antineoplastic therapy affects which cells
inhibiting the maturation and proliferation of malignant cells. antineoplastic agent. antineoplastic therapy a regimen that includes chemotherapy, aimed at destruction of malignant cells using a variety of agents that directly affect cellular growth and development.Chemotherapy is but one of a variety of methods available in the treatment of cancer.. an agent having such properties. antineoplastic therapy. a regimen of treatment aimed at destruction of malignant cells and utilizing a variety of chemical agents that directly affect cellular growth and development.