Letters Data sharing

Lack of data sharing in observational studies

BMJ 2017; 359 doi: https://doi.org/10.1136/bmj.j4866 (Published 24 October 2017) Cite this as: BMJ 2017;359:j4866
  1. Laura McDonald, manager1,
  2. Anna Schultze, research associate2,
  3. Alex Simpson, research associate2,
  4. Sophie Graham, research associate2,
  5. Radek Wasiak, vice president2,
  6. Sreeram V Ramagopalan, director1
  1. 1Centre for Observational Research and Data Sciences, Bristol-Myers Squibb, Uxbridge UB8 1DH, UK
  2. 2Real World Evidence, Evidera, London W6 8DL, UK
  1. sreeram.ramagopalan{at}bms.com

Several articles call for the sharing of clinical trial data,12 but sharing observational data receives little—and arguably insufficient—attention. This is despite the important uses of these data, for example in assessing the weekend effect in the UK3 and in national clinical guidelines.4 …

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