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Method and compositions for the direct concentrated delivery of passive immunity

  • US 5,505,945 A
  • Filed: 08/25/1994
  • Issued: 04/09/1996
  • Est. Priority Date: 01/12/1993
  • Status: Expired due to Term
First Claim
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1. A method for preventing infections in human and animal hosts that are derived from wounds, burns, or biomaterials, comprising the steps of:

  • preparing a surgical or trauma site of a wound, burn or biomaterial implant site in a human or animal host where damaged tissue exists, wherein said preparing is selected from the group consisting of cleaning, decontaminating, debriding and surgery;

    directly applying an amount of an immunoglobulin composition containing a combination of IgG, IgM and IgA, wherein said composition contains elevated levels of IgM between 200-300 mg/dl and IgA between 400-500 mg/dl when compared with normal serum levels, directly on either tissue surfaces at said surgical or trauma site or on a biomaterial to be applied at said biomaterial implant site to produce an immunocompetent inflammatory zone sufficient to prevent adhesion of microorganisms to said tissue surfaces, said biomaterial implant site or a biofilm formation and to pre-opsonize said microorganisms for rapid intracellular killing by host defense mechanisms, said step of directly applying said composition occurring prior to microbial attachment to said tissue surfaces, biomaterial implant site or biofilm formation, said step of directly applying being performed by a process selected from the group consisting of applying said immunoglobulin composition to said tissue surfaces or said biomaterial implant site at a time of surgery or trauma or within a period of six hours after said surgery or trauma, or using a biomaterial pre-coated with said immunoglobulin composition; and

    preventing or reducing infections in said human or animal host at said surgical or trauma site with said immunoglobulin composition or biomaterial pre-coated with said immunoglobulin composition.

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