BOUDRY, Switzerland--(BUSINESS WIRE)--Celgene Corporation (NASDAQ: CELG) announced that clinical data from two ongoing REVLIMID studies in Chronic Lymphocytic Leukemia (CLL) were reported during the 12th International Workshop on Chronic Lymphocytic Leukemia in London on Saturday, September 15, 2007. Chronic Lymphocytic Leukemia is a hematological cancer that affects approximately 75,000-100,000 people in the U.S. About 10,000 new cases of CLL are diagnosed each year and an estimated 5,000 Americans are expected to die of CLL this year. For the EU-5, the prevalence of CLL is estimated to be about 70,000 people with an estimated 11,000 new cases each year.