Year: 2011

A confirmatory, placebo-controlled, randomised, double-blind, single dummy, parallel group, ratio-finding study in constipated pain patients to establish an optimal Hydromorphone – naloxone ratio with an improved bowel function and a comparable analgesic efficacy compared to Hydromorphone alone.
Efficacy and safety of Transdermal Buprenorphine (Norspan BTDS) and placebo in patients with Diabetic Peripheral Neuropathic Pain (DPNP).
A Randomized, Double Blind, Parallel-Group Study of Cardiovascular Safety in Osteoarthritis or Rheumatoid Arthritis Patients with or At High Risk for Cardiovascular Disease Comparing Celecoxib with Naproxen and Ibuprofen.