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Romiplostim in Treating Hepatitis C-Infected Patients With Thrombocytopenia

2014-08-27 03:12:31 | BioPortfolio

Summary

RATIONALE: Romiplostim may cause the body to make platelets.

PURPOSE: This randomized phase II trial is studying how well romiplostim works in treating hepatitis C-infected patients with thrombocytopenia.

Description

PRIMARY OBJECTIVES:

I. To assess the platelet count response to administration of weekly romiplostim patients with HCV infection whose initial platelet count is < 70,000/L.

SECONDARY OBJECTIVES:

I. To assess the safety and tolerability of romiplostim the treatment of patients with HCV infection and thrombocytopenia; including physical symptoms and findings, hematologic, serum chemistries and liver function tests and adverse events.

II. To assess the ability of romiplostim to enable subjects to achieve a platelet count sufficient to start antiviral therapy.

III. To assess the ability of romiplostim to maintain platelet counts greater than 50,000/L while receiving antiviral therapy with pegylated interferon and ribavirin.

OUTLINE: Patients are randomized to 1 of 2 treatment arms.

Arm I: Patients receive romiplostim subcutaneously once weekly for 8 weeks in the absence of disease progression or unacceptable toxicity.

Arm II: Patients receive placebo subcutaneously once weekly for 8 weeks. Patients failing to achieve a platelet count of > 100,000/L cross over to arm I.

Patients achieving a platelet count of > 100,000/L at 8 weeks receive PEG-interferon alfa-2a subcutaneously once weekly and oral ribavirin once daily. Treatment repeats every 7 days for 24-48 courses in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed at 4 and 36 weeks.

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Conditions

Hepatitis C Infection

Intervention

romiplostim, ribavirin, placebo, PEG-interferon alfa-2a, laboratory biomarker analysis

Location

USC/Norris Comprehensive Cancer Center
Los Angeles
California
United States
90033

Status

Recruiting

Source

USC/Norris Comprehensive Cancer Center

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:12:31-0400

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Medical and Biotech [MESH] Definitions

A recombinant alfa interferon consisting of 165 amino acids with arginine at positions 23 and 34. It is used extensively as an antiviral and antineoplastic agent.

A recombinant alfa interferon consisting of 165 amino acids with lysine at position 23 and histidine at position 34. It is used extensively as an antiviral and antineoplastic agent.

A recombinant alfa interferon consisting of 165 amino acid residues with arginine in position 23 and histidine in position 34. It is used extensively as an antiviral and antineoplastic agent.

Interferon secreted by leukocytes, fibroblasts, or lymphoblasts in response to viruses or interferon inducers other than mitogens, antigens, or allo-antigens. They include alpha- and beta-interferons (INTERFERON-ALPHA and INTERFERON-BETA).

An interferon regulatory factor that binds upstream TRANSCRIPTIONAL REGULATORY ELEMENTS in the GENES for INTERFERON-ALPHA and INTERFERON-BETA. It functions as a transcriptional activator for the INTERFERON TYPE I genes.

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