ENABLE-ALL: Clinical Trial for Non-responders Who Previously Participated in Eltrombopag Studies TPL 103922 or TPL 108390

Sponsor
GlaxoSmithKline (Industry)
Overall Status
Completed
CT.gov ID
NCT00996216
Collaborator
(none)
27
28
1
41
1
0

Study Details

Study Description

Brief Summary

The purpose of this study is to test the safety and tolerability of eltrombopag when used to increase and maintain platelet count. Platelet count to be maintained at a level sufficient to facilitate initiation of antiviral therapy, to minimize antiviral therapy dose reductions, and to avoid permanent discontinuation of antiviral therapy.

Condition or Disease Intervention/Treatment Phase
Phase 3

Study Design

Study Type:
Interventional
Actual Enrollment :
27 participants
Allocation:
Non-Randomized
Intervention Model:
Single Group Assignment
Masking:
None (Open Label)
Primary Purpose:
Treatment
Official Title:
An Open-label, Multi-centre Rollover Study to Assess the Safety and Efficacy of Eltrombopag in Thrombocytopenic Subjects With Hepatitis C Virus (HCV) Infection Who Are Otherwise Eligible to Initiate Antiviral Therapy (Peginterferon Alfa-2a or Peginterferon Alfa-2b Plus Ribavirin)
Study Start Date :
Sep 1, 2009
Actual Primary Completion Date :
Feb 1, 2013
Actual Study Completion Date :
Feb 1, 2013

Arms and Interventions

Arm Intervention/Treatment
Experimental: Open-label eltrombopag

Open-label eltrombopag with dose titrations to support adequate platelet counts.

Drug: Eltrombopag
Eltrombopag starting at 25 mg dose and titrated in Part 1 of study to 50, 75, 100 mg. Platelet count must reach sufficient level to allow initiation of antiviral therapy. Eltrombopag dose may be adjusted during antiviral treatment phase of study to maintain platelet count to continue antiviral therapy without adjustment to antiviral dose.
Other Names:
  • Promacta
  • Drug: Antiviral therapy
    Combination of either peginterferon alfa-2a or alfa-2b with ribavirin at investigator's discretion.

    Outcome Measures

    Primary Outcome Measures

    1. Number of Participants With Any Adverse Event (AE) and Any Serious Adverse Event (SAE) in Part 1 [From the start of investigational product up to the start of antiviral therapy (up to 9 weeks; median of 21 days)]

      An AE is defined as any untoward medical occurrence in a participant or clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a medicinal product. An SAE is defined as any untoward medical occurrence that, at any dose, results in death, is life threatening, requires hospitalization or prolongation of existing hospitalization, results in disability/incapacity, is a congenital anomaly/birth defect, may jeopardize the participant or require medical or surgical intervention to prevent one of the other outcomes listed, or is an event of possible drug-induced liver injury. Refer to the general AE/SAE module for a list of AEs and SAEs.

    2. Number of Participants With Any AE and Any SAE in Part 2 [From the date of initiation of antiviral therapy (Antiviral Baseline Visit [between Study Day 14 and Study Day 65]) to the completion of the follow-up period (up to Week 96/WD)]

      An AE is defined as any untoward medical occurrence in a participant or clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a medicinal product. An SAE is defined as any untoward medical occurrence that, at any dose, results in death, is life threatening, requires hospitalization or prolongation of existing hospitalization, results in disability/incapacity, is a congenital anomaly/birth defect, may jeopardize the participant or require medical or surgical intervention to prevent one of the other outcomes listed, or is an event of possible drug-induced liver injury. Refer to the general AE/SAE module for a list of AEs and SAEs.

    3. Number of Participants With the Indicated Worst-case Division of Acquired Immune Deficiency Syndrome (DAIDS) Grade Increases From Screening for the Indicated Clinical Chemistry Parameters During Part 1 [From Screening up to the start of antiviral therapy (up to 9 weeks; median of 21 days)]

      Blood samples were collected for the measurement of clinical chemistry parameters. The DAIDS grades are utilized for measuring the severity of AEs. Grade 1, mild; Grade 2, moderate; Grade 3, severe; Grade 4, potentially life threatening.

    4. Number of Participants With the Indicated Worst-case DAIDS Grade Increases From the Antiviral Baseline Visit for the Indicated Clinical Chemistry Parameter During Part 2 [From Day 0 of Part 2 (Antiviral Baseline Visit [between Study Day 14 and Study Day 65) to the completion of the follow-up period (up to Week 96/WD)]

      Blood samples were collected for the measurement of clinical chemistry parameters. The DAIDS grades are utilized for measuring the severity of AEs. Grade 1, mild; Grade 2, moderate; Grade 3, severe; Grade 4, potentially life threatening.

    5. Number of Participants With the Indicated Worst-case DAIDS Grade Increases From Screening for the Indicated Hematology Parameters During Part 1 [From Screening up to the start of antiviral therapy (up to 9 weeks; median of 21 days)]

      Blood samples were collected for the measurement of hematology parameters. The DAIDS grades are utilized for measuring the severity of AEs. Grade 1, mild; Grade 2, moderate; Grade 3, severe; Grade 4, potentially life threatening.

    6. Number of Participants With the Indicated Worst-case DAIDS Grade Increases From the Antiviral Baseline Visit for the Indicated Hematology Parameters During Part 2 [From Day 0 of Part 2 (Antiviral Baseline Visit [between Study Day 14 and Study Day 65) to the completion of the follow-up period (up to Week 96/WD)]

      Blood samples were collected for the measurement of hematology chemistry parameters. The DAIDS grades are utilized for measuring the severity of AEs. Grade 1, mild; Grade 2, moderate; Grade 3, severe; Grade 4, potentially life threatening.

    7. Number of Participants With a Decrease in Visual Acuity During Parts 1 and 2 [From the start of investigational product up to the 24-week follow-up visit after the last dose in Part 2 or early withdrawal (up to 96 weeks)]

      Visual acuity (VA) is defined as acuteness or clearness of vision.

    8. Number of Participants With the Indicated Change in logMAR Scale Values During Parts 1 and 2 [From the start of investigational product up to the 24-week follow-up visit after the last dose in Part 2 or early withdrawal (up to 96 weeks)]

      LogMAR (logarithm of the minimum angle of resolution) charts are used to measure an individual's visual acuity. LogMAR, expressed as the (decadic) logarithm of the minimum angle of resolution (range from +1.00 to -0.30), converts the geometric sequence of a traditional chart to a linear scale. As there are 5 letters per line, the total score for a line on the LogMAR chart represents a change of 0.1 log units.

    9. Number of Participants With a logMAR Change >=0.15 During Parts 1 and 2 [From the start of investigational product up to the 24-week follow-up visit after the last dose in Part 2 or early withdrawal (up to 96 weeks)]

      LogMAR (logarithm of the minimum angle of resolution) charts are used to measure an individual's visual acuity. LogMAR, expressed as the (decadic) logarithm of the minimum angle of resolution (range from +1.00 to -0.30), converts the geometric sequence of a traditional chart to a linear scale. As there are 5 letters per line, the total score for a line on the LogMAR chart represents a change of 0.1 log units.

    Secondary Outcome Measures

    1. Platelet Counts at the Indicated Time Points [From the start of investigational product up to the 24-week follow-up visit after the last dose in Part 2 or early withdrawal (up to 96 weeks)]

      Blood samples were collected for the measurement of platelet count. For each participant, the duration of Part 1 treatment varies between 2 and 9 weeks.

    2. Number of Particpants Who Initiated Antiviral Therapy [From the start of the investigational product up to 9 weeks (median of 21 days)]

      The number of participants who completed the Pre-antiviral Phase (Part 1) and proceeded to the Antiviral Phase (Part 2) are summarized.

