | 98 | 100 |
Baseline |
6.09
(1.060)
|
6.35
(1.378)
|
6.09
(1.041)
|
Change from baseline at week 4 |
-1.73
(1.576)
|
-1.83
(1.657)
|
-1.97
(1.883)
|
Statistical Analysis 1
Statistical Analysis Overview | Comparison Group Selection | TV-45070 4%, Placebo |
---|---|---|
Comments | The Mixed Model Repeated Measures (MMRM) model with change from baseline in the weekly average of the worst NRS pain scores recorded in the evening at week 4 as the dependent variable; week, pooled study center, treatment, and treatment by visit interaction as fixed factors, baseline weekly average of the worst NRS pain scores recorded in the evening as covariate; and patient as a random effect. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.202 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 0.29 | |
Confidence Interval |
(2-Sided) 95% -0.158 to 0.741 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 2
Statistical Analysis Overview | Comparison Group Selection | TV-45070 8%, Placebo |
---|---|---|
Comments | The Mixed Model Repeated Measures (MMRM) model with change from baseline in the weekly average of the worst NRS pain scores recorded in the evening at week 4 as the dependent variable; week, pooled study center, treatment, and treatment by visit interaction as fixed factors, baseline weekly average of the worst NRS pain scores recorded in the evening as covariate; and patient as a random effect. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.457 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 0.457 | |
Confidence Interval |
(2-Sided) 95% -0.280 to 0.621 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Title | Percentage of Participants With >=30% and >=50% Improvement From Baseline in the Weekly Average of the Daily Average Numeric Rating Scale (NRS) Pain Scores at Week 4 Using a Mixed Model for Repeated Measures |
---|---|
Description | The NRS is a 11-point scale from 0=no pain to 10=worst pain imaginable as reported by patients. The daily average NRS scores is the average of the 2 NRS scores (recorded in the morning and evening) of average pain, defined as the patient-reported average pain intensity over the prior 12 hours. Percent improvement is calculated as 100 × (the weekly average of the daily average NRS pain score at week 4 - weekly average of the daily average NRS pain scores at baseline /weekly average of the daily average NRS pain scores at baseline. Patients missing a week 4 average are considered non-responders (<50% improvement or <30% improvement). The Mixed Model Repeated Measures (MMRM) model with change from baseline in the weekly average of the daily average NRS scores at week 4 as the dependent variable; week, pooled study center, treatment, and treatment by visit interaction as fixed factors, baseline weekly average of the daily average NRS scores as covariate; and patient as a random effect. |
Time Frame | Baseline (day -7 to day -1), Week 4 (day 22 to day 28) |
Outcome Measure Data
Analysis Population Description |
---|
Full analysis set. Participants from one site are excluded due to lack of data integrity. |
Arm/Group Title | TV-45070 4% | TV-45070 8% | Placebo |
---|---|---|---|
Arm/Group Description | TV-45070 ointment in a 4% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | TV-45070 ointment in a 8% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | Placebo ointment applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. |
Measure Participants | 98 | 98 | 100 |
>=30% improvement from baseline |
43.9
43.9%
|
43.9
43.9%
|
47.0
47%
|
>=50% improvement from baseline |
22.4
22.4%
|
25.5
25.5%
|
28.0
28%
|
Statistical Analysis 1
Statistical Analysis Overview | Comparison Group Selection | TV-45070 4%, Placebo |
---|---|---|
Comments | >=30% improvement. P-value, odds ratio and CI for odds ratio are calculated using logistic model including response (yes/no) as dependent variable, treatment group and pooled study sites as factors. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.815 |
Comments | 5% level of significance | |
Method | Regression, Logistic | |
Comments | ||
Method of Estimation | Estimation Parameter | Odds Ratio (OR) |
Estimated Value | 0.92 | |
Confidence Interval |
(2-Sided) 95% 0.456 to 1.856 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 2
Statistical Analysis Overview | Comparison Group Selection | TV-45070 8%, Placebo |
---|---|---|
