Actually, I don't think that's quite correct. The specialists that prescribed me the Humira treatment were quite keen to impress upon me the cost of the drug -

Actually, I don't think that's quite correct. The specialists that prescribed me the Humira treatment were quite keen to impress upon me the cost of the drug - i.e. that it "costs the NHS over £400 per pen" (and this was back in 2015). Of course, this is purely anecdotal but I'm inclined to believe the source as they've no motivation to mislead me.