Vehicle cream (same formulation of cream as the test product but without active substance)

INCB 18424-319: A phase 3, double-blind, randomised, vehicle-controlled, efficacy and safety study of ruxolitinib cream in participants with Purigo Nodularis. Topical ruxolitinib evaluation in Prurigo Nodularis (TRuE-PN1)

INCB 18424-320: A phase 3, double-blind, randomised, vehicle-controlled, efficacy and safety study of ruxolitinib cream in participants with Prurigo Nodularis. Topical ruxolitinib evaluation in Prurigo Nodularis (TRuE-PN2)