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Study on Chronic Hepatitis C Treatment With Interferon Alpha, Ribavirin and Amantadine in Naive Patients

U

UMC Utrecht

Status and phase

Completed
Phase 3

Conditions

Chronic Hepatitis C

Treatments

Drug: Amantadine

Study type

Interventional

Funder types

Other

Identifiers

NCT00146016
CIRA-study

Details and patient eligibility

About

* Adding Amantadine to standard anti-viral treatment can improve sustained response rates in patients with chronic hepatitis C

Full description

The CIRA-study is a double blind, placebo controlled, randomised, multicentre study in previously untreated patients suffering from chronic hepatitis C comparing double therapy, consisting of (PEG-)interferon alpha 2b ((PEG)Intron-A®) and ribavirin (Rebetol®), with triple therapy, consisting of (PEG-)interferon alpha 2b, ribavirin and amantadine, for 52 weeks. Follow-up is completed at week 104. 150 Subjects per treatment group will be included. Patients will be stratified before randomisation according to genotype (1 versus non-1). Viral load will not be a discriminating factor.

The aim is to investigate the efficacy of the adjunct amantadine to the currently used combination therapy with interferon alpha and ribavirin.

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Anti-HCV positivity >6 months
  • ALT and/or AST elevation on at least once in the previous 6 months
  • Positive HCV-RNA
  • Liver biopsy within one year before the start of therapy in non- cirrhosis. In the case of known cirrhosis, liver biopsy is not necessary
  • Intention to be treated and participate treatment
  • Obtained written informed consent

Exclusion criteria

  • Age < 18 years
  • Pregnancy or intention to get pregnant within the 12 months period of treatment and up to 6 months after discontinuation of therapy, no adequate contraception, lactation
  • Men not practicing or willing to practice acceptable methods of contraception during the treatment period and up to 6 months after discontinuation of therapy
  • Life expectancy < 1 year
  • Child Pugh B or C (Appendix III)
  • Creatinine > 150 μmol/L or > 1.70 mg/dl
  • Haemoglobulin < 6.5 mmol/l or < 10.5 g/dl
  • White blood cell count < 2,5 x 109/L, neutrophil < 1,5 x 109/L
  • Platelet count < 70 x 109/L
  • HIV positivity
  • Chemotherapy, systematical antiviral treatment during the 6 months prior to study entry
  • Other serious disease (e.g. malignancy, uncontrolled myocardial disease or severe arrhythmias)
  • Active uncontrolled psychiatric disorders and suicidal leanings
  • Patients with a history of uncontrolled seizure or other significant CNS dysfunction
  • Any condition which in the opinion of the (co-)investigator might interfere with the evaluation of the study objectives

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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