GuidanceMHRA
Clinical trials for medicines: Archiving and retention of clinical trial records
Information on clinical trial record retention and archiving requirements including requirements for ownership, data integrity, and transitional provisions.
First published: Jan 12, 2026Last updated: Apr 27, 2026Changes: 5
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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