# Long-term, Extension Study of DS-5141b in Patients With Duchenne Muscular Dystrophy

> **NCT04433234** · PHASE2 · ACTIVE_NOT_RECRUITING · sponsor: **Daiichi Sankyo Co., Ltd.** · enrollment: 8 (estimated)

## Conditions studied

- Duchenne Muscular Dystrophy

## Interventions

- **DRUG:** DS-5141b

## Key facts

- **NCT ID:** NCT04433234
- **Lead sponsor:** Daiichi Sankyo Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2020-06-30
- **Primary completion:** 2027-01-31
- **Final completion:** 2027-01-31
- **Target enrollment:** 8 (ESTIMATED)
- **Last updated:** 2025-09-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04433234

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04433234, "Long-term, Extension Study of DS-5141b in Patients With Duchenne Muscular Dystrophy". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT04433234. Licensed CC0.

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