Adverse events reporting timeframe?

• A. Only at the end of the trial
• B. Only for severe events
• C. In a separate post-trial report
• D. Within the time periods required by GCP, the protocol, IRB/IEC, sponsor, and applicable regulatory requirements

Answer: (D)

Adverse event reporting is governed by specific timeframes set by multiple authorities and documents, and those timelines must be followed. The best approach is to report within the periods required by GCP, the study protocol, the IRB/IEC, the sponsor, and any applicable regulatory requirements. This ensures timely safety oversight and compliant documentation throughout the trial. Reporting only at the end, or only for severe events, or in a separate post-trial report would miss the ongoing safety monitoring and regulatory obligations. Different event types and jurisdictions may have different deadlines, so the instruction is to adhere to the most stringent applicable timeframe across all relevant sources.