Read the paragraph below and choose the alternative that fills in correctly and respectively the blanks below.
“Ketamine, ________ is also a drug used recreationally to achieve a sort ______ “out of body” high, “is not ______ all ready for prime time”, said Dr. James Murrough, an associate professor of psychiatry at Icahn School of Medicine at Mt. Sinai. But it is approved ______ use in anesthesia, so it’s available legally. And years of small and preliminary trials have offered tantalizing evidence of its powerful and fast-acting antidepressant effect ______ patients whose depression has failed to yield to other treatments.”
Ketamine: a potential rescue drug for depression takes a step forward. Available in: http://www.latimes.com