Pain — A Study of the Effectiveness and Safety of Sustained-release Hydromorphone (a Strong Opioid) in Patients With Chronic Noncancer Pain.
Citation(s)
Randomized, Open-Label, Comparative Parallel Group Study to Assess Efficacy and Safety on Flexible Dosages of OROS Hydromorphone Once-Daily Compared to Sustained Release Oxycodone Twice Daily in Subjects With Chronic Non-malignant Pain Requiring Continuous Opioid Therapy.