Examining platelet structure in ischemic stroke patients before and after antiplatelet treatment

Transmission Electron Microscopy Images for Platelet Ultrastructural Criteria Before and After the Onset of an Antiplatelet Agent

Not applicable Interventional Centre Hospitalier Universitaire de Saint Etienne · NCT05004233

This study is testing how antiplatelet treatment affects the structure of blood platelets in patients who have had an ischemic stroke to see if it can help prevent future strokes.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment50 (estimated)
Ages18 Years and up
SexAll
SponsorCentre Hospitalier Universitaire de Saint Etienne Academic / other
Locations1 site (Saint-Etienne)
Trial IDNCT05004233 on ClinicalTrials.gov

What this trial studies

This pilot study aims to analyze the ultrastructural characteristics of platelets using transmission electron microscopy in patients hospitalized for ischemic stroke before and after starting antiplatelet therapy. The study will collect blood samples to assess platelet activation and its correlation with treatment efficacy. By identifying specific ultrastructural criteria, the research seeks to enhance clinical decision-making regarding antiplatelet strategies and potentially reduce the risk of recurrent ischemic strokes. The study focuses on patients with non-cardioembolic ischemic strokes requiring antiplatelet treatment as per standard guidelines.

Who should consider this trial

Good fit: Ideal candidates are patients hospitalized for non-cardioembolic ischemic stroke who require antiplatelet therapy.

Not a fit: Patients with contraindications to antiplatelet agents will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved strategies for preventing recurrent ischemic strokes through better monitoring of antiplatelet therapy.

How similar studies have performed: While the use of transmission electron microscopy for platelet analysis is a novel approach, similar studies have shown promise in understanding platelet dysfunction in various conditions.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Social security affiliation
* Signed informed consent
* patients hospitalized for an non cardioembolic ischemic stroke requiring the onset of an antiplatelet therapy according to the usual guidelines recommendations

Exclusion Criteria:

Contraindications regarding antiplatelet agent(s) and/or at least one excipient according to Summary of Product Characteristics (SPC).

Where this trial is running

Saint-Etienne

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Ischemic StrokeIschemic strokeUltrastructural characterizationTransmission electron microscopyplatelet dysfunctionBlood Coagulation Disorder
Last reviewed 2026-06-10 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.