Eltrombopag To Initiate And Maintain Interferon Antiviral Treatment To Subjects With Hepatitis C Related Liver Disease
Trial overview
Number of participants with sustained virologic response (SVR) in the Double-blind (DB) Antiviral Treatment Phase
Timeframe: From Baseline up to Week 48 or Week 72 (for participants with Genotype 2/3) or up to Week 72 (for participants with Non-Genotype 2/3)
Number of participants whose platelet count increased from a baseline count of <75 Gi/L to a count greater than or equal to (>=) 90 giga (10^9) cells per liter (Gi/L) during the Open-label (OL) Pre-Antiviral Treatment Phase
Timeframe: From Baseline up to Week 9 in the OL Phase
Number of participants receiving the indicated doses of eltrombopag in the OL Phase who initiated antiviral therapy (peginterferon alfa-2a and ribavirin) in the DB Phase
Timeframe: From Baseline up to Week 9 in the OL Phase
Median platelet count at the indicated time points during the OL Phase
Timeframe: OL Phase: Baseline; Day 1; Weeks 1, 2, 3, 4, 5, 6, 7, 8, and 9; Antiviral Baseline (up to Week 10); End of Treatment (up to Week 48); 4-week Follow-up (FU) (up to Week 62); 12-week FU (up to Week 70); and 24-week FU (up to Week 82)
Median platelet count at the indicated time points during the DB Phase
Timeframe: DB Phase: Baseline; Weeks 1, 2, 4, 6, 8, 12, 16, 20, 24, 28, 32, 36, 40, and 44; End of Treatment (up to Week 48); 4-week Follow-up (FU) (up to Week 52); 12-week FU (up to Week 60); and 24-week FU (up to Week 72)
Number of participants in the indicated categories for minimum platelet count with antiviral therapy during the DB Phase
Timeframe: From Baseline up to Week 48 or Week 72 (for participants with Genotype 2/3) or up to Week 72 (for participants with Non-Genotype 2/3)
Number of participants with Rapid Virological Response (RVR) and Extended RVR (eRVR) during the DB Phase
Timeframe: From Baseline up to Week 12
Number of participants with Early Virological Response (EVR) and Complete EVR (cEVR) during the DB Phase
Timeframe: From Baseline up to Week 12
Number of participants with End of Treatment Response (ETR) and Sustained Virological Response at Week 12 of follow-up (SVR12) during the DB Phase
Timeframe: From Baseline up to Week 36 or Week 60 (for participants with Genotype 2/3) or up to Week 60 (for participants with Non-Genotype 2/3)
Number of participants in the indicated categories for antiviral therapy dose reductions in the DB Phase
Timeframe: From Baseline up to Week 48 or Week 72 (for participants with Genotype 2/3) or up to Week 72 (for participants with Non-Genotype 2/3)
Time to first dose reduction of peginterferon alfa-2a and ribavirin therapy in the DB Phase
Timeframe: From Baseline up to Week 48 or Week 72 (for participants with Genotype 2/3) or up to Week 72 (for participants with Non-Genotype 2/3)
Number of participants with the indicated levels of peginterferon dose reductions in the DB Phase
Timeframe: From Baseline up to Week 48 or Week 72 (for participants with Genotype 2/3) or up to Week 72 (for participants with Non-Genotype 2/3)
Number of participants who prematurely discontinued antiviral therapy in the DB Phase
Timeframe: From Baseline up to Week 48 or Week 72 (for participants with Genotype 2/3) or up to Week 72 (for participants with Non-Genotype 2/3)
Number of participants (par.) categorized as responders (R) and non-responders (NR) for SVR and RVR to antiviral therapy in the indicated variants of Interleukin 28B (IL28B) (or interferon, lambda 3) during the DB Phase
Timeframe: From Baseline up to Week 48 or Week 72 (for participants with Genotype 2/3) or up to Week 72 (for participants with Non-Genotype 2/3)
Number of par. with the indicated shift from Baseline (BL) in severity grades for clinical chemistry parameters (calcium, glucose [glu.], potassium [pot.], and sodium [sod.]), per Division of Acquired Immunodeficiency Syndrome (DAIDS) during the DB Phase
Timeframe: From Baseline up to Week 48 or Week 72 (for participants with Genotype 2/3) or up to Week 72 (for participants with Non-Genotype 2/3)
Number of participants with the indicated shifts from BL in severity grades for for hematology parameters (hemoglobin, lymphocytes [lym.], total neutrophils [tot neu.], and white blood cells [WBC]), per DAIDS during the DB Phase
Timeframe: From Baseline up to Week 48 or Week 72 (for participants with Genotype 2/3) or up to Week 72 (for participants with Non-Genotype 2/3)
Number of participants in the indicated categories for cataract event during the DB Phase, per Clinical Events Committee (CEC) adjudication during the DB Phase
Timeframe: From Baseline up to Week 48 or Week 72 (for participants with Genotype 2/3) or up to Week 72 (for participants with Non-Genotype 2/3)
Number of participants assessed as normal and abnormal (clinically significant [CS] and not clinically significant [NCS]) for 12-lead electrocardiogram (ECG) at the indicated time points during the DB Phase
Timeframe: DB Phase: Antiviral BL (up to Week 10); End of Treatment (up to Week 52); and 24-week FU (up to Week 72)
Number of participants with CS and NCS change from Baseline for 12-lead ECG at the indicated time points during the DB Phase
Timeframe: End of Treatment (up to Week 52); and 24-week FU (up to Week 72)
Mean change from Baseline in systolic blood pressure (SBP) and diastolic blood pressure (DBP) at the indicated time points during the DB Phase
