| Exclusion Criteria: | 1) Pregnant or lactating women. Women of childbearing potential (WCBP) must have a negative urine or blood test for pregnancy before first treatment.
2) Known hypersensitivity to previous monoclonal antibody therapy or maytansinoids.
3) Active and uncontrolled infection.
4) Known history of hepatitis B or C , HIV, or history of alcoholic liver disease.
5) Patients with any serious medical or psychiatric disorder that would interfere with patient safety or informed consent.
6) Patients with peripheral neuropathy grade 2 or greater.
7) Patients with known leptomeningeal disease or progressive brain metastasis. Routine screening with CNS imaging studies (CT or MRI) is required only if clinically indicated.
8) Patients with concomitant malignancies or previous malignancies with less than a 2 year disease free interval at the time of dosing. Patients with adequately treated basal or squamous cell carcinoma of the skin, carcinoma in situ of the cervix or Stage A low-grade prostate cancer may enroll irrespective of the time of diagnosis.
9) Patients who are receiving concomitant chemotherapy, immunotherapy, radiotherapy, or investigational therapy. Radiotherapy for palliation of related bone metastases is permitted upon the agreement of the investigator and the ImmunoGen Medical Monitor and as long as radiation does not involve target lesions that are followed for drug treatment response evaluation.
10) Patients with any severe concurrent disease or condition, which in the judgment of the Investigator, would make the patient inappropriate for study participation. The disease or condition includes, but not limited to, one or more of the following: bleeding diathesis, uncontrolled chronic kidney or liver disease, uncontrolled diabetes, history of cardiac disease, myocardial infarction within the past 6 months, congestive heart failure, unstable angina pectoris, cardiac arrhythmia, and uncontrolled hypertension.
11) Patients who must use contact lenses and cannot discontinue use of their contact lenses during the course of the clinical study. Patients must discontinue use of contact lenses prior to receiving study drug. |