Small interventional synovial biopsy precision medicine study CD117 high pts n=15 = better response to IL17i or IL23i inhibition vs. TNFi w/ -DAPSA -13.5, -12.8 vs. -7.5 respectively Higher BL levels of tissue inflammation in Responders vs. NR More robust study design needed https://t.co/7jNff6lUJ6