THis month from the Journal of Palliative Medicine ( yes you should add this to your reading list!)
a case report from New Zealand, of the long term treatment of a woman with metastatic ovarian cancer and pre-existing major depressive disorder, weekly IMI ketamine 1mg/kg for her affective symptoms. The authors report good response to this treatment for 8 months!
Here is the link to the article
Long term mood response to repeat dose IMI ketamine