Can a simple exercise test tell ME/CFS apart from heart disease?

NCT ID NCT07491315

Recruiting now Knowledge-focused Sponsor: Hôpital Européen Marseille Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how people with ME/CFS (chronic fatigue syndrome) and people with heart conditions feel after a bike exercise test. Researchers want to see if the type and timing of symptoms after exercise are different between the two groups. 80 adults will take part, and their symptoms will be tracked for a week after the test.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If successful, this study could help doctors better distinguish ME/CFS from heart conditions based on how symptoms appear after exercise.
What could go wrong: This is a small observational study (80 people) that only compares symptoms, not tests a treatment. Results may not apply to all patients.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

cardiovascular disorder heart disorder myalgic encephalomeyelitis/chronic fatigue syndrome

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CARDIOVASCULAR DISEASES FATIGUE SYNDROME, CHRONIC

Contacts and locations

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Study contacts

Contact

Phone: •••-•••-•••• Email: •••••@•••••

Locations

Hôpital Européen Marseille
RECRUITING

Marseille, France

Contact

Contact Phone: •••-•••-•••• Email: •••••@•••••

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