Clinical Trial Registry Errors Undermine Transparency

A lack of comprehension among some researchers about how to use ClinicalTrials.gov may be hindering public access to trial information and holding up drug study results, an investigation by The Scientist finds.

Written byCatherine Offord
| 10 min read
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Update (August 8): The University of Minnesota has now updated the trial record for its COVID-OUT study to show an actual primary completion date of February 14, 2022. Final enrollment numbers are not yet provided.

Confusion about terminology on the world’s largest clinical trials registry may be delaying the release of drug trial results and undermining rules designed to promote transparency, an investigation by The Scientist has found.

Key study dates and other information are entered into the ClinicalTrials.gov database by trial researchers or sponsors, and are used by US science and regulatory agencies to determine legal deadlines by which results must be reported. The rules are supposed to ensure timely public access to findings about a potential therapy’s harms and benefits, as well as provide the scientific community with an up-to-date picture of the status of clinical research.

But neither the agencies nor staff overseeing the database routinely monitor ...

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Meet the Author

  • After undergraduate research with spiders at the University of Oxford and graduate research with ants at Princeton University, Catherine left arthropods and academia to become a science journalist. She has worked in various guises at The Scientist since 2016. As Senior Editor, she wrote articles for the online and print publications, and edited the magazine’s Notebook, Careers, and Bio Business sections. She reports on subjects ranging from cellular and molecular biology to research misconduct and science policy. Find more of her work at her website.

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