    3. Number of Participants Achieving Antiviral Treatment Milestones of Sustained Virological Response (SVR), Rapid Virological Response (RVR), Early Virological Response (EVR), and End of Treatment Response (ETR) [From the start of investigational product in Part 2 up to the 24-week follow-up visit after the last dose in Part 2 or early withdrawal (up to 96 weeks)]

      SVR is defined as non-detectable Hepatitis C virus (HCV) ribonucleic acid (RNA) at 24 weeks post-completion of the planned treatment period (i.e., Week 48 or 72 for genotype 2/3 or Week 72 for non-genotype 2/3). RVR is defined as undetectable HCV RNA after 4 weeks of antiviral treatment. EVR is defined as clinically significant reduction in HCV RNA (>=2 log10 drop or undetectable) after 12 weeks of antiviral treatment. ETR is defined as undetectable HCV RNA at the end of antiviral treatment.

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    18 Years and Older
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    No
    Inclusion Criteria:
    • Prior participation in protocol TPL103922 or TPL108390 and completed the Week 24 Follow Up Visit in TPL103922 or TPL108390

    • Male or female ≥18 years old

    • Evidence of chronic HCV infection

    • While participating in TPL103922 or TPL108390, discontinued from study drug due to thrombocytopenia

    • Appropriate candidate for antiviral therapy with pegylated interferon plus ribavirin

    • Platelet count <75,000

    • Fertile males and females must use two forms of effective contraception during treatment and for 24 weeks after treatment

    • Ability to understand and comply with the protocol requirements and instructions

    • Ability to provide written informed consent

    Exclusion Criteria:
    • Decompensated liver disease

    • Known hypersensitivity, intolerance, or allergy to interferon, ribavirin, eltrombopag, or their ingredients

    • History of clinically significant bleeding from oesophageal or gastric varices

    • History of arterial or venous thrombosis and two or more of the following risk factors: hereditary thrombophilic disorders; hormone replacement therapy; systemic contraception (containing estrogen); smoking; diabetes; hypercholesterolemia; medication for hypertension or cancer

    • Pre-existing cardiac disease (congestive heart failure Grade III/IV) or arrhythmias known to involve the risk of thromboembolic events (e.g. atrial fibrillation)

    • Evidence of hepatocellular carcinoma

    • HIV or Hepatitis B infection

    • Therapy with anti-neoplastic or immunomodulatory treatment within six months prior to eltrombopag therapy

    • Malignancy diagnosed or treated within the past five years. Except for localized basal or squamous cell carcinoma treated by local excision or malignancies that were adequately treated and, in the opinion of the oncologist, have an excellent chance of cancer-free survival.

    • Pregnant or nursing women

    • Men with a female partner who is pregnant

    • History of alcohol/drug abuse or dependence within six months of the study start unless participating in a controlled rehabilitation programme.

    • Treatment with an investigational drug or interferon within 30 days or 5 half-lives (whichever is longer) of the screening visit

    • History or platelet clumping that prevents reliable measurement of platelet counts

    • Evidence of portal vein thrombosis within three months of baseline visit

    Contacts and Locations

    Locations

    Site City State Country Postal Code
    1 GSK Investigational Site San Diego California United States 92123
    2 GSK Investigational Site New Haven Connecticut United States 06520
    3 GSK Investigational Site Honolulu Hawaii United States 96817
    4 GSK Investigational Site Manhasset New York United States 11030
    5 GSK Investigational Site Nashville Tennessee United States 37212
    6 GSK Investigational Site Seattle Washington United States 98111
    7 GSK Investigational Site Camperdown New South Wales Australia 2050
    8 GSK Investigational Site Randwick New South Wales Australia 2031
    9 GSK Investigational Site Herston Queensland Australia 4029
    10 GSK Investigational Site Toronto Ontario Canada M5G 2N2
    11 GSK Investigational Site Montreal Quebec Canada H2X 3J4
    12 GSK Investigational Site Marseille Cedex 08 France 13285
    13 GSK Investigational Site Nice cedex 3 France 06202
    14 GSK Investigational Site Pessac Cedex France 33604
    15 GSK Investigational Site Freiburg Baden-Wuerttemberg Germany 79106
    16 GSK Investigational Site Ulm Baden-Wuerttemberg Germany 89081
    17 GSK Investigational Site Muenchen Bayern Germany 81675
    18 GSK Investigational Site Duesseldorf Nordrhein-Westfalen Germany 40225
    19 GSK Investigational Site Berlin Germany 10969
    20 GSK Investigational Site Athens Greece 10676
    21 GSK Investigational Site Bologna Emilia-Romagna Italy 40138
    22 GSK Investigational Site Genova Liguria Italy 16132
    23 GSK Investigational Site Milano Lombardia Italy 20157
    24 GSK Investigational Site Lahore Pakistan 54600
    25 GSK Investigational Site La Coruña Spain 15006
    26 GSK Investigational Site Madrid Spain 28029
    27 GSK Investigational Site Pontevedra Spain 36071
    28 GSK Investigational Site Valencia Spain 46010

    Sponsors and Collaborators

    • GlaxoSmithKline

    Investigators

    • Study Director: GSK Clinical Trials, GlaxoSmithKline

    Study Documents (Full-Text)

    None provided.

    More Information

    Publications

    None provided.
    Responsible Party:
    GlaxoSmithKline
    ClinicalTrials.gov Identifier:
    NCT00996216
    Other Study ID Numbers:
    • 108392
    First Posted:
    Oct 16, 2009
    Last Update Posted:
    Dec 6, 2013
    Last Verified:
    Aug 1, 2013

    Study Results

    Participant Flow

    Recruitment Details 10^9 cells (Giga) per liter=Gi/L; participants=par.; polyethylene glycol=Peg; interferon=INF.
    Pre-assignment Detail In Part (P) 1, the treatment goal was to increase the platelet count to >=90 Gi/L. In P 2, par. continued on the selected P 1 dose of eltrombopag (dose effectively raising platelets to >=90 or >=100 Gi/L). Eltrombopag was given in combination with antiviral therapy (Peg INF alfa-2a or Peg INF alfa-2b and ribavirin) for the duration of treatment.
    Arm/Group Title Eltrombopag
    Arm/Group Description In the Pre-antiviral Treatment Phase, participants (par.) with a platelet count of <75000/microliter (µL) received eltrombopag once daily for a minimum of 2 weeks and a maximum of 9 weeks in sequential dose escalations (25 milligrams [mg] for a minimum of 2 weeks, 50 mg for 1-2 weeks, 75 mg for 1-2 weeks, and 100 mg for 1-3 weeks) until platelet counts reached either >=90000/µL or 100000/µL. Par. who achieved the desired platelet count continued with eltrombopag in Part 2 along with antiviral treatment. Par. who did not achieve the desired platelet count completed the follow-up visits and were withdrawn from the study. Once the desired platelet counts were reached in Part 1 (>=90 Gi/L or >=100 Gi/L), par. continued to receive the dose of eltrombopag from Part 1 and polyethylene glycol (Peg) interferon (INF) alfa-2a (>=90 Gi/L) or Peg IFN alfa-2b (>=100 Gi/L) plus ribavirin. Dose adjustments of eltrombopag were permitted to achieve and maintain an appropriate platelet count.
    Period Title: Part 1 (Pre-Antiviral Treatment Phase)
    STARTED 27
    COMPLETED 26
    NOT COMPLETED 1
    Period Title: Part 1 (Pre-Antiviral Treatment Phase)
    STARTED 25
    COMPLETED 21
    NOT COMPLETED 4

