Adult Autoimmune Myopathies (MAIA) (MAIA)

June 24, 2026 updated by: University Hospital, Brest

Adult Autoimmune Myopathies (MAIA): Clinical and Immunological Characterization, Constitution of a Patient Library

This study corresponds to a monocentric prospective cohort of adult patients presenting a suspicion of idiopathic inflammatory myopathy. It will allows the constitution of an organized collection of longitudinal clinical data as well as collection of biological samples, including blood sample, urine, stool and muscle specimen.

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Estimated)

60

Phase

  • Not Applicable

Contacts and Locations

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

Study Contact

Study Locations

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

Description

Inclusion Criteria:

  • Clinical suspicion of Adult Inflammatory Myopathy
  • Social security affiliation

Exclusion Criteria:

  • Pregnant and lactating women
  • Patients unable to consent
  • Patients refusing to participate in the research.
  • Patients under legal protection

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

  • Primary Purpose: Diagnostic
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Other: Adult Autoimmune Myopathies
It is a description Autoimmune Myopathie cohort
Other: description of adult autoimmune myopathies
description of adult autoimmune myopathies

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Distribution of lymphocytes subpopulations (B, T and TH-17)
Time Frame: 6 months
Distribution of lymphocytes subpopulations (B, T and TH-17) according to the final diagnosis defined by a panel of experts
6 months

Collaborators and Investigators

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

Sponsor

University Hospital, Brest

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)

May 20, 2022

Primary Completion (Estimated)

May 20, 2030

Study Completion (Estimated)

May 20, 2030

Study Registration Dates

First Submitted

March 8, 2021

First Submitted That Met QC Criteria

March 10, 2021

First Posted (Actual)

March 11, 2021

Study Record Updates

Last Update Posted (Actual)

June 25, 2026

Last Update Submitted That Met QC Criteria

June 24, 2026

Last Verified

June 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 29BRC20.0276

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

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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