Timeframe: DB Phase: Baseline; Weeks 1, 2, 4, 6, 8, 12, 16, 20, 24, 28, 32, 36, 40, and 44; End of Treatment (up to Week 48); 4-week Follow-up (FU) (up to Week 52); 12-week FU (up to Week 60); and 24-week FU (up to Week 72)
Mean change from Baseline in heart rate at the indicated time points during the DB Phase
Timeframe: DB Phase: Baseline; Weeks 1, 2, 4, 6, 8, 12, 16, 20, 24, 28, 32, 36, 40, and 44; End of Treatment (up to Week 48); 4-week Follow-up (FU) (up to Week 52); 12-week FU (up to Week 60); and 24-week FU (up to Week 72)
Mean change from Baseline in weight at the indicated time points during the DB Phase
Timeframe: DB Phase: Baseline; Weeks 1, 2, 4, 6, 8, 12, 16, 20, 24, 28, 32, 36, 40, and 44; End of Treatment (up to Week 48); 4-week Follow-up (FU) (up to Week 52); 12-week FU (up to Week 60); and 24-week FU (up to Week 72)
Mean change from Baseline in Body Mass Index (BMI) at the indicated time points during the DB Phase
Timeframe: DB Phase: Baseline; Weeks 1, 2, 4, 6, 8, 12, 16, 20, 24, 28, 32, 36, 40, and 44; End of Treatment (up to Week 48); 4-week Follow-up (FU) (up to Week 52); 12-week FU (up to Week 60); and 24-week FU (up to Week 72)
Participation criteria
- Inclusion Criteria:
- Male and female subjects, >18 years
- Inclusion Criteria: Male and female subjects, >18 years Evidence of chronic hepatitis C virus (HCV) infection Subjects who are appropriate candidates for peginterferon (pegIFN) and ribavirin antiviral therapy A platelet count of <75,000/mcL Haemoglobin >11.0g/dL for men or >10.0g/dL for women Absolute neutrophil count (ANC) >750/mm3 and no history of infections associated with neutropenia Creatinine clearance >50mL/minute All fertile males and females must use two forms of effective contraception between them during treatment and during the 24 weeks after treatment end Subject is able to understand, consent and comply with protocol requirements and instructions and is likely to complete the study as planned Exclusion criteria: Non-responders to previous treatment with pegIFN and ribavirin who failed to achieve a sustained virologic response (SVR) for reasons other than thrombocytopenia, despite an optimal course (dose and duration) of combination therapy with pegIFN and ribavirin Decompensated liver disease, e.g. Child-Pugh score >6 or history of ascites or hepatic encephalopathy or current evidence of ascites Known hypersensitivity, intolerance or allergy to interferon (IFN), ribavirin, eltrombopag or any of their ingredients Serious cardiac, cerebrovascular, or pulmonary disease that would preclude treatment with pegIFN and ribavirin Subjects with a history of any one of the following: Suicide attempt or hospitalisation for depression in the past 5 years Any current severe or poorly controlled psychiatric disorder The following subjects are eligible for study participation, but must be assessed and followed (if recommended) by a mental health professional:
- Subjects who have had a severe or poorly controlled psychiatric disorder more than 6 months ago but less than 5 years ago
- Seizure disorder that has not been well controlled History of clinically significant bleeding from oesophageal or gastric varices Subjects with haemoglobinopathies, e.g. sickle cell anaemia, thalassemia major Any prior history of arterial or venous thrombosis AND two or more of the following risk factors: hereditary thrombophilic disorders (e.g. Factor V Leiden, antithrombin III (ATIII) deficiency, etc), hormone replacement therapy, systemic contraception (containing estrogen), smoking, diabetes, hypercholesterolemia, medication for hypertension or cancer Pre-existing cardiac disease (New York Heart Association (NYHA) Grade III/IV), or arrhythmias known to involve the risk of thromboembolic events, or corrected QT interval (QTc) >450 msec Evidence of hepatocellular carcinoma Laboratory evidence of infection with human immunodeficiency virus (HIV) or active Hepatitis B Virus (HBV) infection Any disease condition associated with active bleeding or requiring anticoagulation with heparin or warfarin Therapy with any anti-neoplastic or immuno-modulatory treatment <6 months prior to the first dose of eltrombopag Subjects who have had a malignancy diagnosed and/or treated within the past 5 years, except for subjects with localised basal or squamous cell carcinoma treated by local excision or subjects with malignancies who have been adequately treated and, in the opinion of the oncologist, have an excellent chance of cancer-free survival Pregnant or nursing women Males with a female partner who is pregnant History of alcohol/drug abuse or dependence within 6 months of the study start (unless participating in a controlled rehabilitation programme) Treatment with an investigational drug or IFN within 30 days or 5 half-lives (whichever is longer) of the screening visit History of platelet clumping that prevents reliable measurement of platelet counts History of major organ transplantation with an existing functional graft Thyroid dysfunction not adequately controlled Subjects planning to have cataract surgery Evidence of portal vein thrombosis on abdominal imaging within 3 months of the baseline visit
Trial location(s)
Study documents
If you wish to request for full study report, please contact - [email protected]
Results overview
Results posted on ClinicalTrials.gov
Plain language summaries
Plain language summaries of clinical trial results for Phase 2-4 clinical trials that were initiated on or after January 2022 will be posted by GSK within one year following study completion.