Verification of the effectiveness of radon bath therapy for rheumatoid arthritis

Verification of the effectiveness of radon bath therapy for rheumatoid arthritis - Radon Bath RCT for RA

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000060186

Enrollment

100

Registered

2026-01-30

Start date

2026-01-31

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Rheumatoid Arthritis

Interventions

Bathing using radon-emitting ceramics, performed for 20 minutes per session, at least 5 days per week for 2 weeks. Bathing using non-radon-emitting ceramics, performed for 20 minutes per session, at l

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with rheumatoid arthritis (RA) who meet the 2010 ACR/EULAR classification criteria or the 1987 ACR classification criteria for RA, with low to moderate disease activity (CDAI 2.8-22.0), and who have been relatively stable with no changes in antirheumatic therapy for at least 3 months.

Exclusion criteria

Exclusion criteria: Patients scheduled for changes in antirheumatic therapy (addition or dose escalation)

Design outcomes

Primary

Measure	Time frame
Change rate of the CDAI score at 1 month	—

Secondary

Measure	Time frame
Changes in Pain VAS and Patient Global Assessment at 0.5, 1, 3, 6, and 12 months following treatment initiation	—

Countries

Japan

Contacts

Public ContactKoichiro Ohmura

Kobe City Medical Center General Hospital Department of Rheumatology

ohmurako1964@gmail.com078-302-4321

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026