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.
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 June 14 meeting with its Science Board, FDA discussed nonanimal approaches that could replace, reduce and refine testing for regulatory purposes.
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The agency’s new alternative methods (NAM) 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.
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.
Source: Eurekalert
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