The National Institutes of Health (NIH) has announced a funding opportunity titled "Mechanism for Time-Sensitive Drug Abuse Research (R21 Clinical Trial Optional)" aimed at supporting pilot and exploratory research addressing urgent issues related to substance use. This initiative focuses on five priority areas, including responses to sudden spikes in drug abuse, emerging marijuana trends, and time-sensitive opportunities in health care and justice systems, necessitating an expedited review process for applications. The funding amount is capped at $275,000 over a two-year period, with applications due by January 14, 2025. Eligible applicants include a diverse range of organizations, and inquiries can be directed to the NIH OER Webmaster at OERWebmaster03@od.nih.gov.