Proteomic Analysis of Crohn's Disease Macrophages in Response or Not to AIEC

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

88 participants

Study Classification

OBSERVATIONAL

Study Start Date

2018-01-18

Study Completion Date

2019-01-18

Brief Summary

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The M2iSH laboratory showed with two previous clinical trials that Crohn's Disease (CD) macrophages present i) a defect to control Adherent-Invasive Escherichia coli (AIEC) infection related to polymorphisms associated with CD; ii) a CD - specific cytokine secretion profile after an AIEC infection and intestinal inflammation dependent; iii) a modification of the response of CD macrophages at a basal state and after the AIEC infection. These results consolidate the hypothesis of a defect specific to CD macrophages.

That's why, the primary purpose of this study is to realize a proteomic analysis of macrophages of CD patients infected or not with AIEC and to compare them to Ulcerative Colitis (UC) patients and healthy volunteers.

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Detailed Description

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The macrophages characterization will be realized at a basal state and in response or not to AIEC.

Investigator aimed to 1) better understand the differences between macrophages of CD patients, UC patients and healthy volunteers but also the impact of AIEC infection on these macrophages to provide key informations to detect and characterize the defect of these macrophages; 2) highlight one or several protein in CD macrophages that could represent, in a long term, a potential therapeutic target of CD.

Conditions

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Crohn's Disease Ulcerative Colitis

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

* \- Crohn's Disease or ulcerative colitis or healthy volunteers
* Age \> 18 years
* Patients benefiting from the health insurance plan
* Patients who can read and attest to understanding the information note and informed consent