Sauna therapy tested for long COVID fatigue

NCT ID NCT05931497

Recruiting now Symptom relief Sponsor: Massachusetts General Hospital Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This pilot study from Massachusetts General Hospital is testing whether whole body hyperthermia (like a sauna) can reduce Long COVID symptoms, especially fatigue. Researchers will enroll 21 adults aged 18-65 who have had COVID-19 at least 12 weeks prior. Participants will lie in a sauna-like device to raise their core body temperature, and the study will measure changes in fatigue and other health domains using patient-reported surveys.

What this could mean

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

Active substance: whole body hyperthermia (sauna)
What this could lead to: If it works, this could point toward a simple, drug-free way to reduce fatigue and other Long COVID symptoms.
What could go wrong: This is a very small pilot study with only 21 people, so results may not apply widely. The treatment requires lying in a sauna for 2 hours, which may be difficult for some.

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.

long COVID-19

As listed by the trial registrant

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

LONG COVID

Contacts and locations

Locations

Depression Clinical and Research Program
RECRUITING

Boston, Massachusetts, 02114, United States

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