Comments | >=30% improvement. P-value, odds ratio and CI for odds ratio are calculated using logistic model including response (yes/no) as dependent variable, treatment group and pooled study sites as factors. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.893 |
Comments | 5% level of significance | |
Method | Regression, Logistic | |
Comments | ||
Method of Estimation | Estimation Parameter | Odds Ratio (OR) |
Estimated Value | 1.05 | |
Confidence Interval |
(2-Sided) 95% 0.520 to 2.117 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 3
Statistical Analysis Overview | Comparison Group Selection | TV-45070 4%, Placebo |
---|---|---|
Comments | >=50% improvement. P-value, odds ratio and CI for odds ratio are calculated using logistic model including response (yes/no) as dependent variable, treatment group and pooled study sites as factors. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.430 |
Comments | 5% level of significance | |
Method | Regression, Logistic | |
Comments | ||
Method of Estimation | Estimation Parameter | Odds Ratio (OR) |
Estimated Value | 0.74 | |
Confidence Interval |
(2-Sided) 95% 0.357 to 1.550 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 4
Statistical Analysis Overview | Comparison Group Selection | TV-45070 8%, Placebo |
---|---|---|
Comments | >=50% improvement. P-value, odds ratio and CI for odds ratio are calculated using logistic model including response (yes/no) as dependent variable, treatment group and pooled study sites as factors. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.967 |
Comments | 5% level of significance | |
Method | Regression, Logistic | |
Comments | ||
Method of Estimation | Estimation Parameter | Odds Ratio (OR) |
Estimated Value | 1.02 | |
Confidence Interval |
(2-Sided) 95% 0.494 to 2.088 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Title | Change From Baseline to Weeks 2 and 4 in the Neuropathic Pain Symptom Inventory (NPSI) Total Score Using a Mixed Model for Repeated Measures (MMRM) |
---|---|
Description | NPSI is a patient-reported questionnaire to evaluate the severity of different symptoms of neuropathic pain. The questionnaire contains 10 descriptors representing 5 distinct dimensions of pain: burning pain, deep pain, paroxysmal pain, evoked pain, and paresthesia/dysesthesia, plus 2 temporal items. Descriptors are scored from 0 through 10, where higher scores represent worse pain. The total score is the sum of the scores of the 10 descriptors (Bouhassira et al 2004). The total score ranges from 0 (no pain) through 100 (worst pain imaginable). If the score for one question was missing the total score was computed as 10 times sum of scores of 9 descriptors divided by 9. If more than one question was missing then the total score was missing. Negative change from baseline scores indicated less pain. The MMRM used pooled study center, week, treatment, and treatment by week interaction as fixed factors and patient as a random factor. |
Time Frame | Baseline (day 1 prior to dosing), Weeks 2 (day 15) and Week 4 (day 29) |
Outcome Measure Data
Analysis Population Description |
---|
Full analysis set. Participants from one site are excluded due to lack of data integrity. |
Arm/Group Title | TV-45070 4% | TV-45070 8% | Placebo |
---|---|---|---|
Arm/Group Description | TV-45070 ointment in a 4% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | TV-45070 ointment in a 8% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | Placebo ointment applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. |
Measure Participants | 100 | 98 | 100 |
Baseline |
41.9
(16.45)
|
44.0
(16.50)
|
44.0
(15.18)
|
Change from baseline at week 2 |
-8.1
(14.13)
|
-9.9
(15.65)
|
-10.8
(14.68)
|
Change from baseline at week 4 |
-13.1
(15.76)
|
-14.3
(15.47)
|
-16.8
(17.78)
|
Statistical Analysis 1
Statistical Analysis Overview | Comparison Group Selection | TV-45070 4%, Placebo |
---|---|---|
Comments | Change from baseline at Week 2 The MMRM used pooled study center, week, treatment, and treatment by week interaction as fixed factors and patient as a random factor. The unstructured covariance matrix for repeated observations within patients was used. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.251 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM of difference with placebo |
Estimated Value | 2.2 | |
Confidence Interval |
