- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00023322
Pegylated Interferon to Treat Chronic Hepatitis D
Treatment of Chronic Delta Hepatitis With Pegylated Interferon
This study will evaluate the safety and effectiveness of a long-acting form of alpha interferon called pegylated interferon in treating hepatitis D virus (HDV) infection. HDV only infects people who already have hepatitis B infection. HDV is often severe and progressive. Alpha interferon is the standard treatment for HDV, given by injection once a day or three times a week for up to 12 months. However, this treatment does not work for everyone, and those who respond usually relapse when the drug is stopped. The sustained-release form of the drug, pegylated interferon, is given just once a week. Pegylated interferon is more effective than standard interferon in hepatitis C patients, with patients experiencing longer-term improvement. This study will evaluate the effects of pegylated interferon on hepatitis D and hepatitis B. It will determine whether long-term therapy with this drug improves inflammation and scarring of the liver, thereby delaying or reversing cirrhosis, and whether the improvement can be maintained.
Patients with chronic hepatitis D over 6 years old may be eligible for this study. Participants will have a medical evaluation, including a history and physical examination, blood tests, routine urinalysis and 24-hour urine collection. Chest X-ray, electrocardiogram, abdominal ultrasound and liver biopsy will be done if these tests have not been done within the last year. In addition, depending on their age and individual health status, some patients may have exercise stress testing, an eye examination, hearing test, and psychiatric consultation. All patients will fill out a health-related quality of life questionnaire.
Patients will receive pegylated interferon by injection once a week and have blood tests to measure the effects of treatment on the liver and on HBV and HDV levels. The medical examination and liver biopsy will be repeated at the end of 12 months. Patients who improved with treatment may continue therapy long-term. Medical evaluations and liver biopsies will be repeated at 3 years and at 5 years.
Study Overview
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Maryland
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Bethesda, Maryland, United States, 20892
- National Institutes of Health Clinical Center, 9000 Rockville Pike
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
- INCLUSION CRITERIA:
Age greater than or equal to 18 years, male or female
Serum alanine or aspartate aminotransferase activities that are above the upper limit of normal (ALT greater than 41 or AST greater than 31 U/L) on an average of three determinations taken during the previous 6 months. The mean of the three determinations will be defined as 'baseline' levels.
Presence of anti-HDV in serum.
Evidence of chronic hepatitis on liver biopsy done within the previous 12 months with a necroinflammatory score in histology activity index of at least 5 (out of a maximum of 18) and at least 1 for hepatic fibrosis (out of a maximum of 6).
Presence of HDV antigen in liver tissue.
Written informed consent.
Previous standard alpha interferon or other antiviral activity will not exclude patients.
Active HBV replication will not exclude patients.
All ethnicities.
Patients will need to meet the first six entry criteria to enroll.
EXCLUSION CRITERIA:
Decompensated liver disease, as marked by bilirubin greater than 4 mg%, albumin less than 3.0 gm%, prothrombin time greater than 2 sec prolonged, or history of bleeding esophageal varices, ascites or hepatic encephalopathy. Patients with ALT levels greater than 1000 U/L (greater than 25 times ULN) will not be enrolled but may be followed until three determinations are below this level.
Pregnancy or, in women of child-bearing potential or in spouses of such women, inability to practice adequate contraception defined as vasectomy in men, tubal ligation in women, or use of condoms and spermicide, or birth control pills, or an intrauterine device, or Depo-Provera, or Norplant.
Significant systemic or major illnesses other than liver disease, including, but not limited to, congestive heart failure, renal failure (creatinine clearance less than 50 ml/min), organ transplantation, serious psychiatric disease or depression (only if felt to be at high risk by the NIH psychiatric consultation service), and angina pectoris.
Immunosuppressive therapy within the last 6 months.
Evidence of another form of liver disease in addition to viral hepatitis (for example autoimmune liver disease, Wilson's disease, alcoholic liver disease, hemochromatosis, and alpha-1-antitrypsin deficiency).
Any evidence of coronary artery disease or cerebral vascular disease, including abnormalities on exercise stress testing in patients with defined risk factors who will be screened for evidence of underlying coronary artery disease.
Active substance abuse, such as alcohol, inhaled or injection drugs within the previous year.
Evidence of hepatocellular carcinoma; either alphafetoprotein (AFP) levels greater than 200 ng/ml (normal less than 9 ng/ml) and/or ultrasound (or other imaging study) demonstrating a mass suggestive of liver cancer.
Study Plan
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: Peginterferon Alpha-2a
Patients with hepatitis D virus (HDV) infection are treated with pegylated alpha interferon therapy for 3 years.
The dose of the drug is 180 mcg/week.
|
Treatment
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Histological Response at 3 Years
Time Frame: 3 years
|
Histological response is defined as at least 3 point improvement in inflammatory score or 1 point improvement in fibrosis score of the HAI at each liver biopsy.
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3 years
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Histological Response at 5 Years
Time Frame: 5 years
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Histological response is defined as at least 3 point improvement in inflammatory score or 1 point improvement in fibrosis score of the HAI at each liver biopsy.
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5 years
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Collaborators and Investigators
Publications and helpful links
General Publications
- Kefalakes H, Koh C, Sidney J, Amanakis G, Sette A, Heller T, Rehermann B. Hepatitis D Virus-Specific CD8+ T Cells Have a Memory-Like Phenotype Associated With Viral Immune Escape in Patients With Chronic Hepatitis D Virus Infection. Gastroenterology. 2019 May;156(6):1805-1819.e9. doi: 10.1053/j.gastro.2019.01.035. Epub 2019 Jan 18.
- Rizzetto M, Ponzetto A, Forzani I. Hepatitis delta virus as a global health problem. Vaccine. 1990 Mar;8 Suppl:S10-4; discussion S21-3. doi: 10.1016/0264-410x(90)90207-3.
- Verme G, Brunetto MR, Oliveri F, Baldi M, Forzani B, Piantino P, Ponzetto A, Bonino F. Role of hepatitis delta virus infection in hepatocellular carcinoma. Dig Dis Sci. 1991 Aug;36(8):1134-6. doi: 10.1007/BF01297460.
- Rizzetto M, Verme G, Recchia S, Bonino F, Farci P, Arico S, Calzia R, Picciotto A, Colombo M, Popper H. Chronic hepatitis in carriers of hepatitis B surface antigen, with intrahepatic expression of the delta antigen. An active and progressive disease unresponsive to immunosuppressive treatment. Ann Intern Med. 1983 Apr;98(4):437-41. doi: 10.7326/0003-4819-98-4-437.
- Hercun J, Kim GE, Da BL, Rotman Y, Kleiner DE, Chang R, Glenn JS, Hoofnagle JH, Koh C, Heller T. Durable virological response and functional cure of chronic hepatitis D after long-term peginterferon therapy. Aliment Pharmacol Ther. 2021 Jul;54(2):176-182. doi: 10.1111/apt.16408. Epub 2021 May 28.
Helpful Links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 010247
- 01-DK-0247 (Other Identifier: National Institutes of Health)
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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