• Artificial organs · Sep 2004

    Review

    Artificial oxygen carriers as red blood cell substitutes: a selected review and current status.

    • Hae Won Kim and A Gerson Greenburg.
    • Department of Surgery, Brown University Medical School, The Miriam Hospital, Providence, RI 02906, USA. Hae_Kim@Brown.edu
    • Artif Organs. 2004 Sep 1; 28 (9): 813-28.

    AbstractTwo distinct approaches are being explored in red blood cell substitute (RCS) development: hemoglobin-based oxygen carriers (HBOCs) and perfluorocarbon-based oxygen carriers (PFBOCs). HBOCs are based on intra- and/or intermolecularly "engineered" human or animal hemoglobins (Hbs), optimized for O2 delivery and longer intravascular circulation. Some are currently being evaluated in Phase II/III clinical studies. PFBOCs are aqueous emulsions of perfluorocarbon derivatives that dissolve relatively large amounts of O2. A PFBOC based on a 60% (wt/vol) emulsion of perfluorooctyl bromide has been evaluated in Phase II/III clinical trials. Although current PFBOC products generally require patients to breathe O2 enriched air, they render certain advantages since they are totally synthetic. This article provides a short review of the basic principles, approaches, and current status of RCS development. Results of preclinical and clinical studies including recent Phase II/III clinical studies are discussed.

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