title: Policies for interim analysis and interim reporting of results.
abstract: The key ethical issues involved in developing policies for interim reports and interim analyses are considered. Then the twin topics of the appropriate contents of interim reports and the components of an appropriate interim analysis are discussed. Finally, suggested policies are offered.
mesh_terms: D002986:Clinical Trials as Topic; D003142:Communication; D004992:Ethics, Medical; D006801:Humans; D033181:Information Dissemination; D009369:Neoplasms / Q000401:mortality / Q000628:therapy*; D011640:Public Policy; D011897:Random Allocation; D012306:Risk