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01.03.2012 | Original Article—Alimentary Tract

Rikkunshito improves symptoms in PPI-refractory GERD patients: a prospective, randomized, multicenter trial in Japan

verfasst von: Kazunari Tominaga, Ryuichi Iwakiri, Kazuma Fujimoto, Yasuhiro Fujiwara, Mio Tanaka, Yasuyuki Shimoyama, Eiji Umegaki, Kazuhide Higuchi, Motoyasu Kusano, Tetsuo Arakawa, and the GERD 4 Study Group

Erschienen in: Journal of Gastroenterology | Ausgabe 3/2012

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Abstract

Background

To seek a promising therapeutic regimen for proton pump inhibitor (PPI)-refractory patients with gastroesophageal reflux disease (GERD) after the standard PPI treatment, we compared the efficacies of rikkunshito (a Japanese traditional medication) combined with rabeprazole (RPZ) and a double dose of RPZ in a prospective randomized multicenter trial in Japanese PPI-refractory GERD patients.

Methods

One hundred and four patients with GERD symptoms remaining after 4-week treatment with RPZ (10 mg/day) were randomly assigned to 4 weeks of either combination therapy [rikkunshito (7.5 g/day) with a standard dose of RPZ (10 mg/day)] or a double dose of RPZ (20 mg/day). The primary endpoint was the improvement rate, calculated based on the frequency scale for the symptoms of GERD (FSSG) before and after treatment. Subgroup analysis was also performed with respect to each subject’s background factors such as reflux esophagitis (RE)/non-erosive GERD (NERD), age, gender, and body mass index (BMI).

Results

Four-week treatment with rikkunshito combined with RPZ significantly decreased the FSSG score from 17.6 ± 6.5 to 12.0 ± 6.9, similar to the decrease seen on treatment with a double dose of RPZ. Regarding the therapeutic improvement rate, there were also significant effects in both groups. However, in the subgroup analysis based on RE/NERD, the improvement rate of male NERD patients in the rikkunshito group was significantly greater than that of such patients in the other group (P < 0.05). In the rikkunshito group, the treatment was more effective in NERD patients with a low BMI than in those with a high BMI (P < 0.05).

Conclusion

Rikkunshito combined with standard-dose RPZ therapy may be a useful new strategy for PPI-refractory GERD patients.

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Titel: Rikkunshito improves symptoms in PPI-refractory GERD patients: a prospective, randomized, multicenter trial in Japan
verfasst von: Kazunari Tominaga
Ryuichi Iwakiri
Kazuma Fujimoto
Yasuhiro Fujiwara
Mio Tanaka
Yasuyuki Shimoyama
Eiji Umegaki
Kazuhide Higuchi
Motoyasu Kusano
Tetsuo Arakawa
and the GERD 4 Study Group
Publikationsdatum: 01.03.2012
Verlag: Springer Japan
Erschienen in: Journal of Gastroenterology / Ausgabe 3/2012
Print ISSN: 0944-1174
Elektronische ISSN: 1435-5922
DOI: https://doi.org/10.1007/s00535-011-0488-5

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Rikkunshito improves symptoms in PPI-refractory GERD patients: a prospective, randomized, multicenter trial in Japan

Abstract

Background

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Results

Conclusion

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