Nanotechnology has revolutionized cancer therapy by enabling precise drug delivery systems that enhance therapeutic efficacy while minimizing side effects. This review explores recent advancements in nano-drug delivery systems targeting breast, prostate, and brain cancers. It delves into various nanocarrier platforms, including liposomal, polymeric, and magnetic systems, highlighting their design, functionality, and clinical applications.

The discussion encompasses the challenges associated with these nanocarriers, such as biocompatibility, targeted delivery, and overcoming biological barriers. By examining current research and clinical trials, this paper provides a comprehensive overview of the transformative potential of nanotechnology in cancer treatment. Future perspectives on personalized nanomedicine and multifunctional nanoparticles are also presented.