The FDA Modernization Act, which has been pending in the U.S. House of Representatives since April 2021 (H.R. 2565), has now been introduced in the Senate. The bill would amend the federal Food, Drug, & Cosmetic Act by allowing alternatives to animal testing during the development of new drugs. Since 1962, the FDA has required that experimental drugs first be tested on animals before being used on humans in clinical trials. The Senate bill has been introduced by Senators Cory Booker and Rand Paul and currently is co-sponsored by Senators Mike Braun, John Kennedy, and Ben Ray Lujan.