# An Observational Study to Assess the Effect of Cumulative Ribavirin Dose in Participants With Chronic Hepatitis C

> **NCT02557646** · — · COMPLETED · sponsor: **Hoffmann-La Roche** · enrollment: 697 (actual)

## Conditions studied

- Hepatitis C, Chronic

## Interventions

- **BIOLOGICAL:** Peginterferon alfa-2a
- **DRUG:** Ribavirin

## Key facts

- **NCT ID:** NCT02557646
- **Lead sponsor:** Hoffmann-La Roche
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2009-05
- **Primary completion:** 2014-03
- **Final completion:** 2014-03
- **Target enrollment:** 697 (ACTUAL)
- **Last updated:** 2016-03-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02557646

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02557646, "An Observational Study to Assess the Effect of Cumulative Ribavirin Dose in Participants With Chronic Hepatitis C". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT02557646. Licensed CC0.

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