Recruiting PHASE4 INTERVENTIONAL 2-arm NCT06468202

Effectiveness of Two Aspirin Doses for Prevention of Hypertensive Disorders of Pregnancy: ASPIRIN TRIAL (ASPIRIN)

Comparative Effectiveness of Two Aspirin Doses for Prevention of Hypertensive Disorders of Pregnancy: ASPIRIN TRIAL

Sponsor: Northwestern University

Conditions Gestational Hypertension Hypertensive Disorders of Pregnancy Preeclampsia

Interventions Aspirin 162 mg Aspirin 81 mg

Updated 8 times since 2024 Last updated: Dec 22, 2025 Started: Oct 18, 2024 Primary completion: Jan 1, 2029 Completion: Feb 1, 2030

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE4 clinical study on Gestational Hypertension and Hypertensive Disorders of Pregnancy, this trial is actively recruiting participants. The trial is conducted by Northwestern University and has accumulated 8 data snapshots since 2024. Cardiovascular trials of this type often inform treatment guidelines for long-term patient management.

Status Flow

Change History

8 versions recorded

Jan 2026 — Present [monthly]

Recruiting PHASE4
Sep 2025 — Jan 2026 [monthly]

Recruiting PHASE4
Jul 2025 — Sep 2025 [monthly]

Recruiting PHASE4
Jun 2025 — Jul 2025 [monthly]

Recruiting PHASE4
Mar 2025 — Jun 2025 [monthly]

Recruiting PHASE4

▶ Show 3 earlier versions

Dec 2024 — Mar 2025 [monthly]

Recruiting PHASE4

Status: Not Yet Recruiting → Recruiting
Sep 2024 — Dec 2024 [monthly]

Not Yet Recruiting PHASE4
Jul 2024 — Sep 2024 [monthly]

Not Yet Recruiting PHASE4

First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Northwestern University
Ohio State University
Patient-Centered Outcomes Research Institute
Preeclampsia Foundation

Data source: Ohio State University

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

Study Locations

Albuquerque, United States , Birmingham, United States , Chapel Hill, United States , Chicago, United States , Columbus, United States , Falls Church, United States , Houston, United States , Jackson, United States , Los Angeles, United States , Milwaukee, United States and 6 more locations