Don't they do sequential statistical analysis on such large scale studies? That is, aren't they obligated by ethics to analyze the data every few months and if unambiguous evidence of efficacy is developed immediately switch all control participants to the effective treatment?
Paul C Bernhardt Frostburg State University Frostburg, MD, USA pcbernhardt[at]frostburg[d0t]edu On Oct 2, 2010, at 3:05 PM, Joan Warmbold wrote: > http://www.nytimes.com/2010/09/19/health/research/19trial.html?pagewanted=1&_r=1&emc=eta1 > > When does random assignment of subjects to groups receiving different > treatments for cancer become unethical and inhumane? This article in the > NYT's certainly provokes such consideration. > > Joan > Joan Warmbold Boggs > [email protected] > > --- > You are currently subscribed to tips as: [email protected]. > To unsubscribe click here: > http://fsulist.frostburg.edu/u?id=13441.4e79e96ebb5671bdb50111f18f263003&n=T&l=tips&o=5360 > or send a blank email to > leave-5360-13441.4e79e96ebb5671bdb50111f18f263...@fsulist.frostburg.edu --- You are currently subscribed to tips as: [email protected]. To unsubscribe click here: http://fsulist.frostburg.edu/u?id=13090.68da6e6e5325aa33287ff385b70df5d5&n=T&l=tips&o=5371 or send a blank email to leave-5371-13090.68da6e6e5325aa33287ff385b70df...@fsulist.frostburg.edu
