Male or Female patients between the ages of 40-75 with a diagnosis of Osteoarthritis of the knee consistent with the American College of Rheumatology (ACR) Clinical Classification Criteria for Arthritis of the Knee (Altman, R. et al., 1991):

  • Current knee pain,
  • Less than 30 minutes of morning stiffness with or without crepitus on active motion,
  • Confirmation either by arthroscopy or radiologist's report (X-rays showing osteophytes, joint space narrowing or subchondral bone sclerosis {eburnation}) within two years prior to entry into the study.

Read more: http://www.clinicaltrials.gov/ct2/show/NCT00833911?cond=%22Arthritis%22&lup_s=07/14/2011&lup_d=30