Congress mandates transparency in animal research, shifts federal funding to alternatives
H.R. 1291 — HEARTS Act of 2025 · Filed by Ken Calvert (R-CA) · 18 cosponsors · Introduced Feb 13, 2025 · Referred to committee
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What it does
This bill requires the National Institutes of Health to prioritize non-animal research methods (like cell cultures, computer models, and AI) in all federally funded research where scientifically feasible, and establishes a new National Center for Alternatives to Animals in Research and Testing to fund, train, and coordinate these methods. It also mandates that research institutions receiving federal funds report publicly on how many animals they use in research, with plans to reduce those numbers over time.
Why we flagged it
The bill's core mechanism is a dual mandate: (1) require NIH to prioritize non-animal methods in research design and review, and (2) establish a new federal center to fund and coordinate alternatives. The operative effect is regulatory tightening on animal use in federally funded research, paired with new public reporting requirements.
What the text implies
- The bill's requirement that research proposals be reviewed by someone with expertise in non-animal methods may slow approval timelines for animal-based research, creating de facto pressure on researchers to adopt alternatives even where animal models remain scientifically preferred.
- Public reporting of animal use by species and institution may enable activist targeting of specific research facilities, potentially affecting recruitment and institutional reputation independent of scientific merit.
The full analysis lists 4 implications of this text.
Who stands to gain
biotech firms developing organoid, microphysiological, and in silico modeling platforms; AI and computational biology software vendors; contract research organizations (CROs) specializing in non-animal testing