    Baseline Characteristics

    Arm/Group Title Eltrombopag
    Arm/Group Description In the Pre-antiviral Treatment Phase, participants (par.) with a platelet count of <75000/microliter (µL) received eltrombopag once daily for a minimum of 2 weeks and a maximum of 9 weeks in sequential dose escalations (25 milligrams [mg] for a minimum of 2 weeks, 50 mg for 1-2 weeks, 75 mg for 1-2 weeks, and 100 mg for 1-3 weeks) until platelet counts reached either >=90000/µL or 100000/µL. Par. who achieved the desired platelet count continued with eltrombopag in Part 2 along with antiviral treatment. Par. who did not achieve the desired platelet count completed the follow-up visits and were withdrawn from the study. Once the desired platelet counts were reached in Part 1 (>=90 Gi/L or >=100 Gi/L), par. continued to receive the dose of eltrombopag from Part 1 and polyethylene glycol (Peg) interferon (INF) alfa-2a (>=90 Gi/L) or Peg IFN alfa-2b (>=100 Gi/L) plus ribavirin. Dose adjustments of eltrombopag were permitted to achieve and maintain an appropriate platelet count.
    Overall Participants 27
    Age (Years) [Mean (Standard Deviation) ]
    Mean (Standard Deviation) [Years]
    51.3
    (7.70)
    Sex: Female, Male (Count of Participants)
    Female
    7
    25.9%
    Male
    20
    74.1%
    Race/Ethnicity, Customized (participants) [Number]
    Central/South Asian Heritage
    2
    7.4%
    White
    25
    92.6%

    Outcome Measures

    1. Secondary Outcome
    Title Platelet Counts at the Indicated Time Points
    Description Blood samples were collected for the measurement of platelet count. For each participant, the duration of Part 1 treatment varies between 2 and 9 weeks.
    Time Frame From the start of investigational product up to the 24-week follow-up visit after the last dose in Part 2 or early withdrawal (up to 96 weeks)

    Outcome Measure Data

    Analysis Population Description
    Pre-antiviral Safety Population
    Arm/Group Title Eltrombopag
    Arm/Group Description In the Pre-antiviral Treatment Phase, participants (par.) with a platelet count of <75000/microliter (µL) received eltrombopag once daily for a minimum of 2 weeks and a maximum of 9 weeks in sequential dose escalations (25 milligrams [mg] for a minimum of 2 weeks, 50 mg for 1-2 weeks, 75 mg for 1-2 weeks, and 100 mg for 1-3 weeks) until platelet counts reached either >=90000/µL or 100000/µL. Par. who achieved the desired platelet count continued with eltrombopag in Part 2 along with antiviral treatment. Par. who did not achieve the desired platelet count completed the follow-up visits and were withdrawn from the study. Once the desired platelet counts were reached in Part 1 (>=90 Gi/L or >=100 Gi/L), par. continued to receive the dose of eltrombopag from Part 1 and polyethylene glycol (Peg) interferon (INF) alfa-2a (>=90 Gi/L) or Peg IFN alfa-2b (>=100 Gi/L) plus ribavirin. Dose adjustments of eltrombopag were permitted to achieve and maintain an appropriate platelet count.
    Measure Participants 27
    Screening, n=27
    53.1
    (12.90)
    Part 1/Day 1, n=27
    55.9
    (18.69)
    Part 1/Week 1, n=25
    73.3
    (29.27)
    Part 1/Week 2, n=16
    83.2
    (27.90)
    Part 1/Week 3, n=8
    73.4
    (26.53)
    Part 1/Week 4, n=7
    75.6
    (19.95)
    Part 1/Week 5, n=5
    72.2
    (18.29)
    Part 1/Week 6, n=5
    81.6
    (14.45)
    Part 1/Week 7, n=5
    76.2
    (19.88)
    Part 1/Week 8, n=3
    91.7
    (22.81)
    Part 2/Antiviral Baseline, n=25
    132.9
    (33.72)
    Part 2/Week 1, n=25
    106.7
    (37.80)
    Part 2/Week 2, n=25
    93.2
    (42.98)
    Part 2/Week 4, n=23
    80.5
    (30.64)
    Part 2/Week 8, n=21
    80.3
    (24.40)
    Part 2/Week 12, n=20
    83.1
    (31.72)
    Part 2/Week 16, n=16
    85.8
    (27.61)
    Part 2/Week 20, n=14
    75.3
    (22.54)
    Part 2/Week 24, n=11
    78.6
    (30.63)
    Part 2/Week 28, n=9
    90.3
    (50.09)
    Part 2/Week 32, n=7
    86.1
    (72.12)
    Part 2/Week 36, n=6
    76.8
    (53.77)
    Part 2/Week 40, n=5
    55.8
    (27.65)
    Part 2/Week 44, n=5
    54.4
    (29.18)
    Part 2/Week 48, n=2
    68.0
    (29.70)
    Part 2/Week 52, n=1
    49.0
    (NA)
    Part 2/Week 56, n=1
    47.0
    (NA)
    Part 2/Week 60, n=1
    43.0
    (NA)
    Part 2/Week 64, n=1
    43.0
    (NA)
    Part 2/Week 68, n=1
    44.0
    (NA)
    Post-treatment/4 Week Follow-up, n=23
    77.8
    (33.48)
    Post-treatment/24 Week Follow-up, n=22
    52.5
    (17.91)
    Investigational product discontinuation, n=26
    91.3
    (38.78)
    Maximum value post-Baseline, n=26
    145.5
    (43.68)
    2. Secondary Outcome
    Title Number of Particpants Who Initiated Antiviral Therapy
    Description The number of participants who completed the Pre-antiviral Phase (Part 1) and proceeded to the Antiviral Phase (Part 2) are summarized.
    Time Frame From the start of the investigational product up to 9 weeks (median of 21 days)

    Outcome Measure Data

    Analysis Population Description
    Pre-antiviral Safety Population
    Arm/Group Title Eltrombopag
    Arm/Group Description In the Pre-antiviral Treatment Phase, participants (par.) with a platelet count of <75000/microliter (µL) received eltrombopag once daily for a minimum of 2 weeks and a maximum of 9 weeks in sequential dose escalations (25 milligrams [mg] for a minimum of 2 weeks, 50 mg for 1-2 weeks, 75 mg for 1-2 weeks, and 100 mg for 1-3 weeks) until platelet counts reached either >=90000/µL or 100000/µL. Par. who achieved the desired platelet count continued with eltrombopag in Part 2 along with antiviral treatment. Par. who did not achieve the desired platelet count completed the follow-up visits and were withdrawn from the study. Once the desired platelet counts were reached in Part 1 (>=90 Gi/L or >=100 Gi/L), par. continued to receive the dose of eltrombopag from Part 1 and polyethylene glycol (Peg) interferon (INF) alfa-2a (>=90 Gi/L) or Peg IFN alfa-2b (>=100 Gi/L) plus ribavirin. Dose adjustments of eltrombopag were permitted to achieve and maintain an appropriate platelet count.
    Measure Participants 27
    Yes
    25
    92.6%
    No
    2
    7.4%
    3. Primary Outcome
    Title Number of Participants With Any Adverse Event (AE) and Any Serious Adverse Event (SAE) in Part 1
    Description An AE is defined as any untoward medical occurrence in a participant or clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a medicinal product. An SAE is defined as any untoward medical occurrence that, at any dose, results in death, is life threatening, requires hospitalization or prolongation of existing hospitalization, results in disability/incapacity, is a congenital anomaly/birth defect, may jeopardize the participant or require medical or surgical intervention to prevent one of the other outcomes listed, or is an event of possible drug-induced liver injury. Refer to the general AE/SAE module for a list of AEs and SAEs.
    Time Frame From the start of investigational product up to the start of antiviral therapy (up to 9 weeks; median of 21 days)

