Naltrexone is an opioid antagonist ... The answer is "tangled up in red tape". The drug is "out of patent" and therefore there is "no real money to be made by Big Pharma", while in the UK it ...

The number of New Yorkers prescribed a key medication for opioid use disorder increased ... federal provisional data show. Still, that drop — to 3,253 drug deaths — followed record-high ...