Keywords: عامل زنده ماندن; CIS; cisplatin; DXZ; doxazosin; DXZ-NC; doxazosin-loaded nanocapsules; MCT; medium chain triglycerides; PE; plate efficiency; SF; survival factor; UNC; unloaded nanocapsules; Antitumor; Apoptosis; Cell death; Clonogenic; MCF7 cells; Nanocapsules;