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Phase I Safety and Tolerability Study of Birinapant in Chronic Hepatitis B
Verified by: TetraLogic Pharmaceuticals, April 2015
First Received: November 3, 2014 | Last Updated: April 23, 2015
Phase: Phase 1 | Start Date: November 2014
Overall Status: Recruiting | Estimated Enrollment: 48
Brief Summary
Official Title: “Phase 1, Randomized, Double-Blind, Placebo-Controlled, Multiple Ascending Dose, Safety, Tolerability and Pharmacokinetics Study of Birinapant in Subjects With Chronic Hepatitis B”
This study evaluates the addition of birinapant in subjects with chronic Hepatitis B who are currently receiving anti-viral therapy with either tenofovir or entecavir. Patients will receive either birinapant or placebo in addition to their anti-viral therapy.
Study Type: Interventional
Study Design: Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator, Outcomes Assessor), Primary Purpose: Treatment
Study Primary Completion Date: June 2015
Interventions Used in this Clinical Trial
Drug: Antiviral Therapy (tenofovir or entecavir)
Drug: Birinapant
Drug: Placebo (for birinapant)
Arms, Groups and Cohorts in this Clinical Trial
Experimental: Antiviral Therapy & Birinapant
Antiviral therapy (tenofovir 300 mg or entecavir 0.5 mg) taken once daily by mouth, and birinapant administered as a 30 minute IV infusion once weekly for four weeks.
Placebo Comparator: Antiviral Therapy & Placebo
Antiviral therapy (tenofovir 300 mg or entecavir 0.5 mg) taken once daily by mouth, and placebo (for birinapant) administered as a 30 minute infusion once weekly for four weeks.
Outcome Measures for this Clinical Trial
Primary Measures
Number of participants with adverse events
Time Frame: From Screening through end of study, up to 13 weeks
Safety Issue?: Yes
Secondary Measures
Pharmacokinetics of birinapant (in plasma): maximum concentration (Cmax), time of maximum concentration (Tmax), area under the curve (AUC) extrapolated to time infinity, AUC from dosing to last quantifiable concentration
Time Frame: Day -1 through Day 26
Safety Issue?: No
Pharmacokinetics of birinapant (in plasma): terminal elimination half-life (t1/2), clearance (CL), terminal disposition rate constant,volume of distribution (Vdss)
Time Frame: Day -1 through Day 26
Safety Issue?: No
Pharmacokinetics of oral antiviral medication (tenofovir or entecavir): Cmax, Tmax, AUC from dosing to last quantifiable concentration, t1/2, CL, terminal disposition rate constant, Vdss
Time Frame: Day -1, Day 1 and Day 22
Safety Issue?: No
Hepatitis B markers (Determine levels of HBsAg, HBeAg, HBV DNA, and HBsAb)
Time Frame: Screening through Day 29
Safety Issue?: No
Pharmacodynamic effect of birinapant on cIAP1 and cIAP2 levels in peripheral blood mononuclear cells (PBMC) and levels of cluster of differentiation 4 and 8 (CD4+, CD+8) lymphocytes
Time Frame: Screening through Day 29
Safety Issue?: No
Criteria for Participation in this Clinical Trial
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