45 CFR 46 | HHS.gov

45 CFR 46 The HHS regulations for the protection of human subjects in research at 45 CFR 46 include five subparts. Subpart A, also known as the Common Rule, provides a robust set of protections for research subjects. The Common Rule, subpart A, was revised in recent years (the “2018 Requirements”). Subparts B, C, and D provide additional protections for certain populations in research …