Impact of Neutrophil Extracellular Traps on Tissue Plasminogen Activator Induced Thrombolysis in Acute Ischemic Stroke Patients (THROMBONETS)

March 16, 2018 updated by: Fondation Ophtalmologique Adolphe de Rothschild

Acute Ischemic stroke (AIS) remains a leading cause of adult disability, cognitive impairment and mortality worldwide despite the development of revascularization therapies (intravenous Tissue Plasminogen Activator (t-PA) and endovascular therapy). Thrombosis resistance after IV t-PA therapy is frequent especially in case of AIS with proximal occlusion. In recent years, neutrophil extracellular traps (NETs) have been identified as major triggers and structural factors of various forms of thrombosis. NETs are extracellular webs primarily composed of DNA from neutrophils. A recent study shows that the NETs burden in coronary thrombi is positively correlated with the infarct size and negatively correlated with electrocardiogram (ST-segment) resolution. This later study revealed that in vitro addition of DNase I accelerated the t-PA-induced thrombolysis of coronary thrombi. NETs could, in consequence, be promising targets for improved thrombolysis in AIS.

The aim of this study is to assess the impact of NETs composition of thrombi retrieved during endovascular therapy in AIS patients on IV t-PA induced thrombolysis, clinical outcome and AIS etiologies.

Study Overview

Status

Withdrawn

Conditions

Study Type

Observational

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • France
      • Paris, France, 75019
        • Fondation Ophtalmologique Adolphe de Rothschild

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Patients with acute stroke, admitted for endovascular therapy.

Description

Inclusion Criteria:

  • age > 18 years old
  • AIS secondary to a large vessel occlusion
  • admitted for endovascular therapy.

Exclusion Criteria:

  • Pregnant or breast feeding patient patient under legal protection
  • Patient opposition to participate in this study

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
thrombus origin
Time Frame: baseline
according to the etiology of the stroke (TOAST classification)
baseline
red cells counts
Time Frame: baseline
quantitative assessment of the relative fractions of the main constituents after Hematoxylin and Eosin staining :
baseline
white cells counts
Time Frame: baseline
quantitative assessment of the relative fractions of the main constituents after Hematoxylin and Eosin staining
baseline
platlet counts
Time Frame: baseline
quantitative assessment of the relative fractions of the main constituents after Hematoxylin and Eosin staining
baseline

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Fondation Ophtalmologique Adolphe de Rothschild

Investigators

  • Principal Investigator: Jean-Philippe Désilles, MD, Fondation OPH A. de Rothschild
  • Study Chair: Mikael Mazighi, MD, PhD, Fondation OPH A. de Rothschild

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

November 12, 2015

Primary Completion (Actual)

July 1, 2017

Study Completion (Actual)

July 1, 2017

Study Registration Dates

First Submitted

September 6, 2016

First Submitted That Met QC Criteria

September 15, 2016

First Posted (Estimate)

September 20, 2016

Study Record Updates

Last Update Posted (Actual)

March 19, 2018

Last Update Submitted That Met QC Criteria

March 16, 2018

Last Verified

March 1, 2018

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • JDS_2015_45

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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