    Outcome Measure Data

    Analysis Population Description
    Pre-antiviral Safety Population: all participants who received study drug in the Pre-antiviral Treatment Phase (Part 1) of the study
    Arm/Group Title Eltrombopag
    Arm/Group Description In the Pre-antiviral Treatment Phase, participants (par.) with a platelet count of <75000/microliter (µL) received eltrombopag once daily for a minimum of 2 weeks and a maximum of 9 weeks in sequential dose escalations (25 milligrams [mg] for a minimum of 2 weeks, 50 mg for 1-2 weeks, 75 mg for 1-2 weeks, and 100 mg for 1-3 weeks) until platelet counts reached either >=90000/µL or 100000/µL. Par. who achieved the desired platelet count continued with eltrombopag in Part 2 along with antiviral treatment. Par. who did not achieve the desired platelet count completed the follow-up visits and were withdrawn from the study. Once the desired platelet counts were reached in Part 1 (>=90 Gi/L or >=100 Gi/L), par. continued to receive the dose of eltrombopag from Part 1 and polyethylene glycol (Peg) interferon (INF) alfa-2a (>=90 Gi/L) or Peg IFN alfa-2b (>=100 Gi/L) plus ribavirin. Dose adjustments of eltrombopag were permitted to achieve and maintain an appropriate platelet count.
    Measure Participants 27
    Any SAE
    0
    0%
    Any AE
    9
    33.3%
    4. Primary Outcome
    Title Number of Participants With Any AE and Any SAE in Part 2
    Description An AE is defined as any untoward medical occurrence in a participant or clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a medicinal product. An SAE is defined as any untoward medical occurrence that, at any dose, results in death, is life threatening, requires hospitalization or prolongation of existing hospitalization, results in disability/incapacity, is a congenital anomaly/birth defect, may jeopardize the participant or require medical or surgical intervention to prevent one of the other outcomes listed, or is an event of possible drug-induced liver injury. Refer to the general AE/SAE module for a list of AEs and SAEs.
    Time Frame From the date of initiation of antiviral therapy (Antiviral Baseline Visit [between Study Day 14 and Study Day 65]) to the completion of the follow-up period (up to Week 96/WD)

    Outcome Measure Data

    Analysis Population Description
    Antiviral Safety Population: all participants who entered the Antiviral Treatment Phase (Part 2) of the study and who received at least one dose of antiviral therapy
    Arm/Group Title Eltrombopag
    Arm/Group Description In the Pre-antiviral Treatment Phase, participants (par.) with a platelet count of <75000/microliter (µL) received eltrombopag once daily for a minimum of 2 weeks and a maximum of 9 weeks in sequential dose escalations (25 milligrams [mg] for a minimum of 2 weeks, 50 mg for 1-2 weeks, 75 mg for 1-2 weeks, and 100 mg for 1-3 weeks) until platelet counts reached either >=90000/µL or 100000/µL. Par. who achieved the desired platelet count continued with eltrombopag in Part 2 along with antiviral treatment. Par. who did not achieve the desired platelet count completed the follow-up visits and were withdrawn from the study. Once the desired platelet counts were reached in Part 1 (>=90 Gi/L or >=100 Gi/L), par. continued to receive the dose of eltrombopag from Part 1 and polyethylene glycol (Peg) interferon (INF) alfa-2a (>=90 Gi/L) or Peg IFN alfa-2b (>=100 Gi/L) plus ribavirin. Dose adjustments of eltrombopag were permitted to achieve and maintain an appropriate platelet count.
    Measure Participants 25
    Any SAE
    5
    18.5%
    Any AE
    25
    92.6%
    5. Primary Outcome
    Title Number of Participants With the Indicated Worst-case Division of Acquired Immune Deficiency Syndrome (DAIDS) Grade Increases From Screening for the Indicated Clinical Chemistry Parameters During Part 1
    Description Blood samples were collected for the measurement of clinical chemistry parameters. The DAIDS grades are utilized for measuring the severity of AEs. Grade 1, mild; Grade 2, moderate; Grade 3, severe; Grade 4, potentially life threatening.
    Time Frame From Screening up to the start of antiviral therapy (up to 9 weeks; median of 21 days)

    Outcome Measure Data

    Analysis Population Description
    Pre-antiviral Safety Population. Only participants with data available at the specified time point were analyzed.
    Arm/Group Title Eltrombopag
    Arm/Group Description In the Pre-antiviral Treatment Phase, participants (par.) with a platelet count of <75000/microliter (µL) received eltrombopag once daily for a minimum of 2 weeks and a maximum of 9 weeks in sequential dose escalations (25 milligrams [mg] for a minimum of 2 weeks, 50 mg for 1-2 weeks, 75 mg for 1-2 weeks, and 100 mg for 1-3 weeks) until platelet counts reached either >=90000/µL or 100000/µL. Par. who achieved the desired platelet count continued with eltrombopag in Part 2 along with antiviral treatment. Par. who did not achieve the desired platelet count completed the follow-up visits and were withdrawn from the study. Once the desired platelet counts were reached in Part 1 (>=90 Gi/L or >=100 Gi/L), par. continued to receive the dose of eltrombopag from Part 1 and polyethylene glycol (Peg) interferon (INF) alfa-2a (>=90 Gi/L) or Peg IFN alfa-2b (>=100 Gi/L) plus ribavirin. Dose adjustments of eltrombopag were permitted to achieve and maintain an appropriate platelet count.
    Measure Participants 26
    Alanine amino transferase, Any Increase
    2
    7.4%
    Alanine amino transferase, Increase to Grade 1
    1
    3.7%
    Alanine amino transferase, Increase to Grade 2
    0
    0%
    Alanine amino transferase, Increase to Grade 3
    1
    3.7%
    Alanine amino transferase, Increase to Grade 4
    0
    0%
    Albumin, Any Increase
    1
    3.7%
    Albumin, Increase to Grade 1
    1
    3.7%
    Albumin, Increase to Grade 2
    0
    0%
    Albumin, Increase to Grade 3
    0
    0%
    Albumin, Increase to Grade 4
    0
    0%
    Alkaline phosphatase, Any Increase
    1
    3.7%
    Alkaline phosphatase, Increase to Grade 1
    1
    3.7%
    Alkaline phosphatase, Increase to Grade 2
    0
    0%
    Alkaline phosphatase, Increase to Grade 3
    0
    0%
    Alkaline phosphatase, Increase to Grade 4
    0
    0%
    Aspartate amino transferase, Any Increase
    2
    7.4%
    Aspartate amino transferase, Increase to Grade 1
    2
    7.4%
    Aspartate amino transferase, Increase to Grade 2
    0
    0%
    Aspartate amino transferase, Increase to Grade 3
    0
    0%
    Aspartate amino transferase, Increase to Grade 4
    0
    0%
    Creatinine, Any Increase
    0
    0%
    Creatinine, Increase to Grade 1
    0
    0%
    Creatinine, Increase to Grade 2
    0
    0%
    Creatinine, Increase to Grade 3
    0
    0%
    Creatinine, Increase to Grade 4
    0
    0%
    Total bilirubin, Any Increase
    10
    37%
    Total bilirubin, Increase to Grade 1
    6
    22.2%
    Total bilirubin, Increase to Grade 2
    4
    14.8%
    Total bilirubin, Increase to Grade 3
    0
    0%
    Total bilirubin, Increase to Grade 4
    0
    0%
    Uric acid, Any Increase
    3
    11.1%
    Uric acid, Increase to Grade 1
    3
    11.1%
    Uric acid, Increase to Grade 2
    0
    0%
    Uric acid, Increase to Grade 3
    0
    0%
    Uric acid, Increase to Grade 4
    0
    0%
    6. Primary Outcome
    Title Number of Participants With the Indicated Worst-case DAIDS Grade Increases From the Antiviral Baseline Visit for the Indicated Clinical Chemistry Parameter During Part 2
    Description Blood samples were collected for the measurement of clinical chemistry parameters. The DAIDS grades are utilized for measuring the severity of AEs. Grade 1, mild; Grade 2, moderate; Grade 3, severe; Grade 4, potentially life threatening.
    Time Frame From Day 0 of Part 2 (Antiviral Baseline Visit [between Study Day 14 and Study Day 65) to the completion of the follow-up period (up to Week 96/WD)

