DHHS Regulations, 45 CFR 46, require at Section 46.109(e) that "an IRB shall conduct continuing review …at intervals appropriate to the degree of risk, but not less than once per year…" Continuing review must be substantive and meaningful. Review by the convened IRB, with recorded vote, is required unless the research is otherwise appropriate for expedited review under Section 46.110. Also known as a Scheduled Continuing Review (SCR).
