An Open-Label, Pilot Study to Evaluate the Efficacy of Narrowband Ultraviolet-B Phototherapy Three Times Weekly for Twelve Weeks in Moderate-to-Severe Psoriasis Patients

Inclusion Criteria: 1. Male or female adults ≥ 18 years of age. 2. Diagnosis of chronic plaque-type psoriasis for at least 6 months 3. Moderate to Severe plaque psoriasis as defined by BSA ≥10 PASI ≥12 IGA ≥3 4. Able to give written informed consent prior to performance of any study related procedures 5. Subject is able to attend Narrowband UVB phototherapy sessions three times a week and all other protocol specified visits 6. Subject must be in general good health (except for psoriasis) as judged by the Investigator, based on medical history, physical examination. Exclusion Criteria: 1. Fo…