# A Drug-drug Interaction Study With Risdiplam Multiple Dose and Midazolam in Healthy Participants

> **NCT03988907** · PHASE1 · COMPLETED · sponsor: **Hoffmann-La Roche** · enrollment: 35 (actual)

## Conditions studied

- Spinal Muscular Atrophy

## Interventions

- **DRUG:** Risdiplam
- **DRUG:** Midazolam

## Key facts

- **NCT ID:** NCT03988907
- **Lead sponsor:** Hoffmann-La Roche
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-06-18
- **Primary completion:** 2019-09-29
- **Final completion:** 2019-09-29
- **Target enrollment:** 35 (ACTUAL)
- **Last updated:** 2020-10-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03988907

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03988907, "A Drug-drug Interaction Study With Risdiplam Multiple Dose and Midazolam in Healthy Participants". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT03988907. Licensed CC0.

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