Unblinded Safety Review

Unblinded safety review breaks trial randomisation revealing treatment assignments enabling urgent safety assessment. Life-threatening adverse events warrant immediate investigation. Predefined stopping rules establish intervention thresholds. Independent data monitoring committees conduct reviews. Regulatory notification occurs when safety concerns emerge.

Trial continuation decisions depend on review findings. Participant notification addresses safety concerns. Regulatory agencies receive safety communications. Clinical modification implements safety recommendations. Post-review monitoring confirms appropriateness.