A Study of a Novel Investigational Drug in Rheumatoid Arthritis Patients (MK-0873-012)(COMPLETED)

A Randomized, Placebo-Controlled, Parallel-Group, Double-Blind, 12-Week Study to Assess the Clinical Efficacy, Safety, and Tolerability of MK-0873 in Rheumatoid Arthritis

This study will look at whether this new drug is effective in the treatment of rheumatoid arthritis, and at whether it is safe and well-tolerated by participants with the disease.

Inclusion Criteria:

• Rheumatoid arthritis, according to the American College of Rheumatology criteria, with active disease despite current medications
• Other criteria also apply

Exclusion Criteria:

• Other major illnesses
• Past history of certain other disorders
• Certain prohibited medications