While anti-pain drugs are a multibillion-dollar business for pharmaceutical firms, some of the treatments such as oxycodone have been abused. This has created a market for technologies that are intended to prevent people from tampering with such pain meds for recreational use--or abuse. Seeking Alpha recently took a deep dive into several approved or late-stage anti-pain meds that feature systems to prevent abuse, with overviews of drug developers such as Acura Pharmaceuticals ($ACUR), Durrect ($DRRX), and Pfizer's ($PFE) King Pharmaceuticals. Story