New study aims to uncover the mystery of exercise fatigue in thalassemia patients
NCT ID NCT07207577
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at why people with transfusion-dependent beta thalassemia have trouble exercising. Researchers will compare 36 patients to healthy volunteers using bike tests, blood samples, and questionnaires. The goal is to find the physical and mental factors that limit their exercise ability.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 36 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2025
- Expected to finish
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Oct 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patients aged 18 years or older * Patients with transfusion-dependent β-thalassaemia (B0 or B+) * Patients who have undergone blood transfusions at intervals of between 1 and 8 weeks for at least 5 years. * Have given their free and informed written consent after being informed of the purpose of the study, its conduct and its risks. * Be affiliated with a social security scheme. * Not participating in any other interventional studies during the duration of this study Control subjects must meet all of the following criteria to participate in the study: * Subject aged 18 years or older * Matched in age and gender to a βTTD patient included in the study. * Declaring to be free of known acute or chronic pathologies. * Have given their free written consent after being informed of the purpose of the study, its conduct and its risks. * Be affiliated with a social security scheme. * Not participate in any other interventional study during the duration of this study. * Have 'low' or 'moderate' IPAQ results (inactive or slightly active). Exclusion Criteria: * \- Having received a bone marrow transplant. * History of thromboembolic disease. * Hospitalised for cardiac decompensation in the last 12 months. * Lack of use of limbs (amputee, paraplegic, quadriplegic) * Unable to comply with protocol requirements for social, family or other reasons, as determined by the investigator. * Known concomitant medical condition that could affect compliance with the protocol * benefiting of enhanced protection, namely minors, persons deprived of their liberty by judicial or administrative decision, adults under legal protection and, finally, patients in emergency situations. * Unable to give consent. * Pregnant or breastfeeding women.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
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Contacts and locations
Locations
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CH Métropole Savoie
RECRUITINGChambéry, 73000, France
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