Letters Non-publication of large randomised clinical trials

Effect of funding source on publication bias is not so clear cut

BMJ 2013; 347 doi: https://doi.org/10.1136/bmj.f7582 (Published 23 December 2013) Cite this as: BMJ 2013;347:f7582
  1. Marlies van Lent, researcher1,
  2. Henk Jan Out, professor1
  1. 1Radboud University Medical Centre, PO Box 9101, 6500 HB, Nijmegen, Netherlands
  1. Marlies.vanLent{at}radboudumc.nl

We agree with Jones and colleagues that non-publication of trial results is unethical, unnecessarily exposing research subjects to the risks and burdens of trial participation.1

The authors report that non-publication was more common in trials that received industry funding (150/468; 32%) than in those that did not (21/117; …

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