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U.S. FDA Bids Adieu to Animal Testing

by Hannah Joy on Aug 11 2022 4:12 PM
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Animals aren’t identical to humans, and results from nonhuman studies can lead researchers astray, told US FDA. So, there is no need for animal testing.

U.S. FDA Bids Adieu to Animal Testing
The U.S. Food and Drug Administration (FDA) re-examined its requirement for animal testing on products under its jurisdiction and slashed the need for testing on animals.
A story in Chemical & Engineering News, an independent news outlet of the American Chemical Society, explains that some alternative technologies that do not involve the use of animals could even improve the ability to predict human risk and efficacy for many drugs.

"Although animal models have been critical in bringing new therapies to market, this type of testing raises ethical concerns," says Senior Correspondent Britt E. Erickson.

Animal Testing: Is it Authentic?

In addition, animals aren’t identical to humans, and results from non-human studies can lead researchers astray. Different species absorb and metabolize drugs differently, so a drug could “fail” in mice or rats but work well in humans or vice versa.

Historically, FDA has only allowed alternatives to animal studies in a handful of cases, but the tide is turning.

In a meeting with its Science Board on June 14, 2022, FDA discussed nonanimal approaches that could replace, reduce and refine testing for regulatory purposes.

The agency’s new alternative methods (NAMs) group explained that new technologies, such as microphysiological systems in combination with cellular and computational methods, have the potential to provide better results and move products to the marketplace faster.

FDA is considering putting these technologies through their paces in a qualification process, which would mean that developers would not have to re-validate tools that have gone through this rigorous procedure.

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To fund these efforts, FDA is asking Congress for $5 million for its NAMs initiative in fiscal 2023. And language in bills to reauthorize FDA user fees would allow the agency to consider alternative technologies for preclinical drug testing, meaning it would no longer have to require animal studies.



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Source-Eurekalert


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