MHRA updates guidance for clinical investigations |

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/860787/Guidance_for_mfrs_on_clinical_trials_January_2020.pdf

With practical instructions on when a clinical investigation is required, and the note that “notification to the MHRA will not be required if the medical device to be used is CE marked for the purpose under investigation”