Background
This year's terminations of biomedical research grants funded by the National Institutes of Health (NIH) is unprecedented in the history of the agency. One key area that has been impacted is NIH-funded research training and career development grants, which play a vital role in building the next generation of the biomedical research workforce. This brief focuses on research training and career development grants and analyzes available data, as of June 4, 2025, from a dynamic database that tracks grant terminations.