deltatrials
Completed PHASE1 INTERVENTIONAL 4-arm NCT06444178

Assessment of Gastrointestinal Blood Loss After Receiving Aspirin or Aspirin Plus Rivaroxaban, or Aspirin Plus REGN9933, or Aspirin Plus REGN7508 in Healthy Adult Participants

A Parallel Group Study in Healthy Participants to Quantitate Increases in Subclinical Gastrointestinal Blood Loss Following Administration of Aspirin Alone or in Combination With Rivaroxaban or Factor XI Inhibitors (REGN9933 or REGN7508)

Sponsor: Regeneron Pharmaceuticals

Updated 7 times since 2024 Last updated: Jul 15, 2025 Started: Sep 30, 2024 Primary completion: Apr 7, 2025 Completion: Jul 9, 2025
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE1 clinical study on Healthy Volunteers, this trial is completed. The trial is conducted by Regeneron Pharmaceuticals and has accumulated 7 data snapshots since 2024. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotNot Yet Recruiting~Sep 2024 – ~Oct 2024 · 30 days · monthly snapshot~Oct 2024 – ~Nov 2024 · 31 days · monthly snapshot~Nov 2024 – ~Jun 2025 · 7 months · monthly snapshotRecruiting~Jun 2025 – ~Jul 2025 · 30 days · monthly snapshot~Jul 2025 – ~Aug 2025 · 31 days · monthly snapshot~Aug 2025 – present · 11 months · monthly snapshotCompleted

Change History

7 versions recorded
  1. Aug 2025 — Present [monthly]

    Completed PHASE1

    Status: Active Not RecruitingCompleted

  2. Jul 2025 — Aug 2025 [monthly]

    Active Not Recruiting PHASE1

    Status: RecruitingActive Not Recruiting

  3. Jun 2025 — Jul 2025 [monthly]

    Recruiting PHASE1

  4. Nov 2024 — Jun 2025 [monthly]

    Recruiting PHASE1

    Status: Not Yet RecruitingRecruiting

  5. Oct 2024 — Nov 2024 [monthly]

    Not Yet Recruiting PHASE1

Show 2 earlier versions
  1. Sep 2024 — Oct 2024 [monthly]

    Not Yet Recruiting PHASE1

  2. Jul 2024 — Sep 2024 [monthly]

    Not Yet Recruiting PHASE1

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Regeneron Pharmaceuticals
Data source: Regeneron Pharmaceuticals

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

Study Locations