(2-Sided) 95% -1.55 to 5.92 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 2
Statistical Analysis Overview | Comparison Group Selection | TV-45070 8%, Placebo |
---|---|---|
Comments | Change from baseline at Week 2. The MMRM used pooled study center, week, treatment, and treatment by week interaction as fixed factors and patient as a random factor. The unstructured covariance matrix for repeated observations within patients was used. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.495 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 1.3 | |
Confidence Interval |
(2-Sided) 95% -2.46 to 5.07 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 3
Statistical Analysis Overview | Comparison Group Selection | TV-45070 4%, Placebo |
---|---|---|
Comments | Change from baseline at Week 4. The MMRM used pooled study center, week, treatment, and treatment by week interaction as fixed factors and patient as a random factor. The unstructured covariance matrix for repeated observations within patients was used. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.123 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 3.1 | |
Confidence Interval |
(2-Sided) 95% -0.84 to 7.06 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 4
Statistical Analysis Overview | Comparison Group Selection | TV-45070 8%, Placebo |
---|---|---|
Comments | Change from baseline at Week 4. The MMRM used pooled study center, week, treatment, and treatment by week interaction as fixed factors and patient as a random factor. The unstructured covariance matrix for repeated observations within patients was used. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.160 |
Comments | 5% level of significance. | |
Method | miex model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 2.8 | |
Confidence Interval |
(2-Sided) 95% -1.12 to 6.77 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Title | Change From Baseline to Week 4 in the Neuropathic Pain Impact on Quality of Life (NePIQoL) Total Score |
---|---|
Description | NePIQoL is a questionnaire that contains 41 items to evaluate quality of life in patients with neuropathic pain. Each question has responses ranging from strongly agree or always to strongly disagree or never. Questions are scored on a 5-point scale from 1 through 5, where higher scores represent greater pain-related interference in quality of life. Total range is 41 (great quality of life) to 205 (worst quality of life). Negative change from baseline scores indicated an improving quality of life. |
Time Frame | Baseline (day 1), Week 4 (day 29) |
Outcome Measure Data
Analysis Population Description |
---|
Full analysis set. Participants from one site are excluded due to lack of data integrity. |
Arm/Group Title | TV-45070 4% | TV-45070 8% | Placebo |
---|---|---|---|
Arm/Group Description | TV-45070 ointment in a 4% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | TV-45070 ointment in a 8% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | Placebo ointment applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. |
Measure Participants | 100 | 98 | 100 |
Baseline |
127.1
(18.73)
|
126.5
(20.36)
|
127.6
(19.03)
|
Change from baseline at week 4 |
-11.5
(17.98)
|
11.3
(20.09)
|
-12.6
(19.93)
|
Statistical Analysis 1
Statistical Analysis Overview | Comparison Group Selection | TV-45070 4%, Placebo |
---|---|---|
Comments | ||
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.609 |
Comments | 5% level of significance | |
Method | ANCOVA | |
Comments | ANCOVA model includes study center, treatment, and baseline. | |
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 1.3 | |
Confidence Interval |
(2-Sided) 95% -3.81 to 6.48 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 2
Statistical Analysis Overview | Comparison Group Selection | TV-45070 8%, Placebo |
---|---|---|
Comments | ||
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.427 |
Comments | 5% level of significance | |
Method | ANCOVA | |
Comments | ANCOVA model includes study center, treatment, and baseline. | |
Method of Estimation | Estimation Parameter | LSM difference with placebo |
Estimated Value | 2.1 | |
Confidence Interval |
(2-Sided) 95% -3.05 to 7.19 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Title | Participants' Global Assess of Treatment as Measured by the Patient Global Impression of Change (PGIC) at Weeks 2 and 4 Using a Mixed Model for Repeated Measures (MMRM) |
