An Open-label Evaluation of Tapentadol Extended Release (ER) in Participants With Moderate to Severe Chronic Pain After Conversion From Hydrocodone, Oxycodone Controlled Release (CR), and/or Morphine Sustained Release (SR)
PHASE4
The purpose of this study is to evaluate tapentadol Extended Release (ER) i...
Gabapentin, Methadone, and Oxycodone With or Without Venlafaxine Hydrochloride in Managing Pain in Participants With Stage II-IV Squamous Cell Head and Neck Cancer Undergoing Chemoradiation Therapy
PHASE2
This trial studies how well gabapentin, methadone, and oxycodone with or wi...
A Study to Compare Safety and Efficacy of Osmotic Release Oral Syytem (OROS) Hydromorphone Hydrochloride (HCl) With Morphine Sustain Release (SR) in Participants With Cancer Pain
PHASE3
The purpose of this study is to evaluate the effectiveness and safety of Os...