The National Institutes of Health (NIH) is offering a funding opportunity for the establishment of Developmental AIDS Research Centers (D-ARCs) through the P30 Clinical Trial Optional grant program. This initiative aims to support innovative interdisciplinary research at the intersection of mental health and HIV/AIDS, providing essential infrastructure to advance significant scientific discoveries in these fields. The program is particularly focused on addressing systemic health disparities in HIV treatment and prevention, encouraging collaboration among diverse organizations, including higher education institutions and nonprofits. Interested applicants can apply for grants of up to $750,000 per year for a maximum of four years, with proposals due starting July 25, 2024, and a letter of intent required 30 days prior to submission. For further inquiries, applicants can contact NIH Grants Information at grantsinfo@nih.gov.