Versions of See prior versions of a law on LawServer 2024 21 CFR 312.40 – General requirements for use of an investigational new drug in a clinical investigation 2023 21 CFR 312.40 – General requirements for use of an investigational new drug in a clinical investigation 2022 21 CFR 312.40 – General requirements for use of an investigational new drug in a clinical investigation 2021 21 CFR 312.40 – General requirements for use of an investigational new drug in a clinical investigation 2020 21 CFR 312.40 – General requirements for use of an investigational new drug in a clinical investigation 2019 21 CFR 312.40 – General requirements for use of an investigational new drug in a clinical investigation 2016 21 CFR 312.40 – General requirements for use of an investigational new drug in a clinical investigation 2015 21 CFR 312.40 – General requirements for use of an investigational new drug in a clinical investigation 2014 21 CFR 312.40 – General requirements for use of an investigational new drug in a clinical investigation 2010 21 CFR 312.40 – General requirements for use of an investigational new drug in a clinical investigation