To compare the efficacy of two kinds of Zhizhu pills in the treatment of functional dyspepsia of spleen-deficiency and qi-stagnation syndrome: a randomized group sequential comparative trial
2011

Comparing Two Types of Zhizhu Pills for Treating Functional Dyspepsia

Sample size: 160 publication Evidence: high

Author Information

Author(s): Wu Hongli, Jing Zhiwei, Tang Xudong, Wang Xinyue, Zhang Shengsheng, Yu Yanan, Wang Zhong, Cao Hongxin, Huang Luqi, Yu Youhua, Wang Yongyan

Primary Institution: China Academy of Chinese Medical Sciences

Hypothesis

The study aims to compare the efficacy of two kinds of Zhizhu pills in treating functional dyspepsia of spleen-deficiency and qi-stagnation syndrome.

Conclusion

Zhizhu pills containing immature orange fruit of Citrus aurantium L. were found to be more effective than those containing Citrus sinensis Osbeck in treating functional dyspepsia.

Supporting Evidence

  • The cure-markedly effective rates were 67% for the IFCA group and 45% for the IFCS group.
  • No adverse events were observed in either group during the trial.
  • The trial was stopped early after the third interim analysis indicated significant results.

Takeaway

This study tested two types of herbal pills to see which one helps people with stomach problems feel better, and one type worked better than the other.

Methodology

A randomized, group sequential, double-blinded, multicenter trial was conducted with patients taking one of the two Zhizhu pills for 4 weeks.

Limitations

The study did not include a placebo group and used criteria that were modified after the trial ended.

Participant Demographics

Participants were aged 18 to 65 years, with a mix of genders and no significant differences in baseline characteristics.

Statistical Information

P-Value

0.0036

Confidence Interval

95%CI: 1.40 to 6.06

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-230X-11-81

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