The National Institutes of Health (NIH) has announced a funding opportunity for the Advanced-Stage Development and Utilization of Research Infrastructure for Interdisciplinary Aging Studies (R33 Clinical Trial Optional). This initiative aims to enhance research infrastructure in the field of aging by fostering interdisciplinary collaborations that address significant challenges in aging research. Eligible applicants include a diverse range of organizations, such as educational institutions, nonprofits, and governmental entities, with proposals required to demonstrate innovative approaches to advancing aging research. The funding amount is capped at $500,000 in direct costs annually, with applications due by December 2, 2025. For further inquiries, applicants can contact NIH Grants Information at grantsinfo@nih.gov or visit the opportunity's webpage at https://grants.nih.gov/grants/guide/pa-files/PAR-23-054.html.