A Drug-drug Interaction Study With Risdiplam Multiple Dose and Midazolam in Healthy Participants
Public ClinicalTrials.gov record NCT03988907. 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
A Phase I, 2-Part, Open-Label Study to Investigate the Safety, Tolerability, and Pharmacokinetics of Multiple Doses of Risdiplam and the Effect of Risdiplam on the Pharmacokinetics of Midazolam Following Oral Administration in Healthy Participants
Study identification
- NCT ID
- NCT03988907
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- Hoffmann-La Roche
- Industry
- Enrollment
- 35 participants
Conditions and interventions
Conditions
Interventions
- Risdiplam Drug
- Midazolam Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 55 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
- Jun 17, 2019
- Primary completion
- Sep 28, 2019
- Completion
- Sep 28, 2019
- Last update posted
- Oct 18, 2020
2019
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Covance Research Unit - Dallas | Dallas | Texas | 75247 | — |
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 NCT03988907, 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 Oct 18, 2020 · Synced Jun 27, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03988907 live on ClinicalTrials.gov.