Pharmacodynamic effects Dose-dependent reductions were observed with abatacept in serum levels of soluble interleukin-2 receptor, a marker of T lymphocyte activation; serum interleukin-6, a product of activated synovial macrophages and fibroblast-like synoviocytes in rheumatoid arthritis; rheumatoid factor, an autoantibody produced by plasma cells; and C-reactive protein, an acute phase reactant of inflammation.
Farmakodinamični učinki Opazili so od odmerka odvisno zmanjšanje topnega receptorja za interlevkin- 2 v serumu, označevalca aktivacije limfocitov T; serumskega interlevkina- 6, produkta aktiviranih sinovijskih makrofagov in fibroblastom podobnih sinoviocitov pri revmatoidnem artritisu; revmatoidnega faktorja, avtoprotiteles, ki jih proizvajajo plazmatke in C- reaktivnega proteina, reaktanta akutne faze vnetja.