GM-CSF inc'd in active AS pts, particularly in younger ages, and strongly correlates with disease activity, but not with disease duration. TNFi tx does not affect GM-SCF levels, despite improving disease activity. Abs 1156 #ACR22 @RheumNow
Serum Granulocyte-Macrophage Colony Stimulating Factor (GM-CSF) Is Increased in Patients with Active Ankylosing Spondylitis (AS) and Persists Despite Anti-TNF Treatment - ACR Meeting Abstracts
