Assessing immune responses after acute ischemic stroke treatment

IMMunological resPonse Assessment afteR Acute iSchemic Stroke Treated With Endovascular Therapy

Observational Fondation Ophtalmologique Adolphe de Rothschild · NCT04663399

This study is testing how the immune system reacts in patients treated for an acute ischemic stroke to see if these responses can help predict their recovery after three months.

Quick facts

Study typeObservational
Enrollment1200 (estimated)
Ages18 Years and up
SexAll
SponsorFondation Ophtalmologique Adolphe de Rothschild Research network
Drugs / interventionsNatalizumab
Locations1 site (Paris, Paris)
Trial IDNCT04663399 on ClinicalTrials.gov

What this trial studies

The IMPRESS study aims to evaluate the immuno-inflammatory and thrombo-inflammatory profiles of patients undergoing treatment for acute ischemic stroke with mechanical thrombectomy. It focuses on the first 24 to 36 hours post-treatment to understand how these immune responses may influence functional outcomes at three months. By identifying reliable biomarkers, the study seeks to enhance the understanding of stroke recovery and potentially guide future therapeutic interventions. This observational study will include patients who meet specific criteria related to their stroke treatment.

Who should consider this trial

Good fit: Ideal candidates are patients experiencing an acute ischemic stroke who are eligible for mechanical thrombectomy.

Not a fit: Patients who are pregnant, breastfeeding, or under legal protection measures may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved prognostic assessments and targeted therapies for patients recovering from acute ischemic stroke.

How similar studies have performed: While many preclinical studies have shown promise in understanding immune responses in stroke, this specific approach in humans is novel and has not been extensively tested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patient with an acute ischemic stroke for which treatment with mechanical thrombectomy is indicated, whether or not thrombectomy is performed,
* Having received informed information about the study and having signed a consent to participate in the study (if this is not possible: information and consent of the trusted support person or family member if present; emergency inclusion if absent);
* Affiliated or beneficiary of a social security scheme or equivalent.

Non inclusion Criteria:

* Pregnant or breast-feeding women
* Patient benefiting from a legal protection measure

Exclusion Criteria:

None.

Where this trial is running

Paris, Paris

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 StrokeThrombectomy
Last reviewed 2026-06-13 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.