Main inclusion criteria:
- Clinical diagnosis of PN for at least 6 months.
- Have at least 20 nodules of approximately 0.5 to 2 cm. The nodules must be pruritic and present on at least 2 different anatomical locations (not be localized), involve the extremities, with extensor extremity involvement greater than the flexor extremity involvement. Nodules on the head (face and scalp) are not counted as an anatomical location for eligibility criteria. Each arm, each leg, and trunk are considered different anatomical locations. IGA score of ≥3.
- Subject has moderate to severe pruritus, defined as WI-NRS ≥7.