When are clinical trials registered? An analysis of prospective versus retrospective registration.

@article{Harriman2016WhenAC,
  title={When are clinical trials registered? An analysis of prospective versus retrospective registration.},
  author={Stephanie L Harriman and Jigisha Patel},
  journal={Trials},
  year={2016},
  volume={17},
  pages={187}
}
BACKGROUND Due to problems of publication bias and selective reporting, the ICMJE requires prospective registration of all clinical trials with an appropriate registry before the first participant is enrolled. Previous research has shown that not all clinical trials are registered at this time (prospectively). This study investigated the extent and timing of trial registration. The aims were to determine 1) the proportion of clinical trials that were registered prospectively or retrospectively… CONTINUE READING
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