Repeated Far Infrared Sauna Bathing in Adults With Obesity

Not Applicable

Recruiting

• Conditions: Obesity (Disorder)

• Registration Number: NCT07158047
• Lead Sponsor: University of Oregon

Brief Summary

This is a clinical trial to determine if 30 sessions of far infrared sauna bathing can improve cardiovascular and metabolic function in adults with obesity.

Detailed Description

Obesity can increase the risk for cardiovascular and metabolic diseases. Lifestyle interventions are needed to reduce this risk. Far infrared saunas are one form of heat therapy that may help reduce these risks, however, there is limited research within a population with obesity. It is hypothesized that repeated far infrared sauna bathing will improve cardiovascular and metabolic function in adults with obesity.

Study Timeline

• Study Start: 2022-03-07
• Study First Submitted: 2025-08-27
• Study First Submitted QC: 2025-08-27
• Status Verified: 2025-09
• Study First Posted: 2025-09-05
• Last Update Submitted: 2025-09-17
• Last Update Posted: 2025-09-22
• Primary Completion: 2025-12-31
• Study Completion: 2026-03-31

Recruitment & Eligibility

• Status: RECRUITING
• Sex: All
• Target Recruitment: 20

Inclusion Criteria

• BMI between 30-45 kg/m2

Exclusion Criteria

• Diagnosed diabetes
• Greater than stage 2 hypertension
• Coagulopathies
• Allergies to lidocaine
• Medications affecting blood pressure
• Blood clotting, and blood sugars
• Smoker
• Pregnant
• Desiring to become pregnant in the near future
• Breastfeeding
• BMI less than 30
• BMI greater than 45 kg/m2
• Exercising > 120 min/week
• Taking medications (other than hormone contraceptives)
• Not willing to stop taking medications (other than hormone contraceptives) for 24 hours before testing days

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Primary Outcome Measures

Name	Time	Method
Blood glucose	10 weeks	Change in plasma glucose levels after Intervention
Blood pressure change	10 weeks	Change in systolic and diastolic blood pressures after 30 sessions of Intervention

Secondary Outcome Measures

Name	Time	Method
Arterial stiffness reduction	10 weeks	Change in Carotid-femoral Pulse Wave Velocity (m/s) after Intervention
Serum insulin	10 weeks	Change in serum insulin levels after Intervention

Trial Locations

Locations (1)

University of Oregon; 🇺🇸 Eugene, Oregon, United States