Study of Nitazoxanide, Peginterferon Alfa-2a and Ribavirin in Treatment-Naive Hepatitis C Patients

NCT ID: NCT00637923

Last Updated: 2014-02-10

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

112 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-03-31

Study Completion Date

2010-04-30

Brief Summary

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The purpose of this study is to determine if nitazoxanide in combination with peginterferon alfa-2a and ribavirin is safe and effective in treating chronic hepatitis C in treatment-naive patients.

Detailed Description

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Conditions

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Chronic Hepatitis C

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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1

One nitazoxanide 500 mg tablet orally with food twice daily (b.i.d.) for 4 weeks followed by 500 mg nitazoxanide b.i.d. plus one weekly injection of 180µg of peginterferon α-2a plus weight-based ribavirin for 48 weeks.

Group Type EXPERIMENTAL

Nitazoxanide

Intervention Type DRUG

One nitazoxanide 500 mg tablet orally with food twice daily (b.i.d.) for 4 weeks followed by 500 mg nitazoxanide b.i.d. plus one weekly injection of 180µg of peginterferon α-2a plus weight-based ribavirin for 48 weeks.

Peginterferon alfa-2a

Intervention Type BIOLOGICAL

One weekly injection of 180µg of peginterferon α-2a for 48 weeks.

Ribavirin

Intervention Type DRUG

Weight-based ribavirin for 48 weeks.

2

One placebo tablet orally with food twice daily (b.i.d.) for 4 weeks followed by placebo b.i.d. plus one weekly injection of 180µg of peginterferon α-2a plus weight-based ribavirin for 48 weeks.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

One placebo tablet orally with food twice daily (b.i.d.) for 4 weeks followed by placebo b.i.d. plus one weekly injection of 180µg of peginterferon α-2a plus weight-based ribavirin for 48 weeks.

Peginterferon alfa-2a

Intervention Type BIOLOGICAL

One weekly injection of 180µg of peginterferon α-2a for 48 weeks.

Ribavirin

Intervention Type DRUG

Weight-based ribavirin for 48 weeks.

Interventions

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Nitazoxanide

One nitazoxanide 500 mg tablet orally with food twice daily (b.i.d.) for 4 weeks followed by 500 mg nitazoxanide b.i.d. plus one weekly injection of 180µg of peginterferon α-2a plus weight-based ribavirin for 48 weeks.

Intervention Type DRUG

Placebo

One placebo tablet orally with food twice daily (b.i.d.) for 4 weeks followed by placebo b.i.d. plus one weekly injection of 180µg of peginterferon α-2a plus weight-based ribavirin for 48 weeks.

Intervention Type DRUG

Peginterferon alfa-2a

One weekly injection of 180µg of peginterferon α-2a for 48 weeks.

Intervention Type BIOLOGICAL

Ribavirin

Weight-based ribavirin for 48 weeks.

Intervention Type DRUG

Other Intervention Names

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Alinia PEGASYS COPEGUS

Eligibility Criteria

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Inclusion Criteria

* Chronic hepatitis C genotype 1.

