A new U.S. law eliminated the requirement for developmental drugs to undergo testing in animals before being given to participants in human trials — a change long pushed for by animal rights advocates.
Signed by President Biden in December as part of a larger spending package, the law doesn't ban the testing of new drugs on animals outright.
There are a slew of other methods that drugmakers employ to assess new medications and treatments, such as computer modeling and"organs on a chip," thumb-sized microchips that can mimic how organs' function are affected by pharmaceuticals. "The companies need to be aware of the limitations of those technologies and their ability to identify or not identify potential toxicities," Salem said."You don't want to shift to systems that might not capture all of the types of toxicities that have been seen in the past without ensuring that the methods that you have will capture that."
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