An Exploratory Study of PRX167700 in Patients With Knee Osteoarthritis

This is an exploratory study to evaluate a new anti-inflammatory drug, PRX167700, in subjects with painful osteoarthritis of the knee. The purpose of this study is to investigate if PRX167700 improves the pain from osteoarthritis of the knee, and to assess its safety and tolerability. The study will also investigate PRX167700 pharmacokinetics.