Exclusion Criteria

* Patients that have previously received treatment with any interferon or interferon-based treatment for chronic hepatitis C.
* Females of child-bearing age who are either pregnant, breast-feeding or not using birth control and are sexually active.
* Males whose female partners are either pregnant or of child-bearing potential or not using birth control and are sexually active.
* Other causes of liver disease including autoimmune hepatitis.
* Transplant recipients receiving immune suppression therapy.
* Screening tests positive for Anti-Hepatitis A Virus Immunoglobulin M Antibody (anti-HAV IgM Ab), Hepatitis B's antigen (HBsAg), Anti-Hepatitis B core Immunoglobulin M Antibody (anti-HBc IgM Ab) or Anti-Human Immunodeficiency Virus Antibody (anti-HIV Ab).
* Decompensated cirrhosis, history of variceal bleeding, ascites, hepatic encephalopathy, Child-Turcotte-Pugh (CTP) score \>6 or Model for End-stage Liver Disease (MELD) score \>8.
* Alcohol consumption of \>40 grams per day or an alcohol use pattern that will interfere with the study.
* Absolute neutrophil count \<1500 cells/mm3; platelet count \<135,000 cells/mm3; hemoglobin \<12 g/dL for women and \<13 g/dL for men; or serum creatinine concentration ≥1.5 times Upper Limit of Normal (ULN).
* Hypothyroidism or hyperthyroidism not effectively treated with medication.
* Hemoglobin A1C (HgbA1c) \>7.5 or history of diabetes mellitus.
* Body Mass Index (BMI) \>34.
* History or other clinical evidence of significant or unstable cardiac disease.
* History or other clinical evidence of chronic pulmonary disease associated with functional impairment.
* Serious or severe bacterial infection(s).
* Ulcerative or hemorrhagic/ischemic colitis.
* Pancreatitis.
* History of severe or uncontrolled psychiatric disease, including severe depression, history of suicidal ideation, suicidal attempts or psychosis requiring medication and/or hospitalization.
* History of uncontrolled severe seizure disorder.
* Requires concomitant theophylline or methadone.
* History of immunologically mediated disease requiring more than intermittent anti-inflammatory medications for management or that requires frequent or prolonged use of corticosteroids.
* History or other evidence of severe retinopathy or clinically relevant ophthalmological disorder due to diabetes mellitus or hypertension.
* Hemoglobinopathies.
* History of hypersensitivity or intolerance to nitazoxanide or any of the excipients comprising the nitazoxanide tablets, peginterferon alfa-2a injectable solution or ribavirin tablets.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Romark Laboratories L.C.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Emmet B Keeffe, MD, MACP

Role: STUDY_DIRECTOR

Romark Laboratories L.C.

Norman Gitlin, MD

Role: PRINCIPAL_INVESTIGATOR

Atlanta Gastroenterology Associates

Joseph K Lim, MD

Role: PRINCIPAL_INVESTIGATOR

Yale University

Ira Jacobson, MD

Role: PRINCIPAL_INVESTIGATOR

New York Presbyterial-Weill Medical College of Cornell University

Mitchell L Shiffman, MD

Role: PRINCIPAL_INVESTIGATOR

McGuire Veteran's Administration Medical Center

Ronald E Pruitt, MD

Role: PRINCIPAL_INVESTIGATOR

Nashville Medical Research Institute

Arthur Berman, DO

Role: PRINCIPAL_INVESTIGATOR

Florida Center for Gastroenterology

Bruce Bacon, MD

Role: PRINCIPAL_INVESTIGATOR

St. Louis University Medical Center

Nezam Afdhal, MD

Role: PRINCIPAL_INVESTIGATOR

Beth Israel Deaconess Medical Center

David Johnson, MD

Role: PRINCIPAL_INVESTIGATOR

Bay Pines VA Healthcare System

Raymond Chung, MD

Role: PRINCIPAL_INVESTIGATOR

Massachusetts General Hospital

Vinod Rustgi, MD

Role: PRINCIPAL_INVESTIGATOR

Metropolitan Research

Aijaz Ahmed, MD

Role: PRINCIPAL_INVESTIGATOR

Stanford University

Locations

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Palo Alto VA Healthcare System

Palo Alto, California, United States

Site Status

Yale University School of Medicine

New Haven, Connecticut, United States

Site Status

Bay Pines VA Healthcare System

Bay Pines, Florida, United States

Site Status

Florida Center for Gastroenterology

Largo, Florida, United States

Site Status

Atlanta Gastroenterology Associates

Atlanta, Georgia, United States

Site Status

Massachusetts General Hospital

Boston, Massachusetts, United States

Site Status

Beth Israel Deaconess Medical Center

Boston, Massachusetts, United States

Site Status

New York Presbyterian-Weill Medical College of Cornell University

New York, New York, United States

Site Status

Nashville Medical Research Institute

Nashville, Tennessee, United States

Site Status

Metropolitan Research

Fairfax, Virginia, United States

Site Status

Countries

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United States

Other Identifiers

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RM01-2026

Identifier Type: -

Identifier Source: org_study_id

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