Working After 1.64 [VALIDATED - 2026]

: The principal investigator (PI) maintains ultimate responsibility. Working under 1.64 requires documented evidence that the PI is supervising sub-investigators, particularly when they are performing tasks like participant screening or safety assessments.

The International Council for Harmonisation (ICH) recently updated its Good Clinical Practice (GCP) guidelines to version R3. Section 1.64 defines the , focusing on any individual member of the clinical trial team designated and supervised by the investigator at a trial site to perform critical trial-related procedures and/or make important trial-related decisions. Key Principles for Working Under R3 Standards Working after 1.64

: Version R3 introduces more flexibility for using digital tools. Working after these updates means clinical staff must be proficient in decentralized trial technologies and electronic data capture (EDC) systems, as the guideline now better supports their use. Impact on Clinical Professionals Section 1