Intended for healthcare professionals

Letters Trial registration and publication bias

Medical journal editors and publication bias

BMJ 2013; 347 doi: (Published 22 October 2013) Cite this as: BMJ 2013;347:f6170
  1. Anne Brice, information specialist1,
  2. Iain Chalmers, coordinator1
  1. 1James Lind Initiative, Oxford OX2 7LG, UK
  1. anne.brice{at}

Wager and Williams have exposed cavalier attitudes to biased under-reporting of research among medical journal editors.1 Only 55 (28%) of 200 websites they surveyed required clinical trial registration, and some senior editors felt that trial registration would do little to reduce publication bias.

When asked what other measures might address the problem, some editors suggested having clear journal …

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