# Extension Study to Evaluate the Safety and Efficacy of Luspatercept in Participants With β-Thalassemia Previously Enrolled in A536-04 (A536-06/MK-6143-004)

> **NCT02268409** · PHASE2 · COMPLETED · sponsor: **Acceleron Pharma, Inc., a wholly-owned subsidiary of Merck & Co., Inc., Rahway, NJ USA** · enrollment: 51 (actual)

## Conditions studied

- β-Thalassemia

## Interventions

- **DRUG:** luspatercept

## Key facts

- **NCT ID:** NCT02268409
- **Lead sponsor:** Acceleron Pharma, Inc., a wholly-owned subsidiary of Merck & Co., Inc., Rahway, NJ USA
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2014-10-20
- **Primary completion:** 2020-06-18
- **Final completion:** 2020-06-18
- **Target enrollment:** 51 (ACTUAL)
- **Last updated:** 2024-07-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02268409

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02268409, "Extension Study to Evaluate the Safety and Efficacy of Luspatercept in Participants With β-Thalassemia Previously Enrolled in A536-04 (A536-06/MK-6143-004)". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT02268409. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
