Conversion to Embeda With Rescue Trial

The purpose of the research study is to find out if opioid dependent chronic pain patients who are judged by their physician to be eligible to change their current opioid medicine and to participate in this study can be successfully adjusted to a stable dose of EMBEDA (morphine sulfate and naltrexone hydrochloride). The study will also assess each patient's risk for prescription opioid abuse, misuse and diversion.