    Outcome Measure Data

    Analysis Population Description
    Antiviral Safety Population
    Arm/Group Title Eltrombopag
    Arm/Group Description In the Pre-antiviral Treatment Phase, participants (par.) with a platelet count of <75000/microliter (µL) received eltrombopag once daily for a minimum of 2 weeks and a maximum of 9 weeks in sequential dose escalations (25 milligrams [mg] for a minimum of 2 weeks, 50 mg for 1-2 weeks, 75 mg for 1-2 weeks, and 100 mg for 1-3 weeks) until platelet counts reached either >=90000/µL or 100000/µL. Par. who achieved the desired platelet count continued with eltrombopag in Part 2 along with antiviral treatment. Par. who did not achieve the desired platelet count completed the follow-up visits and were withdrawn from the study. Once the desired platelet counts were reached in Part 1 (>=90 Gi/L or >=100 Gi/L), par. continued to receive the dose of eltrombopag from Part 1 and polyethylene glycol (Peg) interferon (INF) alfa-2a (>=90 Gi/L) or Peg IFN alfa-2b (>=100 Gi/L) plus ribavirin. Dose adjustments of eltrombopag were permitted to achieve and maintain an appropriate platelet count.
    Measure Participants 25
    Alanine amino transferase, Any Increase
    4
    14.8%
    Alanine amino transferase, Increase to Grade 1
    3
    11.1%
    Alanine amino transferase, Increase to Grade 2
    0
    0%
    Alanine amino transferase, Increase to Grade 3
    1
    3.7%
    Alanine amino transferase, Increase to Grade 4
    0
    0%
    Albumin, Any Increase
    9
    33.3%
    Albumin, Increase to Grade 1
    4
    14.8%
    Albumin, Increase to Grade 2
    5
    18.5%
    Albumin, Increase to Grade 3
    0
    0%
    Albumin, Increase to Grade 4
    0
    0%
    Alkaline phosphatase, Any Increase
    7
    25.9%
    Alkaline phosphatase, Increase to Grade 1
    7
    25.9%
    Alkaline phosphatase, Increase to Grade 2
    0
    0%
    Alkaline phosphatase, Increase to Grade 3
    0
    0%
    Alkaline phosphatase, Increase to Grade 4
    0
    0%
    Aspartate amino transferase, Any Increase
    9
    33.3%
    Aspartate amino transferase, Increase to Grade 1
    1
    3.7%
    Aspartate amino transferase, Increase to Grade 2
    8
    29.6%
    Aspartate amino transferase, Increase to Grade 3
    0
    0%
    Aspartate amino transferase, Increase to Grade 4
    0
    0%
    Creatinine, Any Increase
    1
    3.7%
    Creatinine, Increase to Grade 1
    0
    0%
    Creatinine, Increase to Grade 2
    0
    0%
    Creatinine, Increase to Grade 3
    1
    3.7%
    Creatinine, Increase to Grade 4
    0
    0%
    Total bilirubin, Any Increase
    16
    59.3%
    Total bilirubin, Increase to Grade 1
    1
    3.7%
    Total bilirubin, Increase to Grade 2
    5
    18.5%
    Total bilirubin, Increase to Grade 3
    10
    37%
    Total bilirubin, Increase to Grade 4
    0
    0%
    Uric acid, Any Increase
    5
    18.5%
    Uric acid, Increase to Grade 1
    4
    14.8%
    Uric acid, Increase to Grade 2
    1
    3.7%
    Uric acid, Increase to Grade 3
    0
    0%
    Uric acid, Increase to Grade 4
    0
    0%
    7. Primary Outcome
    Title Number of Participants With the Indicated Worst-case DAIDS Grade Increases From Screening for the Indicated Hematology Parameters During Part 1
    Description Blood samples were collected for the measurement of hematology parameters. The DAIDS grades are utilized for measuring the severity of AEs. Grade 1, mild; Grade 2, moderate; Grade 3, severe; Grade 4, potentially life threatening.
    Time Frame From Screening up to the start of antiviral therapy (up to 9 weeks; median of 21 days)

    Outcome Measure Data

    Analysis Population Description
    Pre-antiviral Safety Population. Only participants with data available at the specified time point were analyzed.
    Arm/Group Title Eltrombopag
    Arm/Group Description In the Pre-antiviral Treatment Phase, participants (par.) with a platelet count of <75000/microliter (µL) received eltrombopag once daily for a minimum of 2 weeks and a maximum of 9 weeks in sequential dose escalations (25 milligrams [mg] for a minimum of 2 weeks, 50 mg for 1-2 weeks, 75 mg for 1-2 weeks, and 100 mg for 1-3 weeks) until platelet counts reached either >=90000/µL or 100000/µL. Par. who achieved the desired platelet count continued with eltrombopag in Part 2 along with antiviral treatment. Par. who did not achieve the desired platelet count completed the follow-up visits and were withdrawn from the study. Once the desired platelet counts were reached in Part 1 (>=90 Gi/L or >=100 Gi/L), par. continued to receive the dose of eltrombopag from Part 1 and polyethylene glycol (Peg) interferon (INF) alfa-2a (>=90 Gi/L) or Peg IFN alfa-2b (>=100 Gi/L) plus ribavirin. Dose adjustments of eltrombopag were permitted to achieve and maintain an appropriate platelet count.
    Measure Participants 26
    Hemoglobin, Any Increase
    2
    7.4%
    Hemoglobin, Increase to Grade 1
    2
    7.4%
    Hemoglobin, Increase to Grade 2
    0
    0%
    Hemoglobin, Increase to Grade 3
    0
    0%
    Hemoglobin, Increase to Grade 4
    0
    0%
    Lymphocytes, Any Increase
    3
    11.1%
    Lymphocytes, Increase to Grade 1
    1
    3.7%
    Lymphocytes, Increase to Grade 2
    1
    3.7%
    Lymphocytes, Increase to Grade 3
    1
    3.7%
    Lymphocytes, Increase to Grade 4
    0
    0%
    Total neutrophils, Any Increase
    3
    11.1%
    Total neutrophils, Increase to Grade 1
    3
    11.1%
    Total neutrophils, Increase to Grade 2
    0
    0%
    Total neutrophils, Increase to Grade 3
    0
    0%
    Total neutrophils, Increase to Grade 4
    0
    0%
    White Blood cell count, Any Increase
    2
    7.4%
    White Blood cell count, Increase to Grade 1
    0
    0%
    White Blood cell count, Increase to Grade 2
    2
    7.4%
    White Blood cell count, Increase to Grade 3
    0
    0%
    White Blood cell count, Increase to Grade 4
    0
    0%
    8. Primary Outcome
    Title Number of Participants With the Indicated Worst-case DAIDS Grade Increases From the Antiviral Baseline Visit for the Indicated Hematology Parameters During Part 2
    Description Blood samples were collected for the measurement of hematology chemistry parameters. The DAIDS grades are utilized for measuring the severity of AEs. Grade 1, mild; Grade 2, moderate; Grade 3, severe; Grade 4, potentially life threatening.
    Time Frame From Day 0 of Part 2 (Antiviral Baseline Visit [between Study Day 14 and Study Day 65) to the completion of the follow-up period (up to Week 96/WD)

