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Clinical Microbiology Reviews, Jan 1995, 22-33, Vol 8, No. 1
Copyright © 1995 by the American Society for Microbiology. All rights reserved.

Hyperimmune globulins in prevention and treatment of respiratory syncytial virus infections

VG Hemming, GA Prince, JR Groothuis and GR Siber
Department of Pediatrics, Uniformed Services University of the Health Sciences, Bethesda, Maryland 20814.

Respiratory syncytial virus (RSV) is an important community and nosocomial respiratory pathogen for infants and young children. RSV causes especially severe disease in the prematurely born or those with chronic cardiopulmonary diseases. Elderly persons and those with T-cell deficiencies, such as bone marrow transplant recipients, are also at high risk for serious lower respiratory tract infections. To date, prevention of RSV infections by vaccination has proven elusive and no preventive drugs exist. Studies in animals and humans have shown that the lower respiratory tract can be protected from RSV infection by sufficient circulating RSV neutralizing antibody levels. Recently, an RSV hyperimmune immune globulin (RSVIG) was developed and tested for the prevention of RSV infections or reduction of disease severity. Passive immunization of high-risk children with RSVIG during the respiratory disease season effected significant reductions in RSV infections, hospitalizations, days of hospitalization, intensive care unit admissions, days in the intensive care unit, and ribavirin use. Studies in cotton rats and owl monkeys show that RSV infections can also be treated with inhalation of immune globulin at doses substantially smaller than required for parenteral treatment. Therapeutic trials of parenteral RSVIG have been completed and are pending analysis. The use of polyclonal, hyperimmune globulins and perhaps human monoclonal antibodies provides an additional approach to the prevention and perhaps the treatment of certain viral lower respiratory tract infections such as those caused by RSV.


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Antimicrob. Agents Chemother. Clin. Vaccine Immunol.
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Copyright © 1995 by the American Society for Microbiology. All rights reserved.