A Study on the Interaction Between Danoprevir/Ritonavir and Methadone
Public ClinicalTrials.gov record NCT01389544. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Investigation of the Effect of Multiple Doses of Danoprevir/Ritonavir on Methadone in Subjects on Stable Methadone Maintenance Therapy (MMT)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This multicenter, open-label study will assess the effect of multiple doses of danoprevir/ritonavir on steady-state pharmacokinetics of methadone. Subjects on stable methadone maintenance therapy (20 - 120 mg daily as single oral morning dose) will receive danoprevir 100 mg orally twice daily and ritonavir 100 mg orally twice daily for 10 days.
Study identification
- NCT ID
- NCT01389544
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Enrollment
- 18 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 65 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 31, 2011
- Primary completion
- Jun 30, 2011
- Completion
- Jun 30, 2011
- Last update posted
- Nov 1, 2016
2011
United States locations
- U.S. sites
- 2
- U.S. states
- 2
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Anaheim | California | 92801 | — |
| Not listed | Overland Park | Kansas | 66211 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01389544, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Nov 1, 2016 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01389544 live on ClinicalTrials.gov.