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Shih YS, Tsai CH, Li TC, Yu CJ, Chou JW, Feng CL, Wang KT, Lai HC, Hsieh CL. Effect of wu chu yu tang on gastroesophageal reflux disease: Randomized, double-blind, placebo-controlled trial. Phytomedicine 2019; 56:118-125. [PMID: 30668332 DOI: 10.1016/j.phymed.2018.09.185] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 07/19/2018] [Accepted: 09/17/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUND The main symptoms of gastroesophageal reflux disease GERD are heartburn and acid regurgitation. Proton-pump inhibitors (PPI) are considered to be safe and effective for the treatment of GERD. In traditional Chinese medicine, wu chu yu tang (WCYT) is used to treat nausea after eating, vomiting, and diarrhea. PURPOSE We designed a randomized, double-blind, placebo-controlled clinical trial to evaluate the therapeutic effect of WCYT on GERD using omeprazole as a PPI for the positive control. METHODS Ninety patients with GERD were randomly assigned to the 1) control group (CG), who received an oral administration of omeprazole (20 mg) once per day and given WCYT placebo (3.0 g) three times per day for 4 weeks continuously; or the 2) treatment group (TG), who received oral administration of omeprazole (20 mg) placebo once per day and WCYT (3.0 g) three times per day for 4 weeks continuously. RESULTS Seventy-seven patients (37 in CG, 40 in TG) completed the trial. Both Reflux Disease Questionnaire (RDQ) and Gastroesophageal Reflux Disease Questionnaire (GERDQ) scores was less in the second assessment (V2) and in the third assessment (V3) than those in V1 (first assessment; baseline) in the CG and TG groups (all p < 0.001); the score difference of both RDQ and GERDQ between V2 and V1 was similar between CG and TG (p = 1.00, p = 0.54, respectively). The score difference of both RDQ and GERD between V3 and V1 was less in the CG group than those of the TG group (both p = 0.004). CONCLUSION WCYT has an effect similar to omeprazole for GERD treatment. Furthermore, this effect resulting from WCYT appeared to be maintained for a longer period of time than did that of omeprazole. A study with a larger sample size and longer study period is needed to corroborate our findings.
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Affiliation(s)
- Yi-Sing Shih
- Graduate Institute of Integrated Medicine, College of Chinese Medicine, China Medical University, 91 Hsueh-Shih Road, Taichung 40402, Taiwan; Division of Hepato-Gastroenterology, Department of Internal Medicine, China Medical University Hospital, Taichung 40447, Taiwan
| | - Chang-Hai Tsai
- School of Medicine, College of Medicine, China Medical University, Taichung 40402, Taiwan; Division of Pediatric Neurology, Department of Pediatrics, China Medical University Hospital, Taichung 40447, Taiwan
| | - Tsai-Chung Li
- Department of Public Health, College of Public Health, China Medical University, Taichung, 40402, Taiwan; Department of Healthcare Administration, College of Health Science, Asia University, Taichung 413, Taiwan
| | - Cheng-Ju Yu
- Division of Hepato-Gastroenterology, Department of Internal Medicine, China Medical University Hospital, Taichung 40447, Taiwan
| | - Jen-Wei Chou
- Division of Hepato-Gastroenterology, Department of Internal Medicine, China Medical University Hospital, Taichung 40447, Taiwan
| | - Chun-Lung Feng
- Division of Hepato-Gastroenterology, Department of Internal Medicine, China Medical University Hospital, Taichung 40447, Taiwan
| | - Kun-Teng Wang
- Brion Research Institute of Taiwan, Taipei City 231, Taiwan
| | - Hsueh-Chou Lai
- Division of Hepato-Gastroenterology, Department of Internal Medicine, China Medical University Hospital, Taichung 40447, Taiwan; School of Chinese Medicine, College of Chinese Medicine, China Medical Univeristy, Taichung 40402, Taiwan
| | - Ching-Liang Hsieh
- Graduate Institute of Integrated Medicine, College of Chinese Medicine, China Medical University, 91 Hsueh-Shih Road, Taichung 40402, Taiwan; Graduate Institute of Acupuncture Science, College of Chinese Medicine, China Medical University, Taichung 40402, Taiwan; Chinese Medicine Research Center, China Medical University, Taichung 40402, Taiwan; Department of Chinese Medicine, China Medical University Hospital, Taichung 40447, Taiwan.
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