    Outcome Measure Data

    Analysis Population Description
    Antiviral Safety Population
    Arm/Group Title Eltrombopag
    Arm/Group Description In the Pre-antiviral Treatment Phase, participants (par.) with a platelet count of <75000/microliter (µL) received eltrombopag once daily for a minimum of 2 weeks and a maximum of 9 weeks in sequential dose escalations (25 milligrams [mg] for a minimum of 2 weeks, 50 mg for 1-2 weeks, 75 mg for 1-2 weeks, and 100 mg for 1-3 weeks) until platelet counts reached either >=90000/µL or 100000/µL. Par. who achieved the desired platelet count continued with eltrombopag in Part 2 along with antiviral treatment. Par. who did not achieve the desired platelet count completed the follow-up visits and were withdrawn from the study. Once the desired platelet counts were reached in Part 1 (>=90 Gi/L or >=100 Gi/L), par. continued to receive the dose of eltrombopag from Part 1 and polyethylene glycol (Peg) interferon (INF) alfa-2a (>=90 Gi/L) or Peg IFN alfa-2b (>=100 Gi/L) plus ribavirin. Dose adjustments of eltrombopag were permitted to achieve and maintain an appropriate platelet count.
    Measure Participants 25
    Hemoglobin, Any Increase
    12
    44.4%
    Hemoglobin, Increase to Grade 1
    1
    3.7%
    Hemoglobin, Increase to Grade 2
    5
    18.5%
    Hemoglobin, Increase to Grade 3
    5
    18.5%
    Hemoglobin, Increase to Grade 4
    1
    3.7%
    Lymphocytes, Any Increase
    15
    55.6%
    Lymphocytes, Increase to Grade 1
    1
    3.7%
    Lymphocytes, Increase to Grade 2
    3
    11.1%
    Lymphocytes, Increase to Grade 3
    3
    11.1%
    Lymphocytes, Increase to Grade 4
    8
    29.6%
    Total neutrophils, Any Increase
    23
    85.2%
    Total neutrophils, Increase to Grade 1
    4
    14.8%
    Total neutrophils, Increase to Grade 2
    10
    37%
    Total neutrophils, Increase to Grade 3
    8
    29.6%
    Total neutrophils, Increase to Grade 4
    1
    3.7%
    White Blood Cell count, Any Increase
    20
    74.1%
    White Blood Cell count, Increase to Grade 1
    5
    18.5%
    White Blood Cell count, Increase to Grade 2
    7
    25.9%
    White Blood Cell count, Increase to Grade 3
    7
    25.9%
    White Blood Cell count, Increase to Grade 4
    1
    3.7%
    9. Primary Outcome
    Title Number of Participants With a Decrease in Visual Acuity During Parts 1 and 2
    Description Visual acuity (VA) is defined as acuteness or clearness of vision.
    Time Frame From the start of investigational product up to the 24-week follow-up visit after the last dose in Part 2 or early withdrawal (up to 96 weeks)

    Outcome Measure Data

    Analysis Population Description
    Entire Safety Population: all participants in the Pre-antiviral Safety Population
    Arm/Group Title Eltrombopag
    Arm/Group Description In the Pre-antiviral Treatment Phase, participants (par.) with a platelet count of <75000/microliter (µL) received eltrombopag once daily for a minimum of 2 weeks and a maximum of 9 weeks in sequential dose escalations (25 milligrams [mg] for a minimum of 2 weeks, 50 mg for 1-2 weeks, 75 mg for 1-2 weeks, and 100 mg for 1-3 weeks) until platelet counts reached either >=90000/µL or 100000/µL. Par. who achieved the desired platelet count continued with eltrombopag in Part 2 along with antiviral treatment. Par. who did not achieve the desired platelet count completed the follow-up visits and were withdrawn from the study. Once the desired platelet counts were reached in Part 1 (>=90 Gi/L or >=100 Gi/L), par. continued to receive the dose of eltrombopag from Part 1 and polyethylene glycol (Peg) interferon (INF) alfa-2a (>=90 Gi/L) or Peg IFN alfa-2b (>=100 Gi/L) plus ribavirin. Dose adjustments of eltrombopag were permitted to achieve and maintain an appropriate platelet count.
    Measure Participants 27
    Decrease in Visual Acuity, Yes
    10
    37%
    Decrease in Visual Acuity, No
    15
    55.6%
    Decrease in Visual Acuity, Missing or Unknown
    2
    7.4%
    10. Primary Outcome
    Title Number of Participants With the Indicated Change in logMAR Scale Values During Parts 1 and 2
    Description LogMAR (logarithm of the minimum angle of resolution) charts are used to measure an individual's visual acuity. LogMAR, expressed as the (decadic) logarithm of the minimum angle of resolution (range from +1.00 to -0.30), converts the geometric sequence of a traditional chart to a linear scale. As there are 5 letters per line, the total score for a line on the LogMAR chart represents a change of 0.1 log units.
    Time Frame From the start of investigational product up to the 24-week follow-up visit after the last dose in Part 2 or early withdrawal (up to 96 weeks)

    Outcome Measure Data

    Analysis Population Description
    Entire Safety Population
    Arm/Group Title Eltrombopag
    Arm/Group Description In the Pre-antiviral Treatment Phase, participants (par.) with a platelet count of <75000/microliter (µL) received eltrombopag once daily for a minimum of 2 weeks and a maximum of 9 weeks in sequential dose escalations (25 milligrams [mg] for a minimum of 2 weeks, 50 mg for 1-2 weeks, 75 mg for 1-2 weeks, and 100 mg for 1-3 weeks) until platelet counts reached either >=90000/µL or 100000/µL. Par. who achieved the desired platelet count continued with eltrombopag in Part 2 along with antiviral treatment. Par. who did not achieve the desired platelet count completed the follow-up visits and were withdrawn from the study. Once the desired platelet counts were reached in Part 1 (>=90 Gi/L or >=100 Gi/L), par. continued to receive the dose of eltrombopag from Part 1 and polyethylene glycol (Peg) interferon (INF) alfa-2a (>=90 Gi/L) or Peg IFN alfa-2b (>=100 Gi/L) plus ribavirin. Dose adjustments of eltrombopag were permitted to achieve and maintain an appropriate platelet count.
    Measure Participants 27
    logMAR Changes, <0.10 (No Change or Improvement)
    15
    55.6%
    logMAR Changes, >=0.10 to <0.20 (Loss of 1 Line)
    6
    22.2%
    logMAR Changes, >=0.20 to <0.30 (Loss of 2 Lines)
    3
    11.1%
    logMAR Changes, >=0.30 (Loss of 3 Lines or more)
    1
    3.7%
    logMAR Changes, Missing or Unknown
    2
    7.4%
    11. Primary Outcome
    Title Number of Participants With a logMAR Change >=0.15 During Parts 1 and 2
    Description LogMAR (logarithm of the minimum angle of resolution) charts are used to measure an individual's visual acuity. LogMAR, expressed as the (decadic) logarithm of the minimum angle of resolution (range from +1.00 to -0.30), converts the geometric sequence of a traditional chart to a linear scale. As there are 5 letters per line, the total score for a line on the LogMAR chart represents a change of 0.1 log units.
    Time Frame From the start of investigational product up to the 24-week follow-up visit after the last dose in Part 2 or early withdrawal (up to 96 weeks)

