An amnesty for unpublished trials

Ian Roberts

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Meta-analysis and systematic reviews Academic Publishing and Open Access Pharmaceutical industry and healthcare

Abstract

A year ago the editors of 50-100 medical journals called an amnesty for unpublished trials.1 Investigators with unreported trial data were invited to register their trials by completing an unreported trial registration form. The aim was to tap the silent subterranean pool of unpublished research and, by bringing these data to the surface, to increase the power of systematic reviews and reduce the effects of publication bias. In this respect the amnesty was a flop. To date, only 165 trials have been registered2—a drop in the ocean of unpublished research. But perhaps this is being too negative. Most of the …

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1990Underreporting Research Is Scientific Misconduct 1990Underreporting research is scientific misconduct 1997An amnesty for unpublished trials

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