# BAY63-2521:Long-term Extension Study in Patients With Pulmonary Arterial Hypertension

> **NCT00863681** · PHASE3 · COMPLETED · sponsor: **Bayer** · enrollment: 396 (actual)

## Conditions studied

- Hypertension, Pulmonary

## Interventions

- **DRUG:** Riociguat (BAY63-2521)

## Key facts

- **NCT ID:** NCT00863681
- **Lead sponsor:** Bayer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2009-03-12
- **Primary completion:** 2019-08-19
- **Final completion:** 2019-08-19
- **Target enrollment:** 396 (ACTUAL)
- **Last updated:** 2023-11-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00863681

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00863681, "BAY63-2521:Long-term Extension Study in Patients With Pulmonary Arterial Hypertension". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT00863681. Licensed CC0.

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