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Chinese Journal of Clinical Pharmacology and Therapeutics ›› 2014, Vol. 19 ›› Issue (1): 96-100.

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Frequent questions and attentions of applying add-on design to clinical study of Chinese medicine

LIANG Wei-xiong   

  1. The Second Affiliated Hospital of Guangzhou University of Traditional Chinese Medicine, Guangzhou 510120,Guangdong, China
  • Received:2013-04-16 Revised:2013-12-12 Online:2014-01-27 Published:2014-02-12

Abstract: An add-on design used in a placebo-controlled clinical trial study, means designing for all the subjects to receive a tested drug or placebo in addition to standard therapy. In recent years, since more add-on studies have been initiated for clinical trials of Chinese medicine, it is necessary to make the objective, frequent questions and attentions more clearer.

Key words: Clinical trial, Add-on design, Placebo

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