Protalex Inc. announced that results from Cohorts 1-4 of its U.S.-based multicenter Phase 1(b) randomized, multiple-dose, dose-escalation study of PRTX-100 in combination with methotrexate or leflunomide in adults with active rheumatoid arthritis (PRTX-100-104 Study) will be highlighted in a poster presentation at EULAR's Annual European Congress of Rheumatology to be held in Paris, June 11-14, 2014. PRTX-100 is an investigational drug incorporating a highly purified form of Staphylococcal Protein A.