---|---|
Description | PGIC is a standardized self-report tool that measures the change in a patient's overall status rating since the start of treatment on 7-point scale (Hurst and Bolton 2004). The 7-point scale is defined as: 1=very much improved, 2=much improved, 3=minimally improved, 4=no change, 5=minimally worse, 6=much worse, 7=very much worse. The MMRM used pooled study center, week, treatment, and treatment by week interaction as fixed factors and patient as a random factor. |
Time Frame | Weeks 2 (day 15) and Week 4 (day 29) |
Outcome Measure Data
Analysis Population Description |
---|
Full analysis set. Participants from one site are excluded due to lack of data integrity. Data collected beyond last dose of study medication plus 3 days are excluded from the analysis. |
Arm/Group Title | TV-45070 4% | TV-45070 8% | Placebo |
---|---|---|---|
Arm/Group Description | TV-45070 ointment in a 4% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | TV-45070 ointment in a 8% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | Placebo ointment applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. |
Measure Participants | 100 | 98 | 100 |
Week 2 |
2.9
(0.87)
|
2.9
(0.92)
|
2.7
(0.82)
|
Week 4 |
2.6
(1.08)
|
2.5
(1.12)
|
2.4
(1.07)
|
Statistical Analysis 1
Statistical Analysis Overview | Comparison Group Selection | TV-45070 4%, Placebo |
---|---|---|
Comments | Week 2 Mixed model for repeated measures (MMRM) with pooled study center, week, treatment, and treatment by week interaction as fixed factors and patient as a random factor. The unstructured covariance matrix for repeated observations within patients was used. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.166 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 0.2 | |
Confidence Interval |
(2-Sided) 95% -0.07 to 0.43 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 2
Statistical Analysis Overview | Comparison Group Selection | TV-45070 8%, Placebo |
---|---|---|
Comments | Week 2 Mixed model for repeated measures (MMRM) with pooled study center, week, treatment, and treatment by week interaction as fixed factors and patient as a random factor. The unstructured covariance matrix for repeated observations within patients was used. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.046 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 0.3 | |
Confidence Interval |
(2-Sided) 95% 0.00 to 0.51 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 3
Statistical Analysis Overview | Comparison Group Selection | TV-45070 4%, Placebo |
---|---|---|
Comments | Week 4 Mixed model for repeated measures (MMRM) with pooled study center, week, treatment, and treatment by week interaction as fixed factors and patient as a random factor. The unstructured covariance matrix for repeated observations within patients was used. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.152 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 0.2 | |
Confidence Interval |
(2-Sided) 95% -0.08 to 0.53 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 4
Statistical Analysis Overview | Comparison Group Selection | TV-45070 8%, Placebo |
---|---|---|
Comments | Week 4 Mixed model for repeated measures (MMRM) with pooled study center, week, treatment, and treatment by week interaction as fixed factors and patient as a random factor. The unstructured covariance matrix for repeated observations within patients was used. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.342 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 0.1 | |
Confidence Interval |
(2-Sided) 95% -0.16 to 0.46 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Title | Change From Baseline to Weeks 2 and 4 in the Daily Sleep Interference Scale (DSIS) Using a Mixed Model for Repeated Measures |
---|---|
Description | DSIS is an 11-point scale that asks the patient to "select the number that best describes how much your pain has interfered with your sleep during the past 24 hours." Response options range from 0 (Did not interfere with sleep) to 10 (Completely interfered with sleep/unable to sleep due to pain). Negative change from baseline scores indicate improvement (lessening) of how much pain interfered with sleep. The MMRM used pooled study center, week, treatment, and treatment by week interaction as fixed factors and patient as a random factor. |
