CAMBRIDGE, Mass.--(BUSINESS WIRE)--Genzyme Corporation (Nasdaq: GENZ) announced today that a Phase 1/2 trial provided early clinical data suggesting that Mozobil® (plerixafor injection) in combination with chemotherapy may offer a therapeutic impact on leukemic cells protected in bone marrow. The investigational trial, partially supported by Genzyme, was the subject of an oral presentation at the 2009 annual meeting of the American Society of Hematology in New Orleans, LA. Genzyme has initiated two clinical trials to further explore this potential new strategy to attack blood cancers.