Without limitation, this disclosure relates to methods of treating cell proliferation disorders, neoplastic disorders, cancers, tumors and the like using anti-IGF antibodies, or antigen binding fragments thereof. Disclosed herein are methods of treating cancer in a patient, for example a human patient, comprising administering to the patient at least two doses of an antibody which binds both IGF-I and/or IGF-II. The doses are separated by about a week, or by about three weeks, and each dose comprises an amount of antibody greater than about 0.5 mg kg of patient body mass and less than about 50 mg per kg of patient body mass.