According to New Scientist: Scientists have possibly developed a new pain medicine which targets the same pain receptors as opioids but has no addictive properties.
Opioid crisis: powerful but non-addictive drug could replace morphine
Oxycodone provides pain relief at a price A new opioid drug blocks pain in monkeys without any apparent addictive or dangerous side-effects. Opioids like morphine, oxycodone and fentanyl are good at stopping pain but can also be addictive. In the US alone, more than 46 people die every day from overdoses involving prescription opioids.