Testing muscle metabolism through exercise

Exercise Testing in Metabolic Myopathies

University Hospital, Brest · NCT02362685

This study is testing how exercise affects muscle metabolism in people who might have metabolic muscle disorders to help improve diagnosis and treatment.

Quick facts

Study typeObservational
Enrollment1000 (estimated)
Ages5 Years and up
SexAll
SponsorUniversity Hospital, Brest (other)
Locations1 site (Brest)
Trial IDNCT02362685 on ClinicalTrials.gov

What this trial studies

This observational study aims to evaluate the relationship between exercise testing and the results from muscle biopsy or genetic analysis in patients suspected of having metabolic myopathies. By conducting functional tests, the study seeks to measure the concentration of muscle metabolites in the blood during and after exercise. The findings will help to better understand the exertional symptoms associated with these conditions and may aid in diagnosis and treatment planning.

Who should consider this trial

Good fit: Ideal candidates are individuals referred for a metabolic exercise test at the Physiology Department of Brest Hospital who can provide informed consent.

Not a fit: Patients with contraindications to cardiopulmonary exercise testing or those who are pregnant may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could improve diagnostic accuracy and treatment strategies for patients with metabolic myopathies.

How similar studies have performed: While this approach is based on established concepts, the specific combination of exercise testing with genetic and biopsy data in this context may be novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Referred to the Physiology Department of Brest Hospital for a metabolic exercise test
* Ability to provide informed consent

Exclusion Criteria:

* Contraindication(s) to perform cardiopulmonary exercise testing (ATS/ACCP statement on cardiopulmonary exercise testing, Am J respi Care Med 167: 211-77, 2003)
* Pregnancy or unknown pregnancy status.

Where this trial is running

Brest

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.

View on ClinicalTrials.gov →

Conditions: Metabolic Myopathies, Exercise Test, Myalgia, Metabolic myopathies, Exercise testing, Blood sample, Muscle biopsy, Genetic analysis

Last reviewed 2026-05-15 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.