Assertion: monoclonal antibody | /r/HasProperty | directed against the cdw52 antigen
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text: In patients with renal transplants or rheumatoid arthritis, alemtuzumab, a humanized monoclonal antibody directed against the CDw52 antigen found on lymphocytes, produced only mild to moderate first-dose symptoms, such as fever and rigors, nausea and vomiting, bone pain, dyspnea, and headache .