An adverse event is any undesirable medical occurrence experienced by a patient or clinical trial subject during treatment, regardless of whether a causal relationship with the product has been established. In clinical and post-market safety documentation, adverse events appear in case report forms, safety narratives, and periodic reports, where accurate translation is critical for causality assessment, regulatory submission, and signal detection.
Adverse event terminology appears in clinical trial documents, safety databases, pharmacovigilance reports, and post-market surveillance files. Translators must accurately translate event descriptions, medical history, and outcomes, often under tight timelines, because coded terms and narratives feed directly into regulatory submissions, signal detection activities, and data monitoring committee reviews.
A frequent mistake is confusing 'adverse event' with 'adverse reaction' or assuming causality when the source text does not state it. This can alter the safety record, affect incidence data, or create false attribution in translated narratives, which may mislead safety reviewers and regulators during assessment and case processing.
FDA, CE/MDR and NMPA reviewers assess the submitted wording itself. Regulatory bodies require traceable, accountable translation, and an inconsistent term can delay or fail a submission.
Angel Translation locks terms like this into a project terminology base before expert review begins, so the same source term resolves to the same target term across every document in a submission — and stays consistent in the next revision. See the 8-step AI + expert workflow.
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