research PSS20 MEDIATION MODELING AND MEASUREMENT CHARACTERISTICS OF THE ITCH SEVERITY SCORE FROM A PHASE 2B TRIAL OF ORAL CP-690-550 IN PATIENTS WITH MODERATE TO-SEVERE PLAQUE PSORIASIS
This study found that the oral Janus kinase inhibitor CP-690,550 has a direct effect on reducing pruritus in patients with psoriasis, independent of clinician-assessed improvements in psoriasis severity.



