A combination of a 4-anilino-3-cyanoquinoline compound (e.g. HKI-272, SKI-606, EKB-569) and a capecitabine compound in the treatment of a neoplasm is provided. Regimens, kits, and methods for treatment of neoplasm, including breast cancer including metastatic breast cancer, and lung cancer, using this combination, optionally in combination with other anti-neoplastic agents, or immune modulators are also described.