Detailed GuideMHRA
Clinical trials for medicines: good manufacturing practice and radiopharmaceutical investigational medicinal products
Guidance on good manufacturing practice and the use of radiopharmaceutical investigational medicinal products in clinical trials.
First published: Mar 9, 2026Last updated: Apr 27, 2026Changes: 3
Latest change: The amended Clinical Trials Regulations took full effect on 28 April 2026. As such, this guidance should now be considered effective and is no longer in draft.
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