Completed PHASE4 INTERVENTIONAL 2-arm NCT00766896

Platelet Hyperreactivity to Aspirin and Stroke (PLARAS)

Platelet Hyperreactivity to Aspirin and Stroke: A Prospective Study With Clinical Outcomes

Sponsor: Accumetrics, Inc.

Conditions Acute Coronary Syndrome Atherosclerosis Cardiovascular Diseases Cerebral Infarction Ischemia Stroke Thrombosis Vascular Diseases

Interventions Aspirin (platelet sensitive versus platelet hyperreactivity)

Updated 6 times since 2017 Last updated: Jun 20, 2013 Started: Jul 31, 2009 Primary completion: Jun 30, 2013 Completion: Jun 30, 2013

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

This PHASE4 trial investigates Acute Coronary Syndrome and Atherosclerosis and is currently completed. Accumetrics, Inc. leads this study, which shows 6 recorded versions since 2009 — indicating limited longitudinal coverage. Heart and vascular conditions benefit from the kind of long-term tracking this trial provides.

Status Flow

Change History

6 versions recorded

Sep 2025 — Present [monthly]

Completed PHASE4
Sep 2024 — Sep 2025 [monthly]

Completed PHASE4
Jul 2024 — Sep 2024 [monthly]

Completed PHASE4
Jan 2021 — Jul 2024 [monthly]

Completed PHASE4
Jun 2018 — Jan 2021 [monthly]

Completed PHASE4

▶ Show 1 earlier version

Jan 2017 — Jun 2018 [monthly]

Completed PHASE4

First recorded

Jul 2009

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Accumetrics, Inc.
Chrono-Log Corporation
Fundação de Amparo à Pesquisa do Estado de São Paulo
Helena Laboratories Point of Care
University of Sao Paulo

Data source: University of Sao Paulo

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

Study Locations

• São Paulo, Brazil