Alemtuzumab: a novel monoclonal antibody

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Abstract
Antibody-based treatment is a novel, effective management strategy for a variety of diseases. Alemtuzumab (CAMPATH®) is an example of a monoclonal antibody (mAb) that was initially developed in the laboratory and has completed its journey by being approved for therapeutic use in humans. The main clinical applications of alemtuzumab include treatment of lymphoid malignancies, particularly chronic lymphocytic leukaemia (CLL) and T-cell prolymphocytic leukaemia (T-PLL) and prevention of graft versus host disease (GVHD) and graft rejection in bone marrow and solid organ transplant recipients. Alemtuzumab administration is accompanied by a characteristic first-dose reaction due to cytokine release that consists of fever, rigors, rash and, at times, dyspnea and hypotension. The most significant toxic effect is profound, prolonged lymphopenia and the subsequent increased risk of opportunistic infections; antibiotic prophylaxis is recommended for patients undergoing alemtuzumab treatment. Alemtuzumab has demonstr...