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- Title
Chinese herbal medicine for functional dyspepsia: a network meta-analysis of prokinetic-controlled randomised trials.
- Authors
Ho, Leonard; Zhong, Claire C. W.; Wong, Charlene H. L.; Wu, Justin C. Y.; Chan, Karina K. H.; Wu, Irene X. Y.; Leung, Ting Hung; Chung, Vincent C. H.
- Abstract
Background: Prokinetic is the first-line conventional treatment for functional dyspepsia (FD) in Asia despite potential adverse events. Chinese herbal medicine (CHM) may be an effective and safe substitution. This network meta-analysis (NMA) aimed to evaluate the comparative effectiveness of different CHM formulae for FD against prokinetics. Methods: Seven international and Chinese databases were searched from their inception to July 2020 for randomised controlled trials (RCTs) on CHM versus prokinetics. Data from each RCT were first pooled using random-effect pairwise meta-analyses and illustrated as risk difference (RD) or standardised mean difference (SMD) with 95% confidence interval (CI). Random-effect NMAs were then performed to evaluate the comparative effectiveness of CHM formulae and displayed as RD with 95% CI or SMD with 95% credible interval (CrI). The GRADE partially contextualised framework was applied for NMA result interpretation. Results: Twenty-six unique CHM formulae were identified from twenty-eight RCTs of mediocre quality. Pairwise meta-analyses indicated that CHM was superior to prokinetics in alleviating global symptoms at 4-week follow-up (pooled RD: 0.14; 95% CI: 0.10–0.19), even after trim and fill adjustment for publication bias. NMAs demonstrated that Modified Zhi Zhu Decoction may have a moderate beneficial effect on alleviating global symptoms at 4-week follow-up (RD: 0.28; 95% CI: − 0.03 to 0.75). Xiao Pi Kuan Wei Decoction may have a large beneficial effect on alleviating postprandial fullness (SMD: − 2.14; 95% CI: − 2.76 to 0.70), early satiety (SMD: − 3.90; 95% CI: − 0.68 to − 0.42), and epigastric pain (SMD: − 1.23; 95% CI: − 1.66 to − 0.29). No serious adverse events were reported. Conclusion: Modified Zhi Zhu Decoction and Xiao Pi Kuan Wei Decoction may be considered as an alternative for patients unresponsive to prokinetics. Confirmatory head-to-head trials should be conducted to investigate their comparative effectiveness against prokinetics.
- Subjects
DRUG efficacy; HERBAL medicine; GENERIC drug substitution; META-analysis; CONFIDENCE intervals; MEDICAL information storage &; retrieval systems; SYSTEMATIC reviews; INGESTION; DESCRIPTIVE statistics; GASTROINTESTINAL agents; MEDLINE; CHINESE medicine; INDIGESTION; THERAPEUTICS; EVALUATION
- Publication
Chinese Medicine, 2021, Vol 16, Issue 1, p1
- ISSN
1749-8546
- Publication type
Article
- DOI
10.1186/s13020-021-00556-6