The Methuselah Foundation (another Aubrey de Grey's foundation) has recently advocated for alternatives to animal testing, such as organs-on-a-chip and organoids, and they announced a prize to help foment research in the area:

>Passed unanimously in September by the U.S. Senate, the bill faces a promising outlook in the House...
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>This rare consensus across bipartisan lines represents a scientific tipping point into an era where new technologies can now outperform animal studies for many indications, says cell biologist Don Ingber, the founding director of the Wyss Institute for Biologically Inspired Engineering at Harvard University in Boston. Animal research continues to benefit people in a variety of ways and is unlikely to disappear altogether, he says. But given a strong preference for alternatives on both sides of the aisle, the change could potentially be a win for animals, people, and science.