Time Frame | Baseline (day 1 prior to dosing), Weeks 2 (day 15) and Week 4 (day 29) |
Outcome Measure Data
Analysis Population Description |
---|
Full analysis set. Participants from one site are excluded due to lack of data integrity. Data collected beyond last dose of study medication plus 3 days are excluded from the analysis. |
Arm/Group Title | TV-45070 4% | TV-45070 8% | Placebo |
---|---|---|---|
Arm/Group Description | TV-45070 ointment in a 4% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | TV-45070 ointment in a 8% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | Placebo ointment applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. |
Measure Participants | 100 | 98 | 100 |
Baseline |
4.5
(1.94)
|
4.4
(2.26)
|
4.4
(2.00)
|
Change from baseline at week 2 |
-1.1
(1.54)
|
-1.1
(1.99)
|
-1.3
(1.99)
|
Change from baseline at week 4 |
-1.4
(1.78)
|
-1.5
(2.16)
|
-1.7
(2.24)
|
Statistical Analysis 1
Statistical Analysis Overview | Comparison Group Selection | TV-45070 4%, Placebo |
---|---|---|
Comments | Change from baseline at Week 2 The inferential model includes study center, week, treatment, and treatment by week interaction as the fixed factors; baseline as a covariate and unstructured variance-covariance structure in the initial model. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.311 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 0.2 | |
Confidence Interval |
(2-Sided) 95% -0.22 to 0.70 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 2
Statistical Analysis Overview | Comparison Group Selection | TV-45070 8%, Placebo |
---|---|---|
Comments | Change from baseline at week 2 The inferential model includes study center, week, treatment, and treatment by week interaction as the fixed factors; baseline as a covariate and unstructured variance-covariance structure in the initial model. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.262 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 0.3 | |
Confidence Interval |
(2-Sided) 95% -0.20 to 0.73 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 3
Statistical Analysis Overview | Comparison Group Selection | TV-45070 4%, Placebo |
---|---|---|
Comments | Change from baseline at week 4 The inferential model includes study center, week, treatment, and treatment by week interaction as the fixed factors; baseline as a covariate and unstructured variance-covariance structure in the initial model. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.065 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 0.5 | |
Confidence Interval |
(2-Sided) 95% -0.03 to 0.97 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 4
Statistical Analysis Overview | Comparison Group Selection | TV-45070 8%, Placebo |
---|---|---|
Comments | Change from baseline at week 4 The inferential model includes study center, week, treatment, and treatment by week interaction as the fixed factors; baseline as a covariate and unstructured variance-covariance structure in the initial model. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.296 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 0.3 | |
Confidence Interval |
(2-Sided) 95% -0.23 to 0.76 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Title | Kaplan-Meier Estimates for First Time to Reach 30% or More Sustained Improvement in Weekly Average of the Daily Average NRS Pain Scores |
---|---|
Description | Percent improvement is calculated as 100*(the weekly average of the daily average NRS pain score - weekly average of the daily average NRS pain scores at baseline [days -7 to -1])/weekly average of the daily average NRS pain scores at baseline. Patients who do not reach >= 30% improvement are censored at their last non-missing weekly average. Patients who reach >= 30% improvement, but the improvement is not sustained through the end of the treatment period are censored at their last non-missing weekly average. For patients who reach >= 30% improvement that is sustained through the end through the end of the of the treatment, the time >= 30% improvement is first reached is used. |
Time Frame | Baseline (days -7 to -1), Week 1 (days 1-7), Week 2 (day 8-14), Week 3 (days 15-21), Week 4 (days 22-29) |
Outcome Measure Data
Analysis Population Description |
---|
Full analysis set. Participants from one site are excluded due to lack of data integrity. |
Arm/Group Title | TV-45070 4% | TV-45070 8% | Placebo |
---|---|---|---|
