A prospective, randomized, double-blind, placebo-controlled trial of the Kampo formula daiobotanpito combined with antibiotic therapy for acute diverticulitis

A prospective, randomized, double-blind, placebo-controlled trial of the Kampo formula daiobotanpito combined with antibiotic therapy for acute diverticulitis

Abstract Daiobotanpito (DBT) is a Kampo formula traditionally used to treat abscesses in intestinal disorders. This double-blind, multicenter, randomized controlled trial was conducted at participating hospitals in Japan. Patients with CT-proven moderate acute diverticulitis received conventional th...

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Main Authors: Keiko Ogawa-Ochiai, Shigetsugu Tsuji, Atsuki Maeda, Hisatomo Ikehara, Kazumi Kawabata, Takahiro Dohmen, Eisuke Ojima, Goro Nakayama, Takashi Hisabe, Masaya Suenaga, Takashi Kagaya, Kiyoshi Ishigure, Osamu Okochi, Masashi Hattori, Hirokazu Hirai, Toyotaka Kasai, Toshiya Takeda, Takanori Yamada, Isao Yoshida, Mitsuru Sakai, Akira Takehara, Yoshinori Munemoto, Mitsuru Esaki, Yoshinari Mochizuki, Koji Nishijima, Shinji Kitamura, Seisho Sakai, Takuo Hara, Li Honyang, Hisashi Doyama, Kunihisa Uchita, Yasuhiro Kodera, Kenichi Yoshimura, Keita Mori, Hideki Ishikawa
Format: Article
Language:English
Published: Nature Portfolio 2025-07-01
Series:Scientific Reports
Subjects:
Daiobotanpito, colon diverticulitis
Colonic diverticular disease
Abscess
Da Huang Mu Dan Tang
Japanese traditional medicine (Kampo)
Online Access:https://doi.org/10.1038/s41598-025-07385-9
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Summary:Abstract Daiobotanpito (DBT) is a Kampo formula traditionally used to treat abscesses in intestinal disorders. This double-blind, multicenter, randomized controlled trial was conducted at participating hospitals in Japan. Patients with CT-proven moderate acute diverticulitis received conventional therapy along with an oral DBT (treatment group) or placebo (control group) administered thrice a day for 10 days (Registration: jRCTs041180063). The primary outcome was the treatment success rate: fever reduction to < 37.5 °C within 3 days or/and elimination of abdominal pain within 4 days. Secondary endpoints included hospitalization days, changes in the inflammatory response, number of days before food intake, recurrence rate within 1-year, and adverse event rate. 171 participants were included in this study. No significant difference was observed in the treatment success rates between the DBT and placebo groups (P = .348). However, the DBT group showed a significant reduction in CRP levels on day 5 (P = .023), and patients with abscesses started oral intake significantly earlier than those in the placebo group (P = .046). In conclusion, the results of this study do not suggest that an add-on treatment with DBT in patients with moderate acute diverticulitis provides additional benefit., However, DBT may offer clinical benefits in cases involving abscesses or severe inflammation. Further prospective studies focusing on complicated diverticulitis are necessary.
ISSN:2045-2322

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