Can Sauna-Like heat help chronic pain? new study investigates
NCT ID NCT07101978
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how whole-body heat therapy (hyperthermia) changes body temperature, pain sensitivity, and pain during movement in 60 people—half with chronic widespread pain (like fibromyalgia) and half healthy. Participants will receive six heat sessions over three weeks. The goal is to understand how heat affects the body's pain and temperature systems, not to cure or treat the condition.
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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 60 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Aug 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 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 to 70 years
- 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: * Confirmed diagnosis of widespread pain (ICD-11 MG30.01) * Widespread Pain Index (WPI) ≥ 7 and Symptom Severity (SS) scale ≥ 5 or WPI) ≥ 3 and SS ≥ 9, * Pain \>= 3 month and VAS \>= 4,0 * Body - infrared-A-Bulb Distance \< 38cm (overweight participants) * Signed declaration of consent healthy: * No chronic illnesses * No acute infections * No regular medication: To avoid interactions * BMI ≤ 40kg/cm2 * Mental health: No psychiatric diagnoses or psychotropic medication in your medical history Exclusion Criteria: * Participation in other clinical studies * Contraindications for hyperthermia (severe cardiovascular diseases, tumour diseases, acute infections, pregnant and breastfeeding women) * Acute and / or feverish microbial infections * Participants with severe somatic, rheumatic concomitant endocrine or neurological diseases, in particular neurological diseases associated with cognitive disorders, severe liver or kidney and cardiac diseases * participants who are permanently treated with opioids, cannabis, immunosuppressive drugs (e.g. corticoids, immunosuppressants) or alpha/beta-A(nta)gonists due to a disease from the group described above * participants with pain due to a serious psychiatric illness (bipolar disorder, psychosis, personality disorder, severe depression, substance abuse) and serious systemic or neurological disorders * pregnancy or breastfeeding (for women) * Intake of medication within 6 weeks that inhibits the reuptake of the neurotransmitter serotonin or binds to receptors of this neurotransmitter group
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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
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Bern University of Applied Science
Bern, Canton of Bern, 3012, Switzerland
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Other studies related to the condition(s) this trial covers.
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