ClinicalTrials.gg
RecruitingNCT02362685RANNOUUpdated Jan 22, 2020

Metabolic Exercise Testing

An observational study in Metabolic Myopathies, Exercise Test and Myalgia, sponsored by University Hospital, Brest. Recruiting at 1 site in France. Open to participants aged 5 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2020-01-22.

Sponsored by University Hospital, Brest · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
1,000
Ages
5 Years and older
Sex
All
01

Study summary

Exertional symptoms are the hallmarks of metabolic myopathies, supporting the concept of using functional tests when this diagnosis is suspected. Exercise increases the concentration of muscle metabolites in the venous blood supply (e.g. lactate, pyruvate, and ammonia) especially during recovery. The purpose of this study is to compare the results of exercise testing with to the data from muscle biopsy or genetic analysis.

02

Conditions studied

  • Metabolic Myopathies
  • Exercise Test
  • Myalgia

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Keywords

  • Metabolic myopathies
  • Exercise testing
  • Blood sample
  • Muscle biopsy
  • Genetic analysis
  • Cycloergometer
  • Grip-test
  • Exercise physiology
  • Muscle physiology
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In context

Myalgia

256 studies on the registry are indexed under Myalgia; 46 are open to participants now.

This study's planned enrollment of 1,000 is above the median of 196 across 35 observational studies indexed under Myalgia.

Browse Myalgia studies →

Lead sponsor

University Hospital, Brest is the lead sponsor of 601 studies on the registry; 136 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
5 Years and older
Sexes eligible
All
Accepts healthy volunteers
Yes
Sampling method
Non-probability sample

Study population

Subjects referred to perform a metabolic exercise testing.

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Referred to the Physiology Department of Brest Hospital for a metabolic exercise test
  • Ability to provide

Exclusion criteria

Exclusion Criteria:

  • (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.
Terms in these criteria, in plain language(2)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

Contraindication

A reason a treatment, test or procedure should not be given to a particular person, such as an allergy, another illness or a medicine they take.

05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
1,000 participants (estimated)
Patient registry
No
Biospecimen retention
Samples with dna

Groups and cohorts

  • metabolic exercise testing

    All the subjects referred to performed a metabolic exercise testing.

    Device: functional test · Genetic: matching genotype with phenotype

Interventions

  • Devicefunctional test

    subjects perform a metabolic exercise testing

  • Geneticmatching genotype with phenotype
06

What researchers measure

Primary outcomes

  1. Whole-body dynamic exercise

    The relation between Cardiopulmonary exercise test variables and the results of muscle biopsy or genetic analysis will be evaluated.

    Time frame: Participants will be followed for an expected average of 1 year to determine whether a muscle biopsy is performed

  2. Grip-test

    The relation between Grip-test variables and the results of muscle biopsy or genetic analysis will be evaluated.

    Time frame: Participants will be followed for an expected average of 1 year to determine whether a muscle biopsy is performed

  3. Blood tests

    The results of blood analysis from samples performed before, during, and after exercise will be compared to the results of muscle biopsy or genetic analysis.

    Time frame: Participants will be followed for an expected average of 1 year to determine whether a muscle biopsy is performed

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Study locations

1 of 1 sites recruiting
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Timeline

Tracking since Sep 25, 2026
Not marked actual or estimatedDates not marked actual or estimated

The record gives a start of Sep 2008, a primary completion of Dec 2027 and a completion of Dec 2027. It does not say whether these dates are actual or estimated.

How these figures are worked out, and which studies are left out of them.

Registered
Feb 4, 2015
First posted
Feb 13, 2015
Start
Sep 2008
Primary completionEst.
Dec 2027
CompletionEst.
Dec 2027
Last update
Jan 22, 2020
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Jan 22, 2020, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT02362685
Responsible party
RANNOU (MD, PhD, University Hospital, Brest) — Principal investigator
First posted
Feb 13, 2015
Start date
Sep 2008
Primary completion
Dec 2027 (estimated)
Completion
Dec 2027 (estimated)
Last update
Jan 22, 2020

Study contacts

Fabrice Rannou, MD, PhD
Contact
fabrice.rannou@chu-brest.fr
33(0)298347366
Fabrice Rannou, MD, PhD
Contact
fabrice.rannou@univ-brest.fr
33(0)298347366
Fabrice Rannou, MD, PhD
principal investigator · CHRU Brest

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

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