Scientists Design a Drug That Relieves Pain Like an Opioid without Some Dangerous Side Effects

August 17, 2016

(Los Angeles Times) – What if you could design a drug that has all the pain-relieving power of morphine but none of its dangerous or addictive side effects? Scientists have spent years trying to do just that, and on Wednesday, they unveiled one of their most promising compounds yet — a chemical concoction they dubbed “PZM21.” When tested in mice that were placed on a hot surface, PZM21 offered nearly as much pain relief as morphine and lasted for up to three hours.