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Multicenter, 3-arm, randomized, controlled study on the rapid antidepressant efficacy and safety of hyperthermic baths in depression

Multicenter, 3-arm, randomized, controlled study on the rapid antidepressant efficacy and safety of hyperthermic baths in depression - HTB Depression

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00033017
Enrollment
348
Registered
2024-07-30
Start date
2025-05-12
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

F32 F33

Interventions

Group 1: Hyperthermic baths (HTB) with 2 applications per week + treatment as usual (TAU) Group 2: Thermoneutral baths (TNB) with 2 applications per week + treatment as usual (TAU) Group 3: Treatment
drug therapy and/or psychotherapy)

Sponsors

Uniklinik Freiburg, Uni-Zenrum Naturheilkunde
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: • Signed Informed Consent Form (ICF) • Outpatients (both male and female) between the age of 18-70 who are receiving treatment as usual or who are off antidepressant therapy for at least 4 weeks prior to baseline • confirmed diagnosis of depression (ICD-10 F32/F33 criteria for single or recurrent nonpsychotic depression >2 weeks) • MADRS score indicating at least a moderate depression (MADRS = 20)

Exclusion criteria

Exclusion criteria: - Acute risk of suicide - Change of antidepressant therapy within <4 weeks prior to baseline or intention to change antidepressant therapy within the next two weeks - Other mental disorder (i.e. borderline personality disorder, bipolar affective disorder, drug and/or alcohol abuse, schizophrenia, anxiety disorder, psychotic depression) - Contraindication for hot baths (i.e. open wounds, heat urticaria, varicosis, multiple sclerosis, epilepsy, orthostatic dysregulation, pregnancy) - Severe organic disease (i.e. heart failure) - Ongoing pension claim

Design outcomes

Primary

MeasureTime frame
Depression severity - observer rating: MADRS score after 2 weeks (observer rating)

Secondary

MeasureTime frame
After 4 and 8 weeks and at 4-month follow-up (observer and self-rating): - Depression: MADRS score - Depression: PHQ-9 questionnaire - Sleep quality: PSQI questionnaire - Health-related quality of life: EuroQoL EQ-5D-5L questionnaire - Client satisfaction: CSQ-8 questionnaire

Countries

Germany

Contacts

Public ContactRoman Huber

Uniklinik Freiburg, Uni-Zenrum Naturheilkunde

roman.huber@uniklinik-freiburg.de+49 761 82010

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Aug 9, 2026