# The Medicines for Human Use (Clinical Trials) (Amendment) Regulations 2025, Regulation 5: Insertion of new regulation 3B

Extent: E+W+S+N.I.

After regulation 3A (sponsor’s responsibility for the investigator’s brochure) insert—
“Investigator in a clinical trial
3B The investigator, in relation to a clinical trial, shall be a health care professional who is appropriately trained to undertake that role in a clinical trial.”.

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Source: https://www.legislation.gov.uk/uksi/2025/538/regulation/5 (the official version)
Page: https://openlegislation.uk/medicines-for-human-use-clinical-trials-amendment-regulations-2025/regulation-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.