Evaluation of the Safety, Tolerability, Pharmacokinetics, and Activity of GS-9450 in Subjects With Chronic HCV

Completed · Phase 2 · Has a placebo group

Conditions studied: HCV Infection

In brief

The purpose of this study is to examine the safety, tolerability, pharmacokinetics (studies how the body processes a drug), and initial activity of GS-9450 in preventing liver damage due to scarring, or fibrosis, caused by Hepatitis C Virus (HCV) infection.

Key facts

Study ID

NCT00725803

Run by

Gilead Sciences

People needed

33

Starts

2008-04-01

Expected to finish

2009-03-01

Last updated by the study team

2014-06-19

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Male or female, aged from 18 to 65 years old, inclusive.
• Willing and able to provide written, informed consent
• Have a body mass index between 19 and 32 kg/m2, inclusive, at screening.
• Have chronic hepatitis C infection of any genotype (and subtype).
• Subjects must be previously treated with pegylated interferon (PEG) or interferon (INF) with or without ribavirin (RBV) and either did not achieve a sustained viral response (undetectable HCV RNA) six months after cessation of anti-viral therapy, or did not tolerate PEG or INF with or without RBV therapy. Subjects who have contraindications to receiving PEG or INF with or without RBV may also be eligible.
• ALT >/= 1.5 X but < 10 X the upper limit of the normal range (ULN); aspartate aminotransferase (AST) < 10 X ULN; platelets >/= 75,000/mm3; total bilirubin </= 1.5 X ULN; prothrombin time </= 1.5 X ULN; albumin >/= 3.0 g/dL; absolute neutrophil count >/= 1,000 cells/mm3; and hemoglobin >/= 10 g/dL
• Creatinine clearance >/= 70 mL/min
• A female of non-childbearing potential who is documented as either surgically sterile or post-menopausal for >/= 2 years.
• Females < 2 years post-menopausal are required to have follicle-stimulating hormone (FSH) level of >/= 40 mIU/mL. If of child-bearing potential or FSH < 40 mIU/mL, must:
• have negative serum pregnancy test and a negative urine pregnancy test, and
• agree to use an acceptable method of contraception during heterosexual intercourse during the study and for >/= 30 days or one menstrual cycle (whichever is the longer) after last dose of study drug.
• If male, agree to use an acceptable method of contraception during heterosexual intercourse during the study and for at least 3 months after the last dose of study drug.
• Subjects should be in reasonably good health as determined by the Investigator.

You may not qualify if…

• Pregnant or breast feeding women or women who may wish to become pregnant during the study or within 30 days of study drug administration.
• Males who have partners planning to become pregnant within 30 days of study drug administration.
• Males and females of reproductive potential who are unwilling to use effective method(s) of birth control for a minimum of 30 days after ingestion of study medication
• Coinfection with hepatitis B virus (HBV) or HIV
• Known liver disease of a non-HCV etiology
• Pancreatitis
• Autoimmune disease
• History of malignancy
• Ongoing alcohol abuse.
• Recent significant infection or symptoms of infection
• Evidence of hepatocellular carcinoma (e.g., a-fetoprotein > 50 ng/mL or as indicated by recent ultrasound)
• Decompensated liver disease OR history of clinical hepatic decompensation
• Hb < 10 g/dL
• Absolute neutrophil count (ANC) < 1,000 cells/mm3
• Therapy with potentially hepatotoxic/cholestatic drugs.
• Therapy with agents having potential hepatic anti-inflammatory or anti-fibrotic properties.
• Therapy with proton pump inhibitors or histamine-2 receptor antagonists.
• Have received therapy with systemic steroids, immunosuppressant therapies or chemotherapeutic agents within 90 days prior to Day 1 or are expected to receive such therapy during the study.
• With or a history of clinically significant illness or medical disorder that may interfere with treatment, assessment or compliance.
• Have a history of a primary gastrointestinal disorder that could interfere with the absorption of the study drug or that could interfere with normal gastrointestinal anatomy or motility.
• Received study medication while participating in another research study within 60 days prior to Day 1.
• A positive urine drug screen
• Known hypersensitivity to the study drugs, the metabolites or formulation excipients.
• Known aspirin allergy.

Where it is running

• Study site — Anaheim, California, United States
• Study site — Washington D.C., District of Columbia, United States
• Study site — Orlando, Florida, United States
• Study site — Dallas, Texas, United States
• Study site — San Antonio, Texas, United States
• Study site — Frankfurt, Germany
• Study site — Hamburg, Germany
• Study site — Hanover, Germany
• Study site — Mainz, Germany
• Study site — Würzburg, Germany
• Study site — Amsterdam, Netherlands

Full record on ClinicalTrials.gov

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