The National Institutes of Health (NIH), through the National Institute on Aging (NIA), has announced the NIA Multi-site Clinical Trial Implementation Grant (R01 Clinical Trial Required) to support investigator-initiated multi-site interventional clinical trials focused on aging-related research. This funding opportunity aims to foster innovative biomedical and behavioral studies that address the complexities of aging, particularly in populations with multiple chronic conditions and polypharmacy. Eligible applicants include a diverse range of organizations such as higher education institutions, nonprofits, and tribal governments, with an emphasis on rigorous trial designs that ensure ethical considerations and participant diversity. Interested parties should note that the application deadline is January 7, 2026, and further details can be found at the provided NIH grants link, with inquiries directed to grantsinfo@nih.gov.