Efficacy of hangekobokuto, a representative Kampo (Japanese herbal medicine) formula for Ki congestion, in overactive bladder: A Randomized, Double-blind, Placebo-Controlled Trial.

Efficacy of hangekobokuto, a representative Kampo (Japanese herbal medicine) formula for Ki congestion, in overactive bladder: A Randomized, Double-blind, Placebo-Controlled Trial. - Efficacy of hangekobokuto, a representative Kampo (Japanese herbal medicine) formula for Ki congestion, in overactive bladder.

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000000751

Enrollment

Registered

2007-07-01

Start date

2007-07-01

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

Overactive bladder

Interventions

Spray-dried tablet of hangekobokuto, 12 tablets per day Placebo tablet, 12 tablets per day

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: OAB patients: patients whose score in the 3rd question is equal to or more than two points and that in total is equal to or more than three points in OABSS.

Exclusion criteria

Exclusion criteria: 1.Patients currently taking any Kampo medicine 2.Patients having taken any Kampo medicine in the past 4 weeks 3.Patients with clinically significant liver or renal dysfunction 4.Patients with some diseases which might influence their general condition, for example, cancer or heart failure 5.Patients considered inappropriate for this trial by the physicians-in-charge

Design outcomes

Primary

Measure	Time frame
OABSS(Overactive Bladder Symptom Score), KHQ(King's Health Questionnaire), SF-36 (MOS Short-Form 36-Item Health Survey), IPSS(International Prostate Symptom Score)(mele only)	—

Secondary

Measure	Time frame
urine flow, residual urine volume, PSA(prostate specific antigen), pupillary light reflex, Kampo findings, adverse events	—

Countries

Japan

Contacts

Public ContactHiroshi Odaguchi

Oriental Medicine Research Center, Kitasato University Clinical Trial Division

odaguchi@insti.kitasato-u.ac.jp03-3444-6161

Outcome results

None listed

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