Will simple home Waon (thermal) therapy improve circulatory status and oxidative stress long term after Fontan operation? -First Waon (thermal) therapy trial in patients after Fontan operation

Will simple home Waon (thermal) therapy improve circulatory status and oxidative stress long term after Fontan operation? -First Waon (thermal) therapy trial in patients after Fontan operation - Simple home Waon (thermal) therapy for the patients long term after Fontan operation

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000021024

Enrollment

Registered

2016-02-15

Start date

2016-02-15

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

Patients long term after Fontan operation

Interventions

Waon therapy using far infrared dome sauna five times a week over one year

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: More than 1 year after Fontan operation Age > 6 years Patients who wish to participate the Waon therapy

Exclusion criteria

Exclusion criteria: severe heart failre no consent to participate the study patients who are not suitable for Waon theraphy, judged by attending physician

Design outcomes

Primary

Measure	Time frame
Noninvasively obtained hemodynamic and cardiovascular function, heart rate variability, exercise tolerance, daily work, oxidative stress, neurohormone at 6 months after Waon therapy	—

Countries

Japan

Contacts

Public ContactSatoshi Masutani

Saitama Medical Center Saitama Medical University Pediatric Cardiology

smstn@ka2.so-net.ne.jp049-228-3400

Outcome results

None listed

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