The present invention relates to the following combinations of : component A : one or more 2,3-dihydroimidazo[1,2-c]quinazoline compounds of general formula (A1) or (A2), or a physiologically acceptable salt, solvate, hydrate or stereoisomer thereof; component B : one or more N-(2-arylamino) aryl sulfonamide compounds of general formula (B), or Lapatinib, or Paclitaxel, or a physiologically acceptable salt, solvate, hydrate or stereoisomer thereof; and, optionally, component C : one or more further pharmaceutical agents; in which optionally some or all of the components are in the form of a pharmaceutical formulation which is ready for use to be administered simultaneously, concurrently, separately or sequentially (dependently of one another by the oral, intravenous, topical, local installations, intraperitoneal or nasal route); the use of such combinations for the preparation of a medicament for the treatment or prophylaxis of a cancer; and a kit comprising such a combination.