INTRAVENOUS IMMUNOGLOBULIN INFUSIONS FOR THE PROPHYLAXIS OF SECONDARY CYTOMEGALOVIRUS INFECTION

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Abstract
Previous studies have shown a benefit of intravenous immunoglobulin infusions for the prophylaxis of primary CMV infections in renal transplant recipients. This study was undertaken in order to see if high-risk renal transplant patients at risk for secondary CMV infection would benefit from prophylactic intravenous immunoglobulin infusions. A randomized prospective study of renal transplant recipients who were considered at high risk for secondary CMV infection was performed. Thirty-four patients were studied, 16 receiving the intravenous immunoglobulin infusions and 18 being untreated controls. Unselected lots of Sandoglobulin (Sandoz) were used for the treatment group (500 mg/kg .times. 3 doses, followed by 250 mg/kg .times. 2 doses at 2-week intervals). The number of days febrile and days hospitalized secondary to CMV illness, and the number of complications secondary to CMV illness, were significantly reduced in the patients who were prophylactically treated with intravenous immunoglobulin infusions. None of the patients died from CMV infection in either group. There were no significant complications related to the intravenous immunoglobulin infusions. This study suggests that prophylactic immunoglobulin infusions will reduce the severity of CMV infection in the patient who is at risk for secondary or reactivation infection as well as the patient at risk for primary infection. This therapy should be considered for renal transplant recipients who are at high risk for developing CMV infection, both primary and secondary.