NEW YORK--(BUSINESS WIRE)--Lev Pharmaceuticals, Inc. (OTC Bulletin Board: LEVP.OB - News) today announced that it will conduct a conference call and audio web cast on Monday, May 5, 2008, at 8:30 a.m. Eastern Time (ET), in conjunction with the release of its financial results for the three months ended March 31, 2008. Lev will also discuss recent developments related to its lead product candidate, Cinryze™ (C1 inhibitor), for the treatment of hereditary angiodema (HAE).