Arm/Group Description | TV-45070 ointment in a 4% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | TV-45070 ointment in a 8% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | Placebo ointment applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. |
Measure Participants | 98 | 98 | 100 |
Median (95% Confidence Interval) [days] |
NA
|
NA
|
NA
|
Statistical Analysis 1
Statistical Analysis Overview | Comparison Group Selection | TV-45070 4%, Placebo |
---|---|---|
Comments | ||
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.245 |
Comments | 5% level of significance | |
Method | Regression, Cox | |
Comments |
Statistical Analysis 2
Statistical Analysis Overview | Comparison Group Selection | TV-45070 8%, Placebo |
---|---|---|
Comments | ||
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.304 |
Comments | 5% level of significance | |
Method | Regression, Cox | |
Comments |
Title | Change From Baseline to Weeks 2 and 4 in Maximal Intensity of Brush-Evoked Allodynia as Measured on an 11-point Numeric Rating Scale (NRS) Using a Mixed Model for Repeated Measures (MMRM) |
---|---|
Description | Allodynia refers to central pain sensitization (increased response of neurons) following normally non-painful, often repetitive, stimulation. In this case, pain evoked by innocuous brush is measured on an 11-point NRS where 0=no pain and 11=worst pain imaginable as reported by patients Negative change from baseline scores indicate improvement (lessening) of pain. |
Time Frame | Baseline (day 1 prior to dosing), Weeks 2 (day 15) and Week 4 (day 29) |
Outcome Measure Data
Analysis Population Description |
---|
Full analysis set. Participants from one site are excluded due to lack of data integrity. Participants from two other sites are excluded dince the two sites incorrectly assessed allodynia. If brush-evoked allodynia was not present at screening, it was not rechecked on subsequent visits. |
Arm/Group Title | TV-45070 4% | TV-45070 8% | Placebo |
---|---|---|---|
Arm/Group Description | TV-45070 ointment in a 4% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | TV-45070 ointment in a 8% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | Placebo ointment applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. |
Measure Participants | 100 | 98 | 100 |
Baseline |
1.6
(1.54)
|
1.8
(2.28)
|
2.0
(2.24)
|
Change from baseline at week 2 |
-0.7
(1.47)
|
-1.0
(2.25)
|
-0.8
(1.53)
|
Change from baseline at week 4 |
-0.7
(1.45)
|
-0.7
(2.30)
|
-0.7
(1.76)
|
Statistical Analysis 1
Statistical Analysis Overview | Comparison Group Selection | TV-45070 4%, Placebo |
---|---|---|
Comments | Change from baseline at week 2 The inferential model includes study center, week, treatment, and treatment by week interaction as the fixed factors; baseline as a covariate and unstructured variance-covariance structure in the initial model. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.556 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | -0.1 | |
Confidence Interval |
(2-Sided) 95% -0.61 to 0.33 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 2
Statistical Analysis Overview | Comparison Group Selection | TV-45070 8%, Placebo |
---|---|---|
Comments | Change from baseline at week 2 The inferential model includes study center, week, treatment, and treatment by week interaction as the fixed factors; baseline as a covariate and unstructured variance-covariance structure in the initial model. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.482 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | -0.2 | |
Confidence Interval |
(2-Sided) 95% -0.65 to 0.31 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 3
Statistical Analysis Overview | Comparison Group Selection | TV-45070 4%, Placebo |
---|---|---|
Comments | Change from baseline at week 4. The inferential model includes study center, week, treatment, and treatment by week interaction as the fixed factors; baseline as a covariate and unstructured variance-covariance structure in the initial model. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.333 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | -0.3 | |
Confidence Interval |
(2-Sided) 95% -0.81 to 0.28 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 4
Statistical Analysis Overview | Comparison Group Selection | TV-45070 8%, Placebo |
---|---|---|
