Biopsy-guided treatment in PsA: match the drug to the tissue pathotype with 68% in LDA/remission vs 48% standard of care at 6 months. In myeloid CD117+ patients, mean DAPSA reduction at 6 months: IL-17i: −13.5, IL-23i: −12.8, TNFi: −7.5. Synovial biopsy with myeloid CD117+