Status:

UNKNOWN

Peginterferon Alfa-2a, Ribavirin, Amantadine/Placebo in Hepatitis C Virus (HCV)-Genotype-1-Infection (PRAMA)

Lead Sponsor:

University Hospital, Saarland

Collaborating Sponsors:

Hoffmann-La Roche

Conditions:

Hepatitis C, Chronic

Eligibility:

All Genders

18-70 years

Phase:

PHASE4

Brief Summary

This was a randomized, multi-center, partially placebo-controlled Phase IV study to compare the efficacy and tolerability of a 48-week combined therapy with pegylated interferon alpha-2a, ribavirin an...

Detailed Description

Primary Objective: * Proof that a triple-therapy (peginterferon alfa-2a, ribavirin and amantadine sulphate) dispensed over a period of 50 weeks, improves the permanent virological efficacy by more th...

Eligibility Criteria

Inclusion

  • Female and male subjects over 18 years of age and below 70 years of age
  • Serological indication of chronic hepatitis C infection with positive anti-HCV test and serum HCV-RNA quantification \>600 IE/ml by means of quantitative proof methods, e.g. Roche AmplicorTM HCV Monitor test, v.2.0.
  • Untreated patients with HCV-induced chronic infection.
  • Indication of a genotype HCV-1 on the basis of the reverse hybridizing assay Inno LiPA from Bayer Versant (Innogenetics).
  • Increased GPT serum level on at least one determination date within the 56-day screening phase prior to start of administration of study medication.
  • Histological identification of inflammatory activity in the liver, with or without an indication of compensated cirrhosis, during the 24 months prior to start of the study.
  • Compensated liver disease (Child-Pugh Grade A).
  • Negative urine or serum pregnancy test in fertile female subjects within 24 hours before taking the first dose of study medication.
  • During the administration of study medication and for 24 weeks after the treatment has stopped, patients must apply two approved contraception methods, one of which must have a barrier effect on the male, e.g. condom.
  • If one or more of the above inclusion criteria are not fulfilled, the patient is excluded from the study!

Exclusion

  • Any known sensitive reaction to interferon, ribavirin or amantadine sulphate.
  • Pregnant or breast-feeding women and fertile women who do not practice contraception.
  • Male partners of pregnant women.
  • Previous treatment with interferon and/or ribavirin.
  • Treatment with systemic anti-neoplastic or immunomodulatory medication (supraphysiologic doses of steroids or radiation included) within the last 6 months prior to the study and throughout the whole study.
  • Immunosuppressed/immunocompromised patients.
  • Participation in a clinical study within the last three months.
  • Infection with HCV genotype-2, -3, -4, -5 or -6.
  • Positive indication of HBsAg, HIV antibodies in the screening phase.
  • Non-hepatitis C virus-induced chronic hepatitis (e.g. hematochromatosis, autoimmune hepatitis, metabolic or alcoholic liver disease).
  • Decompensated liver cirrhosis or liver disease; Child-Pugh Grade B or C; or threshold compensated liver disease.
  • Signs of a hepatocellular carcinoma within 2 months before the randomization, coupled with existing or developing cirrhosis.
  • History of oesophagus varices haemorrhage.
  • Hemoglobin \<12 g/dl in female subjects and \<13 g/dl in male subjects in the screening phase.
  • Subjects with a higher risk of anemia (e.g. thalassemia, spherocytosis, history of gastrointestinal bleeding) or subjects for whom anemia could be a highly potential medical risk.
  • Neutropenia \<1500 /µl or thrombocytopenia \<90,000 /µl diagnosed in the screening phase.
  • Serum creatinine \>1.5 mg/dl in the screening phase.
  • History of severe psychiatric diseases, especially severe depression, whereby severe psychiatric disease is defined as any anti-depressive or anti-psychotic therapy of at least 3 months in the history, or any indication of suicidal inclination or hospitalization caused by a psychiatric disease.
  • Epilepsy.
  • Autoimmune disease (e.g. inflammatory intestinal diseases, idiopathic thrombocytopenic purpura, lupus erythematosus sclerodermia, severe psoriasis, rheumatoid arthritis, etc.).
  • History of thyroid disease, poorly controlled by prescribed medications
  • Chronic pulmonary disease with functional restriction.
  • History of severe cardiac disease, e.g. cardiac insufficiency New York Heart Association (NYHA) class III or IV; myocardial infarction within the last 6 months; ventricular tachyarrhythmia requiring treatment; unstable angina pectoris; cerebrovascular circulation disorders; or other significant cardiovascular diseases.
  • Patients with pacemakers.
  • Cardiomyopathy and myocarditis
  • Atrioventricular (AV)-block Grade II and III.
  • Previously known bradycardia rating under 55 strokes/minute
  • Known, lengthy QT-interval (QTc as per Bazett \> 420 ms) or recognizable U waves or hereditary QT-syndrome in the family history.
  • History of a severe ventricular arrythmia including Torsade de pointes.
  • Simultaneous therapy with budipine or other QT-extending medication such as:
  • Certain antiarrhythmias of class IA (e.g. quinidine, disopyramide, procainamide) and class III (such as amiodarone, sotalol);
  • Certain antipsychotics (e.g. thioridazine, chlorpromazine, haloperidol, pimozide);
  • Certain tri- and tetracyclic anti-depressive medications (e.g. amitriptyline);
  • Certain antihistaminic medications (e.g. astemizol, terfenadin);
  • Certain macrolide antibiotics (e.g. erythromycin, clarithromycin);
  • Certain gyrase inhibitors (e.g. sparfloxacin);
  • Azole-antimycotics and other medications such as halofantrine, cotrimoxazol, pentamidine, cisapride or bepridil;
  • Simultaneous treatment with Memantine.
  • Morbus Parkinson.
  • History of major organ transplantations, with the exception of cornea transplantation.
  • Cancer or any other disease, which, in the opinion of the investigator, is an exclusion criterion for the study.
  • Evidence of severe retinopathy (e.g. cytomegalovirus \[CMV\] retinitis or macular degeneration).
  • Patients with narrow-angle glaucoma.
  • Active drug abuse (excessive alcohol consumption included) within the last year prior to study (with the exception of a prescribed substitute).
  • Patients with state of agitation or confusion
  • Patients with a history of acute brain syndrome or exogenous psychosis
  • Patients are already enrolled in the study.
  • Prostate hypertrophy
  • Simultaneous administering of diuretics of combination type triamterene/hydrochlorothiazide.
  • Unwillingness or incapability to give written consent after receiving medical information; doubts about the proper protection of patient data; and general reluctance to take part in the study and to adhere to the study terms.
  • If one or more of these exclusion criteria is fulfilled, the patient shall be excluded from the study!

Key Trial Info

Start Date :

July 1 2002

Trial Type :

INTERVENTIONAL

End Date :

December 1 2006

Estimated Enrollment :

700 Patients enrolled

Trial Details

Trial ID

NCT00127777

Start Date

July 1 2002

End Date

December 1 2006

Last Update

August 25 2005

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