- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01727271
A Study to Compare Efficacy and Safety of Tenofovir Used Alone or in Combination With Pegylated Interferon Alpha-2b in Participants With Chronic Hepatitis B and Elevated Alanine Aminotransferase (MK-4031-384)
September 18, 2013 updated by: Merck Sharp & Dohme LLC
An Open-Label, Pilot, Randomized, Multi-Center Study to Compare Efficacy and Safety of Tenofovir Monotherapy Alone With Tenofovir Monotherapy Followed by Concurrent Combination of Pegylated Interferon-Alpha-2b and Tenofovir or Tenofovir Monotherapy Followed by Sequential Therapy of Pegylated Interferon-Alpha-2b and Tenofovir in HBeAG-Positive Chronic Hepatitis B Patients With Raised ALT.
This study will compare monotherapy with tenofovir to sequential therapy with pegylated interferon alpha-2b (pegIFN-2b) followed by tenofovir, and to combination therapy with pegIFN-2b + tenofovir, in participants with hepatitis B e antigen (HBeAg)-positive chronic hepatitis B and elevated alanine aminotransferase (ALT).
All enrolled participants will be be administered tenofovir alone for 8 weeks and then will be randomly assigned to 1 of the 3 treatment arms.
Study Overview
Status
Withdrawn
Conditions
Intervention / Treatment
Study Type
Interventional
Phase
- Phase 4
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 and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Chronic hepatitis B (hepatitis B surface antigen [HBsAg]-positive for >6 months or evidence of chronic hepatitis B in liver biopsy)
- Elevated serum ALT level
- Liver biopsy or a non-invasive investigation within 12 months prior to randomization with Chronic Hepatitis B
- Treatment naïve or history of interferon for not more than 1 month, taken at least 6 months before enrollment
- Compensated liver disease
Exclusion Criteria:
- Known hypersensitivity to tenofovir, interferon alpha-2b, and/or any other component of the study products
- Co-infection with hepatitis C virus (HCV), hepatitis D virus (HDV) or human immunodeficiency virus (HIV)
- Need for prolonged or frequent use of systemic acyclovir or famciclovir
- Previously received lamivudine or an investigational anti-hepatitis B virus (HBV) nucleoside or nucleotide analog and were resistant to these drugs
- History of variceal bleeding or other GI bleeding due to portal hypertension, hepatic encephalopathy, spontaneous bacterial peritonitis, Grade III and IV esophageal varices unless banded or other clinical signs of hepatic decompensation
- History of hepatocellular carcinoma (HCC) or findings suggestive of possible HCC
- Need for potentially hepatotoxic drugs (e.g. dapsone, erythromycin, fluconazole, ketoconazole, rifampin, and anti-tuberculosis regimens) or nephrotoxic drugs (e.g. frequent nonsteroidal anti-inflammatories, aminoglycosides, amphotericin B, and foscarnet)
- One or more additional known primary or secondary causes of liver disease, other than hepatitis B
- History of clinical pancreatitis
- Pregnant or breastfeeding
- Female participants of childbearing potential and male participants must be willing to use acceptable method of birth control.
- Medical condition that requires frequent or prolonged use of systemic corticosteroids
- Use of warfarin or other anticoagulants during 30 days prior to screening or if expected to be needed during the study period
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: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Tenofovir Monotherapy
Tenofovir 300 mg tablet, orally (PO) once daily for 8 weeks, then Tenofovir 300 mg tablet, PO, once daily for an additional 96 weeks (total treatment duration 104 weeks)
|
Other Names:
|
Experimental: PegIFN-2b/Tenofovir Sequential Therapy
Tenofovir 300 mg tablet, PO, once daily for 8 weeks, then PegIFN-2b, 1.5 mcg/kg subcutaneously (SC), once weekly, for 24 weeks, then Tenofovir 300 mg tablet, PO, once daily for 72 weeks (total treatment duration 104 weeks)
|
Other Names:
Other Names:
|
Experimental: Peg-IFN-2b + Tenofovir Combination Therapy
Tenofovir 300 mg tablet, PO once daily for 8 weeks, then pegIFN-2b, 1.5 mcg/kg SC once weekly and tenofovir 300 mg tablet, PO, once daily for 24 weeks, and then tenofovir 300 mg tablet, PO, once daily for 72 weeks (total treatment duration 104 weeks)
|
Other Names:
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Number of participants who responded to treatment
Time Frame: Week 128
|
Week 128
|
Number of participants experiencing adverse events (AEs)
Time Frame: Up to 128 weeks
|
Up to 128 weeks
|
Number of participants discontinuing study therapy due to AEs
Time Frame: Up to 104 weeks
|
Up to 104 weeks
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
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
August 1, 2013
Primary Completion (Anticipated)
August 1, 2017
Study Completion (Anticipated)
August 1, 2017
Study Registration Dates
First Submitted
November 12, 2012
First Submitted That Met QC Criteria
November 12, 2012
First Posted (Estimate)
November 15, 2012
Study Record Updates
Last Update Posted (Estimate)
September 19, 2013
Last Update Submitted That Met QC Criteria
September 18, 2013
Last Verified
September 1, 2013
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Digestive System Diseases
- RNA Virus Infections
- Virus Diseases
- Infections
- Blood-Borne Infections
- Communicable Diseases
- Liver Diseases
- Hepatitis, Viral, Human
- Hepadnaviridae Infections
- DNA Virus Infections
- Enterovirus Infections
- Picornaviridae Infections
- Hepatitis, Chronic
- Hepatitis B
- Hepatitis
- Hepatitis A
- Hepatitis B, Chronic
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Antiviral Agents
- Reverse Transcriptase Inhibitors
- Nucleic Acid Synthesis Inhibitors
- Enzyme Inhibitors
- Anti-HIV Agents
- Anti-Retroviral Agents
- Antineoplastic Agents
- Immunologic Factors
- Tenofovir
- Interferons
- Interferon-alpha
- Interferon alpha-2
- Peginterferon alfa-2b
Other Study ID Numbers
- 4031-384
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
product manufactured in and exported from the U.S.
No
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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