ABSTRACT
Objective Clinical trial researches are sponsored by medical companies mostly,the research paper publishes in a potential publication bias inevitably.This paper discussed the author's and authorship's issues in clinical trials.Methods The Good Publication Practice for pharmaceutical companies (GPP) 3rd edition was interpreted,related literatures and domestic policies were analyzed.Results The issues including setting up publication steering committees,clarifying authorship,employing professional medical writers,personal fees,contributorship and acknowledgments,potential conflict of interest,and author's rights and obligations should be well panned and deal with in clinical trials.Conclusions Researchers who involved in clinical trials should treat the author's and authorship ’s issues with caution.