Section to complete information about the inclusion and exclusion criteria for participant selection, including age and gender.
Inclusion criteria:
1) Patients giving their consent in writing to participate in the clinical trial. 2) Patients with breast carcinoma, phase IV upon diagnosis, or evolving metastatic disease, with cyto-histological confirmation of base disease and of metastasis by imaging and cyto-histological tests. 3) Patients aged 18 to 80. 4) Patients whose general condition is lower than or equal to 2 under WHO criteria. 5) Preserved kidney function with creatinine values within normal limits (35-132 mmol/L). 6) Patients with hemoglobin values over 10g/L, leucocytes over 4,000/mm3, platelets 100 x 109, and transaminase and alkaline phosphatase up to 2.5 times higher than normal reference values. 7) Female patients will be included in the study.
Exclusion criteria:
1) Pregnancy and breastfeeding. 2) Reproductive-age patients not using contraceptive methods. 3) Fever due to acute or serious infectious diseases or convalescence (not exceeding 37.5oC). 4) Patients with history of uncontrolled chronic diseases such as asthma, ischemic cardiopathy, diabetes mellitus, hepatitis, and high blood pressure. 5) Patients with allergic conditions or history of severe allergic reactions. 6) Patients who have previously been on any murine or humanized MAb therapy.