Moderate-to-severe Chronic Plaque Psoriasis

• Vanda Investigational Site — Glendale, Arizona, United States
• Vanda Investigational Site — Fremont, California, United States
• Vanda Investigational Site — Rochester, New York, United States
• Vanda Investigational Site — Spokane, Washington, United States

• Elite Clinical Studies, LLC — Phoenix, Arizona, United States
• Anaheim Clinical Trials — Anaheim, California, United States
• Revival Research — Doral, Florida, United States
• Indago Research and Health Center - Emergency Medicine — Hialeah, Florida, United States

Not specified

• Site 1 — Fountain Valley, California, United States
• Site 2 — Thousand Oaks, California, United States
• Site 20 — Miami, Florida, United States
• Site 7 — Miami, Florida, United States