The Lancet  
Sep 28, 2013  Volume 382  Number 9898  p1071 – 1152  e6 – 9
http://www.thelancet.com/journals/lancet/issue/current

Comment
Secure use of individual patient data from clinical trials
Patrick Vallance, Iain Chalmers

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Publishing the results of all clinical trials, whoever funds them, is required for ethical, scientific, economic, and societal reasons.1 Individuals who take part in trials need to be sure that data they contribute are used to further knowledge, prevent unnecessary duplication of research, and improve the prospects for patients.