Doctor quits controversial ketamine clinic

The medical director of a company treating seriously depressed patients with experimental ketamine injections has apparently quit, amid concerns from psychiatrists about patient harm.

GP and University of Melbourne academic Associate Professor Graham Barrett (pictured) had been medical director of Aura Medical, which set up clinics in Melbourne and Sydney last year.

The clinics advertise direct to the public and have been charging about $150 for each ketamine injections.

Ketamine as a