sauna bathing study

Examination of the effects of sauna bathing time on thermoregulatory function, autonomic function, and dehydration. - Examination of the effects of sauna bathing time on thermoregulatory function, autonomic function, and dehydration.

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000058471

Enrollment

Registered

2025-08-01

Start date

2025-08-01

Completion date

Unknown

Last updated

2026-09-14

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

Conditions

kidney disease

Interventions

sauna bathing (10 minutes) sauna bathing (20 minutes) sauna bathing (30 minutes) Control (no sauna)

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: 1. persons with relatively preserved renal function 2. adult male over 18 years old who have been fully informed of the purpose and content of this study and who have given their consent in writing of their own free will based on a thorough understanding of the purpose and content of the research

Exclusion criteria

Exclusion criteria: 1. persons who suffer from specific underlying diseases or a history of associated symptoms 2. persons taking medications that affect systemic hemodynamics 3. other persons deemed unsuitable by the principal investigator

Design outcomes

Primary

Measure	Time frame
The comparison of the changes in urinary osmolality concentrations from before sauna bathing to immediately after sauna bathing and after 60 minutes.	—

Countries

Japan

Contacts

Public ContactShotaro Kawakami

Toyama Prefectural University Faculty of Engineering

skawakami@pu-toyama.ac.jp0766-56-7500

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Sep 19, 2026