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rec_49

(49) Where unexpected events require an urgent modification of a clinical trial, it should be possible for the sponsor and the investigator to take urgent safety measures without awaiting prior authorisation. If such measures constitute a temporary halt of the clinical trial, the sponsor should apply for a substantial modification before restarting the clinical trial.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-06 · Text as adopted (Official Journal); later amendments are not incorporated in this text.