deltatrials
Terminated PHASE2 INTERVENTIONAL 2-arm NCT05339087

Efficacy and Safety of Riociguat in Incipient Pulmonary Vascular Disease as an Indicator for Early PAH (ESRA)

Efficacy and Safety of Riociguat (MK-4836) in Incipient Pulmonary Vascular Disease as an Indicator for Early Pulmonary Arterial Hypertension Double-blind, Randomized, Multicenter, Multinational, Placebo-controlled Phase IIa Study (ESRA)

Sponsor: Heidelberg University

Updated 13 times since 2022 Last updated: Jan 15, 2026 Started: Oct 24, 2022 Primary completion: Jul 31, 2025 Completion: Jul 31, 2025
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Terminated

Strategic re-prioritization by the IMP supplier. Decision not safety-related.

Listed as NCT05339087, this PHASE2 trial focuses on Other Systemic Involvement of Connective Tissue and Primary Pulmonary Hypertension and remains terminated or withdrawn. Sponsored by Heidelberg University, it has been updated 13 times since 2022, reflecting substantial change activity. This study contributes longitudinal data to the cardiovascular research landscape.

Status Flow

~May 2022 – ~Jun 2022 · 31 days · monthly snapshot~Jun 2022 – ~Sep 2022 · 3 months · monthly snapshot~Sep 2022 – ~Feb 2023 · 5 months · monthly snapshot~Feb 2023 – ~Jul 2023 · 5 months · monthly snapshot~Jul 2023 – ~Apr 2024 · 9 months · monthly snapshot~Apr 2024 – ~Jul 2024 · 3 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Jan 2025 · 4 months · monthly snapshot~Jan 2025 – ~Aug 2025 · 7 months · monthly snapshot~Aug 2025 – ~Sep 2025 · 31 days · monthly snapshot~Sep 2025 – ~Oct 2025 · 30 days · monthly snapshot~Oct 2025 – ~Feb 2026 · 4 months · monthly snapshot~Feb 2026 – present · 5 months · monthly snapshot

Change History

13 versions recorded
  1. Feb 2026 — Present [monthly]

    Terminated PHASE2

  2. Oct 2025 — Feb 2026 [monthly]

    Terminated PHASE2

    Status: Active Not RecruitingTerminated

  3. Sep 2025 — Oct 2025 [monthly]

    Active Not Recruiting PHASE2

  4. Aug 2025 — Sep 2025 [monthly]

    Active Not Recruiting PHASE2

    Status: RecruitingActive Not Recruiting

  5. Jan 2025 — Aug 2025 [monthly]

    Recruiting PHASE2

Show 8 earlier versions
  1. Sep 2024 — Jan 2025 [monthly]

    Recruiting PHASE2

  2. Jul 2024 — Sep 2024 [monthly]

    Recruiting PHASE2

  3. Apr 2024 — Jul 2024 [monthly]

    Recruiting PHASE2

  4. Jul 2023 — Apr 2024 [monthly]

    Recruiting PHASE2

  5. Feb 2023 — Jul 2023 [monthly]

    Recruiting PHASE2

    Status: Not Yet RecruitingRecruiting

  6. Sep 2022 — Feb 2023 [monthly]

    Not Yet Recruiting PHASE2

  7. Jun 2022 — Sep 2022 [monthly]

    Not Yet Recruiting PHASE2

  8. May 2022 — Jun 2022 [monthly]

    Not Yet Recruiting PHASE2

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Heidelberg University
  • Merck Sharp & Dohme LLC
Data source: Heidelberg University

For direct contact, visit the study record on ClinicalTrials.gov .