Pfizer Wins Approval of Painkiller Designed to Stop Abuse

Pfizer Wins Approval of Painkiller Designed to Stop Abuse

Michele Tantussi/Bloomberg

Pfizer Inc., the world’s biggest drugmaker, and Acura Pharmaceuticals Inc. won U.S. approval for the first short-acting painkiller that discourages users from snorting or injecting it for a quick high.