Study of Efficacy and Safety of Investigational Treatment in Patients With Nail Psoriasis

Inclusion Criteria: * Diagnosis of nail psoriasis for at least 3 months preceding study entry * Diagnosis or history of plaque psoriasis or psoriatic arthritis * A female participant of childbearing potential must use appropriate contraceptive measures during the study period * A female participant of childbearing potential must have a negative urine pregnancy test result at screening * Written informed consent must be obtained before any study procedure is performed Exclusion Criteria: * Pregnant or breastfeeding * Diagnosis of other active skin or nail diseases or skin or nail infections (bacterial, fungal, or viral) that may interfere with evaluation of skin or fingernail psoriasis * History or evidence of a clinically significant disorder, condition, or disease that would pose a risk to patient safety or interfere with the study evaluation, procedures, or completion in the judgment of the investigator