deltatrials
Completed PHASE2 INTERVENTIONAL 3-arm NCT03855332

Oxford Haemodynamic Adaptation to Reduce Pulsatility Trial (OxHARP)

Oxford Haemodynamic Adaptation to Reduce Pulsatility: Randomised, Placebo-controlled, Double-blind Crossover Trial of Effects of Sildenafil on Cerebral Arterial Pulsatility in Patients With Cryptogenic or Lacunar Stroke and Small Vessel Disease

Sponsor: University of Oxford

Updated 9 times since 2019 Last updated: Nov 14, 2025 Started: Jul 11, 2019 Primary completion: Dec 6, 2022 Completion: Jan 6, 2023
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT03855332, this PHASE2 trial focuses on Small Vessel Cerebrovascular Disease and remains completed. Sponsored by University of Oxford, it has been updated 9 times since 2019, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Mar 2019 – ~Sep 2019 · 6 months · monthly snapshotNot Yet Recruiting~Sep 2019 – ~Jan 2021 · 16 months · monthly snapshotRecruiting~Jan 2021 – ~Jun 2021 · 5 months · monthly snapshotRecruiting~Jun 2021 – ~Feb 2023 · 20 months · monthly snapshotRecruiting~Feb 2023 – ~Mar 2023 · 28 days · monthly snapshotUnknown Status~Mar 2023 – ~Jul 2024 · 16 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Dec 2025 · 15 months · monthly snapshotCompleted~Dec 2025 – present · 9 months · monthly snapshotCompleted

Change History

9 versions recorded
  1. Dec 2025 — Present [monthly]

    Completed PHASE2

  2. Sep 2024 — Dec 2025 [monthly]

    Completed PHASE2

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE2

  4. Mar 2023 — Jul 2024 [monthly]

    Completed PHASE2

    Status: Unknown StatusCompleted

  5. Feb 2023 — Mar 2023 [monthly]

    Unknown Status PHASE2

    Status: RecruitingUnknown Status

Show 4 earlier versions
  1. Jun 2021 — Feb 2023 [monthly]

    Recruiting PHASE2

  2. Jan 2021 — Jun 2021 [monthly]

    Recruiting PHASE2

  3. Sep 2019 — Jan 2021 [monthly]

    Recruiting PHASE2

    Status: Not Yet RecruitingRecruiting

  4. Mar 2019 — Sep 2019 [monthly]

    Not Yet Recruiting PHASE2

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • University of Oxford
  • Wellcome Trust
Data source: University of Oxford

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

Study Locations