A Phase II, Multicenter, Randomized, Open-Label, Dose-Ranging, Parallel Group Study to Compare the Anti-Viral Effects, Pharmacokinetics and Safety of HepeX-B, a Mixture of Two Monoclonal Antibodies, as Compared to Hepatitis B Immune Globulin in Patients who have Received Hepatic Allografts for Treatment of End-Stage Liver Disease due to Hepatitis B Virus Infectio

Phase 1

• Conditions: Hepatic allograft recipients for treatment of hepatitis B virus infection.

• Registration Number: EUCTR2004-000501-21-GB
• Lead Sponsor: XTL Biopharmaceuticals

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2005-02-22
• Study Completion: 2005-08-30
• Last Update Posted: 16 December 2019

Recruitment & Eligibility

• Status: ot Recruiting
• Sex: Not specified
• Target Recruitment: 75

Inclusion Criteria

1. Male and female patients who are 18 years of age or older,
2. Patients who are at least 6 months post first orthotopic liver transplantation (living or cadaveric donor) for treatment of end-stage liver disease due to hepatitis B virus infection,
3. Patients who have received HBIg since transplantation and are on a stable regimen (i.e., same dose and frequency) for at least the 3 months immediately preceding study entry (Day 1).
4. Patients who have received treatment with an inhibitor of HBV polymerase for at least the 3 months immediately preceding study entry (Day 1)
5. Patients with undetectable HBsAg and HBV DNA concentrations on two consecutive tests at least one week apart during the screening period,
6. Female patients who are of childbearing potential, and males whose partners are women of childbearing potential, are required to use adequate contraception, and
7. Patients who are able to provide written informed consent.
8. Patients who successfully complete the initial 20-week treatment in the core trial are eligible for the 52-week extension phase.

Are the trial subjects under 18? no
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range
F.1.3 Elderly (>=65 years) yes
F.1.3.1 Number of subjects for this age range

Exclusion Criteria

1. Women who are pregnant or breastfeeding,
2. Patients who have received another organ transplant that requires immunosuppression,
3. Patients who are co-infected with hepatitis delta virus (HDV), hepatitis C virus (HCV) and/or human immunodeficiency virus (HIV),
4. Patients with clinical conditions or diseases, which, in the judgment of the investigator, would place the patient at undue risk, interfere with study participation, or confound the results of the study, and/or
5. Patients who have participated in clinical studies in the 3 months prior to study entry.

Study & Design

• Study Type: Interventional clinical trial of medicinal product
• Study Design: Not specified