    Outcome Measure Data

    Analysis Population Description
    Entire Safety Population
    Arm/Group Title Eltrombopag
    Arm/Group Description In the Pre-antiviral Treatment Phase, participants (par.) with a platelet count of <75000/microliter (µL) received eltrombopag once daily for a minimum of 2 weeks and a maximum of 9 weeks in sequential dose escalations (25 milligrams [mg] for a minimum of 2 weeks, 50 mg for 1-2 weeks, 75 mg for 1-2 weeks, and 100 mg for 1-3 weeks) until platelet counts reached either >=90000/µL or 100000/µL. Par. who achieved the desired platelet count continued with eltrombopag in Part 2 along with antiviral treatment. Par. who did not achieve the desired platelet count completed the follow-up visits and were withdrawn from the study. Once the desired platelet counts were reached in Part 1 (>=90 Gi/L or >=100 Gi/L), par. continued to receive the dose of eltrombopag from Part 1 and polyethylene glycol (Peg) interferon (INF) alfa-2a (>=90 Gi/L) or Peg IFN alfa-2b (>=100 Gi/L) plus ribavirin. Dose adjustments of eltrombopag were permitted to achieve and maintain an appropriate platelet count.
    Measure Participants 27
    logMAR change, Yes
    4
    14.8%
    logMAR change, No
    21
    77.8%
    logMAR change, Missing or Unknown
    2
    7.4%
    12. Secondary Outcome
    Title Number of Participants Achieving Antiviral Treatment Milestones of Sustained Virological Response (SVR), Rapid Virological Response (RVR), Early Virological Response (EVR), and End of Treatment Response (ETR)
    Description SVR is defined as non-detectable Hepatitis C virus (HCV) ribonucleic acid (RNA) at 24 weeks post-completion of the planned treatment period (i.e., Week 48 or 72 for genotype 2/3 or Week 72 for non-genotype 2/3). RVR is defined as undetectable HCV RNA after 4 weeks of antiviral treatment. EVR is defined as clinically significant reduction in HCV RNA (>=2 log10 drop or undetectable) after 12 weeks of antiviral treatment. ETR is defined as undetectable HCV RNA at the end of antiviral treatment.
    Time Frame From the start of investigational product in Part 2 up to the 24-week follow-up visit after the last dose in Part 2 or early withdrawal (up to 96 weeks)

    Outcome Measure Data

    Analysis Population Description
    Antiviral Safety Population. Only those participants available at the specified time points were analyzed (represented by n=X in the category titles). Different participants may have been analyzed for different parameters, so the overall number of participants analyzed reflects everyone in the Antiviral Safety Population.
    Arm/Group Title Eltrombopag
    Arm/Group Description In the Pre-antiviral Treatment Phase, participants (par.) with a platelet count of <75000/microliter (µL) received eltrombopag once daily for a minimum of 2 weeks and a maximum of 9 weeks in sequential dose escalations (25 milligrams [mg] for a minimum of 2 weeks, 50 mg for 1-2 weeks, 75 mg for 1-2 weeks, and 100 mg for 1-3 weeks) until platelet counts reached either >=90000/µL or 100000/µL. Par. who achieved the desired platelet count continued with eltrombopag in Part 2 along with antiviral treatment. Par. who did not achieve the desired platelet count completed the follow-up visits and were withdrawn from the study. Once the desired platelet counts were reached in Part 1 (>=90 Gi/L or >=100 Gi/L), par. continued to receive the dose of eltrombopag from Part 1 and polyethylene glycol (Peg) interferon (INF) alfa-2a (>=90 Gi/L) or Peg IFN alfa-2b (>=100 Gi/L) plus ribavirin. Dose adjustments of eltrombopag were permitted to achieve and maintain an appropriate platelet count.
    Measure Participants 25
    SVR, Yes, n=17
    4
    14.8%
    SVR, No, n=17
    13
    48.1%
    RVR, Yes, n=12
    3
    11.1%
    RVR, No, n=12
    9
    33.3%
    EVR, Yes, n=15
    15
    55.6%
    EVR, No, n=15
    0
    0%
    ETR, Yes, n=21
    9
    33.3%
    ETR, No, n=21
    12
    44.4%