Comments | Change from baseline at week 4 The inferential model includes study center, week, treatment, and treatment by week interaction as the fixed factors; baseline as a covariate and unstructured variance-covariance structure in the initial model. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.833 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | -0.1 | |
Confidence Interval |
(2-Sided) 95% -0.62 to 0.50 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Title | Change From Baseline to Weeks 2 and 4 in Maximal Intensity of Punctate-Evoked Hyperalgesia as Measured on an 11-point Numeric Rating Scale (NRS) Using a Mixed Model for Repeated Measures (MMRM) |
---|---|
Description | Hyperalgesia refers to increased pain from a stimulus that normally provokes pain. In this case, pain is evoked by punctate skin stimulation using a Medipin® and is measured on an 11-point NRS where 0=no pain and 11=worst pain imaginable as reported by patients. Negative change from baseline scores indicate improvement (lessening) of pain. The MMRM used pooled study center, week, treatment, and treatment by week interaction as fixed factors and patient as a random factor. The unstructured covariance matrix for repeated observations within patients was used. |
Time Frame | Baseline (day 1 prior to dosing), Weeks 2 (day 15) and Week 4 (day 29) |
Outcome Measure Data
Analysis Population Description |
---|
Full analysis set. Participants from one site are excluded due to lack of data integrity. Participants from two other sites are excluded since the two sites incorrectly assessed allodynia. If punctate-evoked hyperalgesia was not present at screening, it was not rechecked on subsequent visits. |
Arm/Group Title | TV-45070 4% | TV-45070 8% | Placebo |
---|---|---|---|
Arm/Group Description | TV-45070 ointment in a 4% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | TV-45070 ointment in a 8% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | Placebo ointment applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. |
Measure Participants | 100 | 98 | 100 |
Baseline |
2.4
(2.03)
|
3.0
(2.48)
|
2.8
(2.57)
|
Change from baseline at week 2 |
-1.0
(2.02)
|
-1.3
(2.16)
|
-1.1
(1.91)
|
Change from baseline at week 4 |
-1.0
(2.08)
|
-1.5
(2.36)
|
-1.4
(2.00)
|
Statistical Analysis 1
Statistical Analysis Overview | Comparison Group Selection | TV-45070 4%, Placebo |
---|---|---|
Comments | Change from baseline at week 2 The inferential model includes study center, week, treatment, and treatment by week interaction as the fixed factors; baseline as a covariate and unstructured variance-covariance structure in the initial model. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.563 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | -0.2 | |
Confidence Interval |
(2-Sided) 95% -0.75 to 0.41 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 2
Statistical Analysis Overview | Comparison Group Selection | TV-45070 8%, Placebo |
---|---|---|
Comments | Change from baseline at week 2. The inferential model includes study center, week, treatment, and treatment by week interaction as the fixed factors; baseline as a covariate and unstructured variance-covariance structure in the initial model. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.804 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | -0.1 | |
Confidence Interval |
(2-Sided) 95% -0.64 to 0.50 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 3
Statistical Analysis Overview | Comparison Group Selection | TV-45070 4%, Placebo |
---|---|---|
Comments | Change from baseline at week 4 The inferential model includes study center, week, treatment, and treatment by week interaction as the fixed factors; baseline as a covariate and unstructured variance-covariance structure in the initial model. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.714 |
Comments | 5% level of significance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 0.1 | |
Confidence Interval |
(2-Sided) 95% -0.49 to 0.71 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Statistical Analysis 4
Statistical Analysis Overview | Comparison Group Selection | TV-45070 8%, Placebo |
---|---|---|
Comments | Change from baseline at week 4. The inferential model includes study center, week, treatment, and treatment by week interaction as the fixed factors; baseline as a covariate and unstructured variance-covariance structure in the initial model. | |
