In BIODOPT study (RA, PsA, axSpA), disease activity-guided tapering of biologics (incl. biosimilars) maintained QALY (Δ0.008, NS) while lowering biologic costs (Δ€–1,979 [95%CI –3,798;–161]) & total hospital costs (Δ€–1,936 [95%CI –3,753;–119]) over 18mo. Supports https://t.co/CJUpfU2oRA