What labs do you order to monitor patients on JAK1 inhibitiors (abrocitinib or upadacitinib)?  

TB, HepB, and HepC at baseline, never repeated. CBC, CMP, and Lipids at baseline and 3 months, then once a year. CMP is probably unnecessary - no hepatic or renal toxicity - but I still do it. WBC and Hemoglobin often go down a little bit, but always happens in the first 3 months. Have had 2 pati...