To say that a patient failed a treatment is to use fairly common jargon in describing a situation in which the patient is no longer benefitting from that treatment. That doesn’t mean it is the right thing to say, however….
The news is not a surprise. We have been waiting for it for days. Maybe years. I was sitting in my office this morning when the phone rang. On the line was a colleague telling me the news—the FDA has approved a new drug for metastatic melanoma.