A Dose Ranging Study Of PF-00868554 In Combination With PEGASYS And COPEGUS In Patients With Chronic Hepatitis C Genotype 1 Infection

NCT ID: NCT00720434

Last Updated: 2013-08-26

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

35 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-08-31

Study Completion Date

2010-03-31

Brief Summary

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The purpose of this study is to further assess the potency of PF-00868554, an HCV polymerase inhibitor, in subjects chronically infected with HCV by evaluating the antiviral activity of PF-00868554 in combination with current standard of care therapy, pegylated interferon-alpha2a (PEGASYS) and ribavirin (COPEGUS).

Detailed Description

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Conditions

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Hepatitis C

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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A

500 mg BID

Group Type EXPERIMENTAL

PF-00868554

Intervention Type DRUG

500 mg BID administered as 5x100 mg tablets for 4 weeks in combination with standard of care; standard of care continued for an additional 44 weeks.

B

300 mg BID

Group Type EXPERIMENTAL

PF-00868554

Intervention Type DRUG

300 mg BID administered as 3x100 mg tablets for 4 weeks in combination with standard of care; standard of care continued for an additional 44 weeks

C

200 mg BID

Group Type EXPERIMENTAL

PF-00868554

Intervention Type DRUG

200 mg BID administered as 2x100 mg tablets for 4 weeks in combination with standard of care; standard of care continued for an additional 44 weeks

D

Placebo

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Placebo administered for 4 weeks in combination with standard of care; standard of care continued for an additional 44 weeks

Interventions

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PF-00868554

500 mg BID administered as 5x100 mg tablets for 4 weeks in combination with standard of care; standard of care continued for an additional 44 weeks.

Intervention Type DRUG

PF-00868554

300 mg BID administered as 3x100 mg tablets for 4 weeks in combination with standard of care; standard of care continued for an additional 44 weeks

Intervention Type DRUG

PF-00868554

200 mg BID administered as 2x100 mg tablets for 4 weeks in combination with standard of care; standard of care continued for an additional 44 weeks

Intervention Type DRUG

Placebo

Placebo administered for 4 weeks in combination with standard of care; standard of care continued for an additional 44 weeks

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Treatment naive (no prior treatment with IFN-a +/- RBV regimens.
* Subjects who have discontinued IFN-a containing regimens after \<2 weeks of therapy due to tolerability issues are considered treatment naive.
* HCV RNA \> 100,000 IU/mL at screening.
* Genotype 1.
* A diagnosis of chronic HCV infection for at least 6 months.

Exclusion Criteria

* Evidence of acute or chronic infection with HIV or HBV.
* Exposure within the previous three months to an investigational anti-HCV agent.
* Evidence of severe or decompensated liver disease.
* Subjects with liver disease unrelated to HCV infection.
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Pfizer

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Pfizer CT.gov Call Center

Role: STUDY_DIRECTOR

Pfizer

Locations

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Pfizer Investigational Site

La Jolla, California, United States

Site Status

Pfizer Investigational Site

San Francisco, California, United States

Site Status

Pfizer Investigational Site

Orlando, Florida, United States

Site Status

Pfizer Investigational Site

Springfield, Massachusetts, United States

Site Status

Pfizer Investigational Site

New York, New York, United States

Site Status

Pfizer Investigational Site

New York, New York, United States

Site Status

Pfizer Investigational Site

Tulsa, Oklahoma, United States

Site Status

Pfizer Investigational Site

Nashville, Tennessee, United States

Site Status

Pfizer Investigational Site

San Antonio, Texas, United States

Site Status

Pfizer Investigational Site

Santurce, , Puerto Rico

Site Status

Countries

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United States Puerto Rico

Related Links

Other Identifiers

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A8121007

Identifier Type: -

Identifier Source: org_study_id