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Clinical Investigation of Keisi-bukuryogan for the treatment of symptoms in Yusho patients.

Clinical Investigation of Keisi-bukuryogan for the treatment of symptoms in Yusho patients. - Clinical Investigation of Keisi-bukuryogan in Yusho patients.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000017463
Enrollment
50
Registered
2015-05-18
Start date
2015-05-25
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

Certified Yusho victim

Interventions

2.5 g of Keisi-bukuryogan (Tsumura) is administered t.i.d every before or between meals until 3 months after the enrollment.

Sponsors

Department of Dermatology, Graduate School of Medical Sciences, Kyushu University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients diagnosed as Yusho according to Yusho diagnostic criteria, the Study Group for "Yusho". 2) Patients providing written informed consent. 3) Patients who are able to take Kampo medicine. 4) Patients with more than 20 years.

Exclusion criteria

Exclusion criteria: 1) Women who have pregnancy, are nursing, or are likely to become pregnant. 2) Patients who are taking other Kampo medicines. Patients who have 4 weeks washout period for attending the study are eligible. 3) Any other patients who are regarded as unsuitable for this study by the investigators because of such as serious complication.

Design outcomes

Primary

MeasureTime frame
VAS score (peripheral nerve: pain, numbness, skin; acne, blotch, respiratory; cough, sputum, malaise)

Secondary

MeasureTime frame
1. QOL (Quality Of Life) quantitatively evaluated by SF-36. 2. Oxidative stress marker value s and anti-oxidative stress marker values. 1. Safety during treatment period.

Countries

Japan

Contacts

Public ContactChikage Mitoma

Kyushu University Hospital Research and Clinical Center for Yusho and Dioxin

mchikage@dermatol.med.kyushu-u.ac.jp092-642-5211

Outcome results

None listed

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