Virdante Pharmaceuticals (Cambridge, MA) a development-stage biopharmaceutical company focused on increasing potency of plasma-derived intravenous immune globulin for the treatment of inflammation and autoimmune disease, closed a $30M Series A financing. Participants include Thomas, McNerney & Partners, Osage Partners, Clarus Ventures, Venrock, MedImmune Ventures and Biogen Idec New Ventures.