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A Multicenter,Randomized,Placebo-Controlled Clinical Study on Clinical Efficacy of Simo Decoction Oral Liquid(四磨汤口服液)in Treatment of Functional Constipation(Qi Stagnation Constipation)
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Xudong TANG1, Fang LU1, Qian YANG2, Xiaomeng LANG2, Huiwu LIU3, Hongmei YAN3, Zufu YANG4, Honglei CHEN4, Haiqing LIANG5, Yiran LI5, Luzhou XU6, Kai ZHENG6, Xiaojun YANG7, Wanqun CHEN7, Hua YANG8, Hongxia LYU9
Chinese Archives of Traditional Chinese Medicine | 2026, 44(4) : 1 - 6
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Chinese Archives of Traditional Chinese Medicine | 2026, 44(4): 1-6
• New Opinion of Ph. D. Supervisor •
A Multicenter,Randomized,Placebo-Controlled Clinical Study on Clinical Efficacy of Simo Decoction Oral Liquid(四磨汤口服液)in Treatment of Functional Constipation(Qi Stagnation Constipation)
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Xudong TANG1, Fang LU1, Qian YANG2, Xiaomeng LANG2, Huiwu LIU3, Hongmei YAN3, Zufu YANG4, Honglei CHEN4, Haiqing LIANG5, Yiran LI5, Luzhou XU6, Kai ZHENG6, Xiaojun YANG7, Wanqun CHEN7, Hua YANG8, Hongxia LYU9
Affiliations
  • 1.Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China
  • 2.Hebei Provincial Hospital of Traditional Chinese Medicine, Shijiazhuang 050013, Hebei, China
  • 3.Wuhan Hospital of Traditional Chinese Medicine, Wuhan 430010, Hubei, China
  • 4.China Rehabilitation Research Center, Beijing Boai Hospital, Beijing 100068, China
  • 5.Dezhou Hospital, Qilu Hospital of Shandong University, Dezhou 253075, Shandong, China
  • 6.Jiangsu Provincial Hospital of Traditional Chinese Medicine, Nanjing 210004, Jiangsu, China
  • 7.Chongqing Hospital of Traditional Chinese Medicine, Chongqing 400011, China
  • 8.Hunan Hansen Pharmaceutical Co., Ltd., Yiyang 413000, Hunan, China
  • 9.Beijing Kangzhong Times Medical Technology Group Co., Ltd., Beijing 100071, China
Published: 2026-04-10 doi: 10.13193/j.issn.1673-7717.2026.04.001
Outline
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Objective

To explore the clinical efficacy and safety of Simo Decoction Oral Liquid(四磨汤口服液)in the treatment of functional constipation(Qi stagnation constipation).

Method

A multicenter, randomized, double-blind and placebocontrolled design was used to randomly divide 80 patients with functional constipation(Qi stagnation constipation)in 7 hospitals from March 2022 to June 2023 into two groups, 40 cases in the experimental group were given oral administration of Simo Decoction Oral Liquid, and 40 cases in the control group were given Simo Decoction Oral Liquid simulant. Both groups took the medicine two sticks for each time, twice a day, and the course was 8 weeks. The response rate of complete spontaneous defecation(CSBM), the improvement of bowel movement - related symptoms, the scores of TCMsyndromes, the number of emergency drugs taken and the adverse reactions of the two groups were observed.

Result

The overall CSBM response rate in the experimental group(FAS: 77.50%;PPS: 83.80%)was better than that in the control group(FAS: 22.50%;PPS: 17.10%), with a statistically significant difference(P<0.001). The weekly CSBMresponse rate of the experimental group(FAS: 82.5%)was significantly better than that of the control group(FAS: 22.50%), with a statistically significant difference(P<0.001). The change value of CSBMin the experimental group(FAS: 2.95±1.79)was higher than that of the control group(FAS: 0.74±1.53), and the difference was statistically significant(P<0.001). The abdominal pain in defecation, abdominal distension, effortful defecation and medication assisted defecation frequency, the primary symptoms(abdominal distension and unpleasant defecation)and the secondary symptoms(intestinal sounding and fullness in the chest and ribs points)of TCMsyndromes, as well as the amount of emergency medication intake before and after the treatment in the experimental group were better than those in the control group, with a statistically significant difference(P<0.05). No adverse reactions related to the study drug occurred in neither group, the incidence of adverse reactions was 0.

Conclusion

The total CSBMresponse rate of functional constipation(Qi stagnation constipation)treated with Simo Tang Oral Liquid was more than 50% higher than that of the control group, and it significantly improved the bowel movement-related symptoms such as abdominal pain, abdominal distention, unpleasant defecation, bowel sound, and chest and rib tightness, and the medication was safe.

Simo DecoctionOral Liquid(四磨汤口服液)  /  functional constipation  /  Qi stagnation constipation  /  clinical randomized controlled trial  /  efficacy evaluation
唐旭东, 陆芳, 杨倩, 郎晓猛, 刘惠武, 严红梅, 杨祖福, 陈洪雷, 梁海清, 李一然, 徐陆周, 郑凯, 杨小军, 陈万群, 杨华, 吕红霞. 评价四磨汤口服液治疗功能性便秘(气滞秘)临床疗效的多中心、随机、安慰剂对照临床研究. 中华中医药学刊, 2026 , 44 (4) : 1 -6 . DOI: 10.13193/j.issn.1673-7717.2026.04.001
Xudong TANG, Fang LU, Qian YANG, Xiaomeng LANG, Huiwu LIU, Hongmei YAN, Zufu YANG, Honglei CHEN, Haiqing LIANG, Yiran LI, Luzhou XU, Kai ZHENG, Xiaojun YANG, Wanqun CHEN, Hua YANG, Hongxia LYU. A Multicenter,Randomized,Placebo-Controlled Clinical Study on Clinical Efficacy of Simo Decoction Oral Liquid(四磨汤口服液)in Treatment of Functional Constipation(Qi Stagnation Constipation)[J]. Chinese Archives of Traditional Chinese Medicine, 2026 , 44 (4) : 1 -6 . DOI: 10.13193/j.issn.1673-7717.2026.04.001
Year 2026 volume 44 Issue 4
97
18
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doi: 10.13193/j.issn.1673-7717.2026.04.001
  • Online Date:2026-10-14
  • Published:2026-04-10
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Affiliations
    1.Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China
    2.Hebei Provincial Hospital of Traditional Chinese Medicine, Shijiazhuang 050013, Hebei, China
    3.Wuhan Hospital of Traditional Chinese Medicine, Wuhan 430010, Hubei, China
    4.China Rehabilitation Research Center, Beijing Boai Hospital, Beijing 100068, China
    5.Dezhou Hospital, Qilu Hospital of Shandong University, Dezhou 253075, Shandong, China
    6.Jiangsu Provincial Hospital of Traditional Chinese Medicine, Nanjing 210004, Jiangsu, China
    7.Chongqing Hospital of Traditional Chinese Medicine, Chongqing 400011, China
    8.Hunan Hansen Pharmaceutical Co., Ltd., Yiyang 413000, Hunan, China
    9.Beijing Kangzhong Times Medical Technology Group Co., Ltd., Beijing 100071, China
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表12种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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