Alarm over experimental ketamine treatment

Seriously ill patients are receiving experimental ketamine injections to treat depression at clinics spruiking directly to the public.

Aura Medical Corporation, launched last October, is charging $150 for each subcutaneous injection administered off-label and outside the boundaries of a clinical trial at its Melbourne and Sydney clinics.

The treatments, which are advertised on local radio and have featured in media reports on Channel 9 and the ABC, are