Antibody removal via extracorporeal filtration

The procedure known as "antibody removal via extracorporeal filtration" encompasses several blood purification technologies, including plasmapheresis and immunoadsorption, that mechanically remove pathogenic antibodies from the plasma by filtering blood outside the body through specialized membranes, columns, or cartridges. Indicated primarily for conditions where circulating autoantibodies or immune complexes mediate disease, such as autoimmune disorders or antibody-mediated rejection, these procedures do not interact with a discrete molecular target but instead act broadly to reduce the antibody burden. Mechanisms involve physical separation, adsorption onto immobilized ligands, or exchange with replacement fluids. Safety challenges include immunodeficiency, hemodynamic changes, risk of allergy or bleeding, and technical complications inherent to extracorporeal circulation. The efficacy of these procedures depends on selective antibody removal, clinical context, and integration with adjunctive immunosuppressive therapies [1][2][3][4][5].

Other names

Therapeutic plasma exchangePlasmapheresisImmunoadsorptionExtracorporeal antibody removal

Physical removal of antibodies from plasma via filtration, adsorption, or exchange. Depletion of immunoglobulins and immune complexes to attenuate pathological immune responses.