# OPsumit USers Registry

> **NCT02126943** · — · COMPLETED · sponsor: **Actelion** · enrollment: 2686 (actual)

## Conditions studied

- Pulmonary Arterial Hypertension

## Interventions

- **DRUG:** Opsumit (macitentan)

## Key facts

- **NCT ID:** NCT02126943
- **Lead sponsor:** Actelion
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2014-04-30
- **Primary completion:** 2020-04-24
- **Final completion:** 2020-04-24
- **Target enrollment:** 2686 (ACTUAL)
- **Last updated:** 2025-03-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02126943

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02126943, "OPsumit USers Registry". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT02126943. Licensed CC0.

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