In accordance with ICH/GCP Guidance, how long should an IRB/IEC retain all relevant study-related records...

IRBs/IECs must retain records to permit evaluation of compliance.

ICH E6(R2) 3.4.2:“IRB/IEC should retain all relevant records (e.g., written procedures, membership lists, lists of occupations/affiliations of members, submitted documents, minutes of meetings, and correspondence) for at least3 years after completion of the trial.”

Extended retention (B–D) may occur institutionally, but ICH minimum is3 years.

Correct answer:A (At least 3 years).