Abstract
The modern drug discovery process has yielded a great number of novel therapeutic agents for several ailments including cancer. However, inadequate delivery of active compounds to the site of action (cancer cells) may prevent effective treatment of the patient, making targeted drug delivery the foremost hurdle and opportunity in current pharmaceutical research. Targeted drug delivery using nanoparticulate systems is achieved by efficiently transporting drugs to the site of action. Because of their ability to selectively target cancer cells, nanostructures in medicine have the potential to revolutionize traditional cancer chemotherapy. These nanostructures are complex specially designed to achieve controlled, sustained, enhanced, and targeted drug delivery across a variety of physiological barriers. Cancer chemotherapeutic agents are incorporated into the complex internal domains of these nanostructures for achieving the desired release after administration. In this review, an attempt has been made to compile all the information related to nanostructures used in the field of medicine. It will cover the definition, types of various nanostructures, their formation, functions, and limitations.
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