Defined term · Outcomes and endpoints
Serious adverse event
An adverse event that results in death, is life-threatening, requires hospitalisation, produces persistent disability or is a congenital anomaly. A regulatory classification and not a judgement of…
§1Serious adverse event
§1.1Also known as
SAE
§1.2Category
Outcomes and endpoints — Terms describing what a study measures and what the measurement supports.
§1.3Related terms
- Adverse event — Any untoward occurrence in a participant, whether or not attributed to treatment. Ascertained by spontaneous report in most trials, which underestimates incidence…
Compound Evidence Institute · CEI-GT-099 · https://compoundevidence.com/glossary/serious-adverse-event/ · retrieved 30 July 2026