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Proof of Concept Study to Determine the Safety and Antiviral Effect of BZF961 With or Without Ritonavir Boosting in Hepatitis C Virus Infected Patients

Double-blind, Randomized, Placebo-controlled, Multi-center Trial to Determine the Safety and Antiviral Effect of 3 Days of BZF961 With or Without Ritonavir Boosting in Hepatitis C Virus (HCV) Infected Patients

Status
Completed
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01825980
Acronym
CBZF961X2201
Enrollment
54
Registered
2013-04-08
Start date
2013-03-31
Completion date
2014-12-31
Last updated
2021-02-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hepatitis C

Brief summary

To evaluate the antiviral activity of 3 days of BZF961. To determine safety and tolerability of BZF961 in HCV patients. To evaluate pharmacokinetics of BZF961 in HCV patients.

Interventions

DRUGBZF961

There will be 2 parts to the study: Part 1: BZF monotherapy. Part 2: Cohort IIa: BZF961 monotherapy at 3 TBD doses; Cohort IIb: BZF961 in combination with ritonavir at TBD doses.

DRUGRitonavir

Ritonavir will be given as a boosting agent in Part 2, Cohort IIb in combination with BZF961

DRUGPlacebo

Placebo

Sponsors

Novartis Pharmaceuticals
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
FACTORIAL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Healthy volunteers
No

Inclusion criteria

* Written informed consent must be obtained before any assessment is performed Male & female treatment naive subjects, age 18-60 years of age with Hepatitis C genotype-1. Subjects must weight at least 50kg to participate in the study, and must have a body mass index (BMI) within the range of 18-36 kg/m2 Able to communicate well with the investigator, to understand and comply with the study requirements.

Exclusion criteria

* Use of other investigational drugs at the time of enrollment, or within 30 days or 5 half-lives of enrollment, whichever is longer: or longer if required by local regulations, and for any other limitation of participation in an investigational trial based on local regulations. Subjects that were previously treated for HCV infection.

Design outcomes

Primary

MeasureTime frameDescription
HCV viral loadDay 3Viral load samples will be taken at Day 3.

Secondary

MeasureTime frame
Number of participants with adverse events as a measure of safety2 weeks
Total BZF961 concentration in plasmaDay 4

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026