# A Study on the Interaction Between Danoprevir/Ritonavir and Methadone

> **NCT01389544** · PHASE1 · COMPLETED · sponsor: **Hoffmann-La Roche** · enrollment: 18 (actual)

## Conditions studied

- Healthy Volunteer

## Interventions

- **DRUG:** danoprevir
- **DRUG:** methadone
- **DRUG:** ritonavir

## Key facts

- **NCT ID:** NCT01389544
- **Lead sponsor:** Hoffmann-La Roche
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2011-06
- **Primary completion:** 2011-07
- **Final completion:** 2011-07
- **Target enrollment:** 18 (ACTUAL)
- **Last updated:** 2016-11-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01389544

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01389544, "A Study on the Interaction Between Danoprevir/Ritonavir and Methadone". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT01389544. Licensed CC0.

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