Pfizer on Monday named the former head of the U.S. health regulator's drug evaluation unit, Patrizia Cavazzoni, as its chief medical officer, bringing back an industry veteran to lead its regulatory and drug safety operations.

Patrizia Cavazzoni, formerly the top regulator of the drug division of the FDA, will join Pfizer as chief medical officer.

Pfizer appoints Patrizia Cavazzoni as chief medical officer, the U.S. delays the definition of 'healthy' on labels, issues with Wegovy and Ozempic's drug shortages lead to lawsuits, new outbreaks of listeria are under investigation,