FOSTER CITY, Calif.--(BUSINESS WIRE)--May 9, 2006--OXIS International, Inc. (OTCBB:OXIS - News; Nouveau Marche:OXIS) (FWB:OXI) today reported results for the first quarter 2006. OXIS International is a biopharmaceutical company focused on commercializing research assays, nutraceutical and therapeutic products related to oxidative stress and, through its majority interest in BioCheck, a leading provider of high quality immunoassay clinical kits and contract services.