Status:
COMPLETED
Safety and Tolerability Study of Clemizole Hydrochloride to Treat Hepatitis C in Subjects Who Are Treatment-Naive
Lead Sponsor:
Eiger BioPharmaceuticals
Conditions:
Hepatitis C
Eligibility:
All Genders
18-55 years
Phase:
PHASE1
Brief Summary
The purpose of this study is to test the hypothesis that clemizole hydrochloride is safe and well tolerated when administered to subjects who are infected with hepatitis C virus and have not yet recei...
Detailed Description
This study is a phase 1b, open label study of four weeks of treatment with 100 mg po BID of clemizole hydrochloride administered immediately prior to the initiation of treatment with HCV standard of c...
Eligibility Criteria
Inclusion
- Males or females, 18 to 55 years of age who are diagnosed with HCV by PCR
- HCV treatment-naïve patients who have already committed to undergo standard of care therapy (SOC) for HCV (pegylated interferon and ribavirin), and who wish to participate in a study immediately prior to the initiation of SOC
- Chronic hepatitis C infection, genotype 1 or genotype 2, two documented tests (PCR or HCV Ab; if one of the tests is HCV Ab, then the second test must be PCR and the PCR test must be at least 6 months after the HCV Ab test) at least 6 months apart
- Liver biopsy within the last two (2) years (biopsy can be done at the Screening Visit)
- Positive viral load of \<1,000,000 IU/mL as measured by quantitative PCR
- Electrocardiogram (ECG) shows no acute ischemia or clinically significant abnormality and a QT/QTc interval \<450 milliseconds - using Bazett's correction: QTc =QT/RR0.5 (ICH Guidance E14 Clinical Evaluation of QT/QTc Interval Prolongation and Proarrhythmic Potential for Non-Antiarrhythmic Drugs)
- Females of childbearing potential (intact uterus and within 1 year since the last menstrual period) should be non-lactating and have a negative serum pregnancy test. In addition, these subjects should agree to use one of the following acceptable birth control methods throughout the study:
- abstinence
- surgical sterilization (bilateral tubal ligation, hysterectomy, bilateral oophorectomy) six months minimum
- IUD in place for at least six months
- barrier methods (condom or diaphragm) with spermicide
- surgical sterilization of the partner (vasectomy for six months)
- hormonal contraceptives for at least three months prior to the first dose of study drug
- Willing and able to comply with study procedures and provide written informed consent
Exclusion
- Participation in a clinical trial with or use of any investigational agent within 30 days of Study Visit 1
- Patients co-infected with HIV
- Patients with screening tests positive for HBsAg, or anti-HIV Ab
- Liver biopsy within the last 2 years that shows Stage III fibrosis or higher
- Clinical evidence or suspicion of cirrhosis
- Active jaundice defined by total bilirubin \>2.0
- INR ≥ 1.5
- Eating disorder or alcohol abuse within the past 2 years, excessive alcohol intake (\>20 g per day for females (1.5 standard alcohol drinks) or \>30 g per day for males (2.0 standard alcohol drinks) (a standard drink contains 14 g of alcohol: 12 oz of beer, 5 oz of wine or 1.5 oz of spirits) (1.0 fluid oz (US) = 29.57 ml), or if in the opinion of the investigator, an alcohol use pattern that will interfere with the study conduct
- Drug abuse within the last six months with the exception of cannabinoids and their derivatives
- Patients with absolute neutrophil count (ANC) \<1500 cells/mm3; platelet count \<135,000 cells/mm3; hemoglobin \<12 g/dL for women and \<13 g/dL for men; abnormal TSH,T4, or T3or thyroid function not adequately controlled; or serum creatinine concentration ≥1.5 times upper limit of normal (ULN)
- History or clinical evidence of any of the following:
- variceal bleeding, ascites, hepatic encephalopathy, CTP score \>6, decompensated liver disease or any other form of non-viral hepatitis
- immunologically mediated disease (e.g., rheumatoid arthritis, inflammatory bowel disease, severe psoriasis, systemic lupus erythematosus) requiring more than intermittent nonsteroidal anti-inflammatory medications for management or that requires frequent or prolonged use of corticosteroids (inhaled asthma medications are allowed)
- any malignancy within 3 years except for basal cell skin cancer
- significant or unstable cardiac disease (e.g., angina, congestive heart failure, uncontrolled hypertension, history of arrhythmia)
- chronic pulmonary disease (e.g., chronic obstructive pulmonary disease) associated with functional impairment
- severe or uncontrolled psychiatric disease, including severe depression, history of suicidal ideation, suicidal attempts or psychosis requiring medication and/or hospitalization
- Patients with a body mass index \>30 kg/m2
- Concomitant drugs known to prolong the QT interval (see Appendix E)
- Concomitant use of immunosuppressive or immune modulating agents
- Patients with any serious or condition that, in the opinion of the investigator, would preclude evaluation of response or make it unlikely that the contemplated course of therapy and follow-up could be completed or increase the risk to the subject of participation in the trial
Key Trial Info
Start Date :
July 1 2009
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
August 1 2010
Estimated Enrollment :
12 Patients enrolled
Trial Details
Trial ID
NCT00945880
Start Date
July 1 2009
End Date
August 1 2010
Last Update
April 15 2021
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