In April 2025, announcements from the two most influential biomedical agencies in the US, the FDA and the NIH, declared that both will seek to reduce and minimize animal-based testing and experimentation. These declarations sparked joy in some circles, and deep concern in others that was reflected in a 28% fall in the share price of Charles River Labs (NYSE: NYSE:CRL).
George F. Tidmarsh has resigned from his job as director of the FDA Center for Drug Evaluation and Research in the aftermath of a lawsuit by a former associate and a probe into what an HHS spokesperson described as “serious concerns about his personal conduct.”
