Intended for healthcare professionals

Letters Retaining trial participants

Some participants depend on clinical trials

BMJ 2022; 376 doi: https://doi.org/10.1136/bmj.o120 (Published 18 January 2022) Cite this as: BMJ 2022;376:o120
  1. Peter Selley, retired GP
  1. Crediton, UK
  1. peterjselley{at}gmail.com

Well regulated clinical trials of drugs, including the retention of trial participants, are essential.1

One reason volunteers participate is financial. As an example, participants in a two week …

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