Efficacy of Clopidogrel on Incidence of Silent Brain Infarction
Public ClinicalTrials.gov record NCT04698031. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Stroke and Coated-Platelets - A Translational Research Initiative
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
Silent brain infarctions (SBIs) are a manifestation of covert cerebrovascular disease, without obvious clinical deficit, noted very often in patients presenting with a new stroke or new transient ischemic attack. SBIs are linked to a significant increase in risk for subsequent stroke and cognitive decline. However, no biomarker is currently available that can predict the recurrence of these subclinical lesions. Coated-platelets are a measure of platelet procoagulant potential significantly increased in patients with ischemic stroke or transient ischemic attack compared to unaffected controls. Higher coated-platelet levels are strongly associated with both the presence and number of SBIs. Among medications approved for preventing stroke recurrence, the investigators identified clopidogrel as a pharmacological agent leading to a decrease in coated-platelet levels. In this project, the investigators plan to evaluate if clopidogrel can decrease the rate of occurrence of new silent brain infarctions. The result will enhance the investigators understanding of the relationship between platelets and silent brain infarcts, leading to improved health care delivery and also potential targets for novel preventive pharmacological interventions.
Study identification
- NCT ID
- NCT04698031
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 4
- Enrollment
- 134 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 21 Years to 90 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Mar 29, 2022
- Primary completion
- Apr 30, 2026
- Completion
- Nov 30, 2026
- Last update posted
- Aug 9, 2026
2022 – 2026
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Oklahoma City VA Medical Center, Oklahoma City, OK | Oklahoma City | Oklahoma | 73104-5007 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04698031, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Aug 9, 2026 · Synced Sep 8, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04698031 live on ClinicalTrials.gov.