A cell permeable iron chelator, optionally in combination with an autophagy inhibiting agent, is used for treating a solid cancer tumour in a person. A preferred chelator is an alkyl substituted N-(1-pyridine-2-yl-methylidene)-N-(9H-1,3,4,9-tetraaza-fluoren-2-yl)-hydrazine. A preferred autophagy inhibiting agent is chloroquine. Also disclosed is a pharmaceutical composition comprising iron chelator, pharmaceutically acceptable carrier and, optionally, autophagy inhibiting agent; and a method of treating cancer by administering cancer combating-effective amount(s) of the iron chelator or the combination of iron chelator and autophagy inhibiting agent.Mevcut buluş solid tümörlerin, özellikle de yayılmış katı tümörlerin tedavisinde ve bu tür bir tedavi için bir araçta kullanım için formüle I(CB21) göre bir bileşik ile ilgilidir.