ImmunoGen Presents SAR566658 Clinical Findings at AACR-NCI-EORTC Conference

ImmunoGen

today announced the presentation of interim data from the ongoing Phase I trial of Sanofi's SAR566658 at the AACR-NCI-EORTC International Conference on Molecular Targets and Cancer Therapeutics meeting (abstract #A73) being held in Boston. SAR566658 is an ADC targeted to CA6, which is found on many cases of ovarian, breast, and other epithelial cancers. The data reported support that SAR566658 is generally well tolerated and can induce objective responses and sustained stable disease in heavily pretreated patients with CA6-positive cancers. SAR566658 was created by ImmunoGen and licensed preclinically to Sanofi as part of a broader collaboration between the companies. It comprises the Company's huDS6 CA6-targeting antibody with one of ImmunoGen's