The National Institutes of Health (NIH) is inviting applications for the NIA Multi-site Clinical Trial Implementation Grant (R01 Clinical Trial Required), aimed at supporting multi-site investigator-initiated clinical trials that align with the National Institute on Aging's (NIA) mission of health and aging research. The funding opportunity seeks well-designed trials that address significant health issues among older adults, emphasizing the importance of timely publication of results and compliance with regulatory standards. This grant is open to a diverse range of eligible applicants, including higher education institutions, nonprofits, and governmental entities, with a project period of up to five years and multiple submission deadlines from March 2023 to February 2025. Interested applicants can find more information and application instructions at the NIH grants website or contact NIH Grants Information at grantsinfo@nih.gov for further inquiries.