A 2025 study found that termination of federal research grants disrupted about 1 in 30 clinical trials funded by the National Institutes of Health.
November 18, 2025
high
statistical
Proportion of NIH-funded clinical trials affected by grant terminations.
A 2025 study found that more than 74,000 patients were enrolled in clinical trials that were interrupted by termination of National Institutes of Health grants.
November 18, 2025
high
statistical
Number of participants enrolled in NIH-funded clinical trials affected by grant terminations.
A 2025 study found that the National Institutes of Health terminated grants for 383 clinical trials between February 28, 2025 and August 15, 2025 out of 11,008 clinical trials it funded during that period.
November 18, 2025
high
statistical
Counts of NIH-funded clinical trials and grant terminations within a specified date range in 2025.
A 2025 study found that more than 14% of infectious disease trials, about 6% of respiratory illness trials, and about 5% of cardiovascular trials funded by the National Institutes of Health had their funding terminated.
November 18, 2025
high
statistical
Breakdown of NIH-funded clinical trial terminations by disease focus area in 2025.