Nabi-HB Administered Subcutaneously in Patients With Hepatitis B Virus Post Liver Transplantation (Nabi-HB-SC)

January 15, 2016 updated by: Biotest Pharmaceuticals Corporation

A Phase 3, Multicenter, Open Label Study to Assess the Safety and Efficacy of Nabi-HB Administered Subcutaneously in Patients With Hepatitis B Virus Associated Liver Disease Who Underwent Liver Transplantation

A phase 3, multicenter, open label study to assess the safety and efficacy of Nabi-HB, administered subcutaneously in patients with Hepatitis B Virus Associated Liver Disease who underwent liver transplantation.

Study Overview

Status

Withdrawn

Conditions

Intervention / Treatment

Detailed Description

This is a phase 3 prospective, single arm open label study to be conducted t approximately 4 study sited located in th e USA. Approximately 25 HBV DNA negative patients who underwent liver transplant at least one year prior, due to chronic hepatitis B infection will bwe eligible for study participation. The study consist of a total of 16 study visit and the duration of participation will be 20 weeks for each patients. Patients will be converted from the intravenous standard HBIG to Nabi-HB subcutaneous administration according to the individual scheduled dosing interval.

Study Type

Interventional

Phase

  • Phase 3

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 65 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Male or female patients 18 years old or older as of visit one.
  • If female is not trying to conserve, not lactating, and has a negative serum pregnancy test and use an acceptable method of contraception or be at least one year post-menopausal or surgically sterile.
  • Able to provide written informed consent.
  • First time liver transplant recipient.
  • Primary, single organ recipient (deceased donor <65 years old).
  • receive regular long-term HBIG prophylaxis with stabilized HBIG dosage and administration intervals.
  • Have negative quantifiable HBV-DNA and HBsAg results prior to dosing at visit 2.
  • Following the last IV administration of HBIG, have a baseline serum anti-HBs level of >150 IU/ML prior to dosing at visit 2.

Exclusion Criteria

  • Positive HCV or HIV test results.
  • Unexplained elevated liver function tests.
  • Serum creatinine level >2.0 times the upper limit of normal.
  • life expectancy <6 months.
  • liver transplantation with ongoing acute rejection episode. Donor liver that was from a hepatitis Bor C positive donor. Underwent a liver transplant <12 months prior to visit 1.
  • Know history of cancer, suspected cancer, or cancer therapy within 12 months.
  • History of autoimmune disease.
  • History/current evidence of coagulation disorder, severe cardiac disease, unhealed gastric or duodenal ulcer, or other significant disease.
  • Evidence of any other unresolved infection and any unresolved opportunistic infection requiring treatment.
  • Known immunoglobulin A deficiency.
  • History of use of immunosupressive or immunomodulatory drug within 3 month prior to visit 1. (except low dose glucocorticoid therapy, <10 mg of prednisone or equivalent per day.)
  • received and investigational drug 30 days prior to visit 1.
  • use of plasma preparations or other immunoglobulins during the study.
  • Know intolerance to proteins of human origin, immunoglobulin, or comparable products.
  • Evidence of alcohol and/or drug abuse within 6 month of visit 2 or inability/unwillingness to abstain from alcohol for the duration of the study.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Arm One: Nabi-HB
All subjects will be administered Nabi HB Subcutaneously
Biological: Nabi-HB

Hepatitis b Immune Globulin (Human)(Nabi-HB) 312 IU/L per dose administered subcutaneously.

Dosage will be according to each patients body weight, as follow:

< 75 kg: 500 IU weekly ( may be increase to 1,000 IU weekly if anti-HBs levels are <150 IU/ML > 75 Kg: 1,000 IU weekly

Other Names:
  • Hepatitis B Immune Globulin (Human)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
To evaluate the efficacy of Nabi-HB administered subcutaneously weekly for a total of 14 weeks in patients who previously underwent a liver transplant. Levels will provide evidence if effective anti-HB levels >150 IU/ML can be maintained.
Time Frame: 14 weeks
14 weeks

Secondary Outcome Measures

Outcome Measure
Time Frame
To evaluate the safety of Nabi-HB administered subcutaneously weekly for a total of 14 weeks.
Time Frame: 14 weeks
14 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Biotest Pharmaceuticals Corporation

Investigators

  • Study Director: Shailesh Chavan, MD, Sponsor GmbH

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

April 1, 2010

Primary Completion (Anticipated)

August 1, 2010

Study Completion (Anticipated)

September 1, 2010

Study Registration Dates

First Submitted

November 26, 2008

First Submitted That Met QC Criteria

December 1, 2008

First Posted (Estimate)

December 2, 2008

Study Record Updates

Last Update Posted (Estimate)

January 18, 2016

Last Update Submitted That Met QC Criteria

January 15, 2016

Last Verified

June 1, 2010

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 4210

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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