NCT04663399

Brief Summary

IMPRESS study aims to describe the immuno-inflammatory and thrombo-inflammatory profiles during the first 24/36 hours of treatment of patients suffering from AIC treated with TM, and to study the possible impact of these profiles on the functional prognosis at 3 and 12 months of AIC treatment.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
1,200

participants targeted

Target at P75+ for all trials

Timeline
25mo left

Started Feb 2023

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress61%
Feb 2023May 2028

First Submitted

Initial submission to the registry

November 25, 2020

Completed
16 days until next milestone

First Posted

Study publicly available on registry

December 11, 2020

Completed
2.2 years until next milestone

Study Start

First participant enrolled

February 23, 2023

Completed
5.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 23, 2028

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 23, 2028

Last Updated

January 23, 2026

Status Verified

January 1, 2026

Enrollment Period

5.2 years

First QC Date

November 25, 2020

Last Update Submit

January 21, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Immuno-inflammatory and thrombo-inflammatory profiles in patients suffering from AIC and treated with mechanical Thrombectomie.

    Blood plasma collected from patients at inclusion, and at 24 hours +/- 12 hours of the reperfusion treatment will be used to discover and validate panels of inflammatory biomarkers that are predictive of therapeutic response. The biomarkers will be measured using a multiplex preconfigured panels for inflammatory biomarkers.

    21 months

Study Arms (2)

Patient with MT

Patients indicated for mechanical thrombectomy and benefiting from the procedure

Other: Prospective patient

Patient without MT

Patients indicated for mechanical thrombectomy but not benefiting from the intervention due to clinical improvement (patients responding to thrombolysis)

Other: Prospective patient

Interventions

The immuno-inflammatory and thrombo-inflammatory profiles will be evaluated at inclusion, and at 24 hours +/- 12 hours of the reperfusion treatment.

Patient with MTPatient without MT

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Patients referred for a mechanical thrombectomy as part of an acute ischemic stroke will be able to participate in the study.

You may qualify if:

  • Patient with an acute ischemic stroke for which treatment with mechanical thrombectomy is indicated, whether or not thrombectomy is performed,
  • Affiliated or beneficiary of a social security scheme or equivalent.
  • Pregnant or breast-feeding women
  • Patient benefiting from a legal protection measure

You may not qualify if:

  • None.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hôpital Fondation Adolphe de Rothschild

Paris, Paris, 75019, France

RECRUITING

Biospecimen

Retention: SAMPLES WITH DNA

Each blood sample consists of 3x3 mL Citrate + 1x4 mL EDTA + 1x4 mL Heparin + 1x5 mL dry tube.

MeSH Terms

Conditions

Ischemic Stroke

Condition Hierarchy (Ancestors)

StrokeCerebrovascular DisordersBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesVascular DiseasesCardiovascular Diseases

Study Officials

  • Benjamin Maier, MD

    Fondation Ophtalmologique Adolphe de Rothschild

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Benjamin Maier, MD

CONTACT

Amélie Yavchitz, MD

CONTACT

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
NETWORK
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 25, 2020

First Posted

December 11, 2020

Study Start

February 23, 2023

Primary Completion (Estimated)

May 23, 2028

Study Completion (Estimated)

May 23, 2028

Last Updated

January 23, 2026

Record last verified: 2026-01

Locations