Hyperimmune Products in the Prevention and Therapy of Infectious Disease
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- Deresinski, S.C. BioDrugs (2000) 14: 147. doi:10.2165/00063030-200014030-00002
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This paper reviews a meeting at which basic pathophysiology of infections, mechanisms of action of hyperimmune products and pharmacokinetic and pharmacodynamic parameters, as well as currently available hyperimmunes and their potential new targets and uses, were discussed. A hyperimmune product was defined as either a monoclonal antibody or a polyclonal preparation enriched with antibody directed against one or more particular targets. A number of issues were emphasised, including: resistant bacterial pathogens, such as Staphylococcus aureus and Streptococcus pyogenes; the role of hyperimmune intravenous globulins in the prevention of sepsis in low birthweight infants; hepatitis B virus infection associated with liver transplantation; combination therapy; the potential role of hyperimmunes in the prevention and treatment of hepatitis C virus; and the use of immunoglobulins for the prophylaxis of Epstein-Barr virus-related lympho-proliferative disease. Routes of administration were also discussed. It was concluded that the development of hyperimmunes faces numerous obstacles. It was agreed that the use of hyperimmunes in clinical trials must be standardised; clinical trials must be large enough to have sufficient power to demonstrate efficacy with clear-cut end-points, and means need to be developed, in conjunction with regulatory agencies, for the feasible evaluation of combination products. However, progress in all these aspects will provide a wide range of hyperimmunes for future use.