    Adverse Events

    Time Frame Serious adverse events (SAEs) and non-serious adverse events (AEs) were collected from the start of study medication until the end of the 24-week follow up period (up to Week 96/WD).
    Adverse Event Reporting Description
    Arm/Group Title Eltrombopag (Part 1) Eltrombopag (Part 2)
    Arm/Group Description In the Pre-antiviral Treatment Phase, participants (par.) with a platelet count of <75000/microliter (µL) received eltrombopag once daily for a minimum of 2 weeks and a maximum of 9 weeks in sequential dose escalations (25 milligrams [mg] for a minimum of 2 weeks, 50 mg for 1-2 weeks, 75 mg for 1-2 weeks, and 100 mg for 1-3 weeks) until platelet counts reached either >=90000/µL or 100000/µL. Par. who achieved the desired platelet count continued with eltrombopag in Part 2 along with antiviral treatment. Par. who did not achieve the desired platelet count completed the follow-up visits and were withdrawn from the study. Once the desired platelet counts were reached in Part 1 (>=90 Gi/L or >=100 Gi/L), par. continued to receive the dose of eltrombopag from Part 1 and polyethylene glycol (Peg) interferon (INF) alfa-2a (>=90 Gi/L) or Peg IFN alfa-2b (>=100 Gi/L) plus ribavirin. Dose adjustments of eltrombopag were permitted to achieve and maintain an appropriate platelet count.
    All Cause Mortality
    Eltrombopag (Part 1) Eltrombopag (Part 2)
    Affected / at Risk (%) # Events Affected / at Risk (%) # Events
    Total / (NaN) / (NaN)
    Serious Adverse Events
    Eltrombopag (Part 1) Eltrombopag (Part 2)
    Affected / at Risk (%) # Events Affected / at Risk (%) # Events
    Total 0/27 (0%) 5/25 (20%)
    Blood and lymphatic system disorders
    Thrombocytopenia 0/27 (0%) 1/25 (4%)
    Gastrointestinal disorders
    Upper gastrointestinal haemorrhage 0/27 (0%) 1/25 (4%)
    Infections and infestations
    Cellulitis 0/27 (0%) 1/25 (4%)
    Metabolism and nutrition disorders
    Metabolic disorder 0/27 (0%) 1/25 (4%)
    Nervous system disorders
    Hepatic encephalopathy 0/27 (0%) 1/25 (4%)
    Myoclonic epilepsy 0/27 (0%) 1/25 (4%)
    Other (Not Including Serious) Adverse Events
    Eltrombopag (Part 1) Eltrombopag (Part 2)
    Affected / at Risk (%) # Events Affected / at Risk (%) # Events
    Total 9/27 (33.3%) 25/25 (100%)
    Blood and lymphatic system disorders
    Anaemia 1/27 (3.7%) 6/25 (24%)
    Neutropenia 1/27 (3.7%) 3/25 (12%)
    Leukopenia 0/27 (0%) 7/25 (28%)
    Thrombocytopenia 0/27 (0%) 4/25 (16%)
    Lymphadenopathy 0/27 (0%) 1/25 (4%)
    Lymphopenia 0/27 (0%) 1/25 (4%)
    Eye disorders
    Vision blurred 0/27 (0%) 2/25 (8%)
    Cataract 0/27 (0%) 1/25 (4%)
    Conjunctival haemorrhage 0/27 (0%) 1/25 (4%)
    Eye discharge 0/27 (0%) 1/25 (4%)
    Retinal exudates 0/27 (0%) 1/25 (4%)
    Retinal haemorrhage 0/27 (0%) 1/25 (4%)
    Retinopathy 0/27 (0%) 1/25 (4%)
    Visual acuity reduced 0/27 (0%) 1/25 (4%)
    Gastrointestinal disorders
    Nausea 2/27 (7.4%) 7/25 (28%)
    Abdominal distension 1/27 (3.7%) 1/25 (4%)
    Abdominal pain lower 1/27 (3.7%) 2/25 (8%)
    Abdominal pain upper 1/27 (3.7%) 3/25 (12%)
    Constipation 1/27 (3.7%) 0/25 (0%)
    Dry mouth 1/27 (3.7%) 2/25 (8%)
    Flatulence 1/27 (3.7%) 1/25 (4%)
    Varices oesophageal 1/27 (3.7%) 0/25 (0%)
    Diarrhoea 0/27 (0%) 4/25 (16%)
    Vomiting 0/27 (0%) 4/25 (16%)
    Ascites 0/27 (0%) 3/25 (12%)
    Haematemesis 0/27 (0%) 2/25 (8%)
    Abdominal discomfort 0/27 (0%) 1/25 (4%)
    Abdominal pain 0/27 (0%) 1/25 (4%)
    Dyspepsia 0/27 (0%) 1/25 (4%)
    Faeces discoloured 0/27 (0%) 1/25 (4%)
    Gastrooesophageal reflux disease 0/27 (0%) 1/25 (4%)
    Hypertrophy of tongue papillae 0/27 (0%) 1/25 (4%)
    Mouth ulceration 0/27 (0%) 1/25 (4%)
    Upper gastrointestinal haemorrhage 0/27 (0%) 1/25 (4%)
    General disorders
    Asthenia 1/27 (3.7%) 5/25 (20%)
    Pyrexia 0/27 (0%) 9/25 (36%)
    Fatigue 0/27 (0%) 7/25 (28%)
    Influenza like illness 0/27 (0%) 5/25 (20%)
    Chills 0/27 (0%) 3/25 (12%)
    Irritability 0/27 (0%) 2/25 (8%)
    Oedema 0/27 (0%) 2/25 (8%)
    Oedema peripheral 0/27 (0%) 2/25 (8%)
    Chest pain 0/27 (0%) 1/25 (4%)
    Injection site erythema 0/27 (0%) 1/25 (4%)
    Injection site pruritus 0/27 (0%) 1/25 (4%)
    Malaise 0/27 (0%) 1/25 (4%)
    Hepatobiliary disorders
    Hepatic pain 0/27 (0%) 1/25 (4%)
    Immune system disorders
    Drug hypersensitivity 1/27 (3.7%) 0/25 (0%)
    Infections and infestations
    Nasopharyngitis 1/27 (3.7%) 2/25 (8%)
    Viral rhinitis 1/27 (3.7%) 0/25 (0%)
    Urinary tract infection 0/27 (0%) 4/25 (16%)
    Upper respiratory tract infection 0/27 (0%) 3/25 (12%)
    Candidiasis 0/27 (0%) 2/25 (8%)
    Cellulitis 0/27 (0%) 1/25 (4%)
    Ear infection 0/27 (0%) 1/25 (4%)
    Furuncle 0/27 (0%) 1/25 (4%)
    Gastroenteritis 0/27 (0%) 1/25 (4%)
    Influenza 0/27 (0%) 1/25 (4%)
    Localised infection 0/27 (0%) 1/25 (4%)
    Oral herpes 0/27 (0%) 1/25 (4%)
    Rhinitis 0/27 (0%) 1/25 (4%)
    Urinary tract infection bacterial 0/27 (0%) 1/25 (4%)
    Injury, poisoning and procedural complications
    Contusion 0/27 (0%) 1/25 (4%)
    Investigations
    Blood bilirubin increased 1/27 (3.7%) 0/25 (0%)
    Haemoglobin decreased 0/27 (0%) 1/25 (4%)
    Weight decreased 0/27 (0%) 1/25 (4%)
    White blood cell count decreased 0/27 (0%) 1/25 (4%)
    Metabolism and nutrition disorders
    Hyperglycaemia 0/27 (0%) 2/25 (8%)
    Decreased appetite 0/27 (0%) 1/25 (4%)
    Hyperkalaemia 0/27 (0%) 1/25 (4%)
    Hypoglycaemia 0/27 (0%) 1/25 (4%)
    Metabolic disorder 0/27 (0%) 1/25 (4%)
    Musculoskeletal and connective tissue disorders
    Pain in extremity 1/27 (3.7%) 1/25 (4%)
    Back pain 0/27 (0%) 4/25 (16%)
    Arthralgia 0/27 (0%) 1/25 (4%)
    Bursitis 0/27 (0%) 1/25 (4%)
    Flank pain 0/27 (0%) 1/25 (4%)
    Muscular weakness 0/27 (0%) 1/25 (4%)
    Musculoskeletal pain 0/27 (0%) 1/25 (4%)
    Myalgia 0/27 (0%) 1/25 (4%)
    Nervous system disorders
    Headache 2/27 (7.4%) 7/25 (28%)
    Parkinsonism 1/27 (3.7%) 0/25 (0%)
    Hepatic encephalopathy 0/27 (0%) 2/25 (8%)
    Disturbance in attention 0/27 (0%) 1/25 (4%)
    Dizziness 0/27 (0%) 1/25 (4%)
    Dysgeusia 0/27 (0%) 1/25 (4%)
    Hyperaesthesia 0/27 (0%) 1/25 (4%)
    Lethargy 0/27 (0%) 1/25 (4%)
    Myoclonic epilepsy 0/27 (0%) 1/25 (4%)
    Nervousness 0/27 (0%) 1/25 (4%)
    Psychiatric disorders
    Anxiety 1/27 (3.7%) 0/25 (0%)
    Insomnia 0/27 (0%) 3/25 (12%)
    Sleep disorder 0/27 (0%) 2/25 (8%)
    Aggression 0/27 (0%) 1/25 (4%)
    Anger 0/27 (0%) 1/25 (4%)
    Confusional state 0/27 (0%) 1/25 (4%)
    Depressed mood 0/27 (0%) 1/25 (4%)
    Depression 0/27 (0%) 1/25 (4%)
    Mood swings 0/27 (0%) 1/25 (4%)
    Renal and urinary disorders
    Haematuria 0/27 (0%) 2/25 (8%)
    Nephrolithiasis 0/27 (0%) 1/25 (4%)
    Nocturia 0/27 (0%) 1/25 (4%)
    Pollakiuria 0/27 (0%) 1/25 (4%)
    Reproductive system and breast disorders
    Testicular pain 0/27 (0%) 2/25 (8%)
    Respiratory, thoracic and mediastinal disorders
    Cough 2/27 (7.4%) 3/25 (12%)
    Nasal congestion 1/27 (3.7%) 1/25 (4%)
    Sneezing 1/27 (3.7%) 0/25 (0%)
    Oropharyngeal pain 0/27 (0%) 3/25 (12%)
    Epistaxis 0/27 (0%) 2/25 (8%)
    Dyspnoea 0/27 (0%) 1/25 (4%)
    Dyspnoea exertional 0/27 (0%) 1/25 (4%)
    Productive cough 0/27 (0%) 1/25 (4%)
    Sinus congestion 0/27 (0%) 1/25 (4%)
    Skin and subcutaneous tissue disorders
    Pruritus 0/27 (0%) 4/25 (16%)
    Dry skin 0/27 (0%) 3/25 (12%)
    Alopecia 0/27 (0%) 2/25 (8%)
    Blister 0/27 (0%) 1/25 (4%)
    Erythema 0/27 (0%) 1/25 (4%)
    Rash 0/27 (0%) 1/25 (4%)
    Skin hyperpigmentation 0/27 (0%) 1/25 (4%)
    Skin ulcer 0/27 (0%) 1/25 (4%)
    Night sweats 1/27 (3.7%) 0/25 (0%)
    Vascular disorders
    Haematoma 0/27 (0%) 2/25 (8%)
    Pallor 0/27 (0%) 1/25 (4%)
    Phlebitis 0/27 (0%) 1/25 (4%)

    Limitations/Caveats

    [Not Specified]

    More Information

    Certain Agreements

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

    GSK agreements may vary with individual investigators, but will not prohibit any investigator from publishing. GSK supports the publication of results from all centers of a multi-center trial but requests that reports based on single-site data not precede the primary publication of the entire clinical trial.

    Results Point of Contact

    Name/Title GSK Response Center
    Organization GlaxoSmithKline
    Phone 866-435-7343
    Email
    Responsible Party:
    GlaxoSmithKline
    ClinicalTrials.gov Identifier:
    NCT00996216
    Other Study ID Numbers:
    • 108392
    First Posted:
    Oct 16, 2009
    Last Update Posted:
    Dec 6, 2013
    Last Verified:
    Aug 1, 2013