Letters Liberating clinical trial data

Data sharing is desirable, but benefits should not be exaggerated

BMJ 2015; 351 doi: https://doi.org/10.1136/bmj.h5508 (Published 21 October 2015) Cite this as: BMJ 2015;351:h5508
  1. David M Nathan, director MGH Diabetes Center and Clinical Research Center, professor of medicine, Harvard Medical School1,
  2. Saul M Genuth, professor of medicine2,
  3. Bernard Zinman, director, Leadership Sinai Centre for Diabetes, professor of medicine, University of Toronto3,
  4. John M Lachin, research professor of biostatistics and of epidemiology, and of statistics4
  1. 1Diabetes Treatment and Research Center, Boston, MA 02114, USA
  2. 2Case Western Reserve University, Cleveland, OH, USA
  3. 3Mount Sinai Hospital, Toronto, ON, Canada
  4. 4George Washington University Biostatistics Center, Rockville, MD, USA
  1. braffett{at}bsc.gwu.edu

On behalf of the Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications (DCCT/EDIC) research group, we thank Henry and Fitzpatrick for their praise of how we have shared data with outside investigators over the years.1 We did so by providing DCCT/EDIC data and biosamples to the National Institute of Diabetes …

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