Investigators said Plasencia worked with another doctor, Mark Chavez, to provide Perry with ketamine off the books. The ...

The doctor who gave Matthew Perry ketamine in the months before his death will plead guilty to some of the counts he is ...

Dr. Salvador Plasencia, who allegedly supplied ketamine to Matthew Perry and once called him a “moron,” pleads guilty and may face 40 years in prison.

A related compound, esketamine, has been approved in the European Union and the United States for the emergency treatment of treatment-resistant depression, administered as a nasal spray under strict ...