Type of Statistical Test | Superiority | |
Comments | ||
Statistical Test of Hypothesis | p-Value | 0.871 |
Comments | 5% level of siignificance | |
Method | mixed model for repeated measures | |
Comments | ||
Method of Estimation | Estimation Parameter | LSM difference from placebo |
Estimated Value | 0.0 | |
Confidence Interval |
(2-Sided) 95% -0.64 to 0.55 |
|
Parameter Dispersion |
Type: Value: |
|
Estimation Comments |
Title | Participants With Treatment-Emergent Adverse Events |
---|---|
Description | An adverse event was defined as any untoward medical occurrence that develops or worsens in severity during the conduct of a clinical study and does not necessarily have a causal relationship to the study drug. Severity was rated by the investigator on a scale of mild, moderate and severe, with severe= an AE which prevents normal daily activities. Relationship of AE to treatment was determined by the investigator. Serious AEs include death, a life-threatening adverse event, inpatient hospitalization or prolongation of existing hospitalization, persistent or significant disability or incapacity, a congenital anomaly or birth defect, OR an important medical event that jeopardized the patient and required medical intervention to prevent the previously listed serious outcomes. |
Time Frame | day 1 up to day 57 |
Outcome Measure Data
Analysis Population Description |
---|
Safety population |
Arm/Group Title | TV-45070 4% | TV-45070 8% | Placebo |
---|---|---|---|
Arm/Group Description | TV-45070 ointment in a 4% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | TV-45070 ointment in a 8% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | Placebo ointment applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. |
Measure Participants | 100 | 98 | 100 |
Any treatment-emergent adverse event |
15
15%
|
32
32%
|
24
24%
|
Severe TEAE |
0
0%
|
1
1%
|
0
0%
|
Treatment-related TEAE |
5
5%
|
10
10%
|
11
11%
|
Deaths |
0
0%
|
0
0%
|
0
0%
|
Serious TEAE |
0
0%
|
1
1%
|
0
0%
|
Withdrawn from treatment due to TEAE |
4
4%
|
4
4%
|
3
3%
|
Adverse Events
Time Frame | day 1 up to day 57 | |||||
---|---|---|---|---|---|---|
Adverse Event Reporting Description | ||||||
Arm/Group Title | TV-45070 4% | TV-45070 (8%) | Placebo | |||
Arm/Group Description | TV-45070 ointment in a 4% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | TV-45070 ointment in a 8% strength applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | Placebo ointment applied topically twice daily to the area of postherpetic neuralgia (PHN) pain during the treatment period from days 1 through 28. | |||
All Cause Mortality |
||||||
TV-45070 4% | TV-45070 (8%) | Placebo | ||||
Affected / at Risk (%) | # Events | Affected / at Risk (%) | # Events | Affected / at Risk (%) | # Events | |
Total | 0/100 (0%) | 0/98 (0%) | 0/100 (0%) | |||
Serious Adverse Events |
||||||
TV-45070 4% | TV-45070 (8%) | Placebo | ||||
Affected / at Risk (%) | # Events | Affected / at Risk (%) | # Events | Affected / at Risk (%) | # Events | |
Total | 0/100 (0%) | 1/98 (1%) | 0/100 (0%) | |||
Respiratory, thoracic and mediastinal disorders | ||||||
Acute respiratory failure | 0/100 (0%) | 0 | 1/98 (1%) | 1 | 0/100 (0%) | 0 |
Other (Not Including Serious) Adverse Events |
||||||
TV-45070 4% | TV-45070 (8%) | Placebo | ||||
Affected / at Risk (%) | # Events | Affected / at Risk (%) | # Events | Affected / at Risk (%) | # Events | |
Total | 2/100 (2%) | 5/98 (5.1%) | 1/100 (1%) | |||
General disorders | ||||||
Application site erythema | 2/100 (2%) | 3 | 5/98 (5.1%) | 5 | 1/100 (1%) | 2 |
Limitations/Caveats
More Information
Certain Agreements
Principal Investigators are NOT employed by the organization sponsoring the study.
Sponsor has the right 60 days before submission for publication to review/provide comments. If the Sponsor's review shows that potentially patentable subject matter would be disclosed, publication or public disclosure shall be delayed for up to 90 additional days in order for the Sponsor, or Sponsor's designees, to file the necessary patent applications. In multicenter trials, each PI will postpone single center publications until after disclosure or publication of multicenter data.
Results Point of Contact
Name/Title | Director, Clinical Research |
---|---|
Organization | Teva Branded Pharmaceutical Products, R&D Inc |
Phone | 1-888-483-8279 |
USMedInfo@tevapharm.com |
- TV-45070-CNS-20013