Abstract
Breast cancer (BC) is the most frequently diagnosed type of cancer in women. Nevertheless, cases in the male population have also increased in recent times. Nonselective delivery of anticancer drugs by conventional drug delivery systems exhibits substantial side-effects including a compromised immune system, neutropenia, and baldness. Moreover, drug bioavailability is drastically reduced due to the high first-pass effect and para-glycoprotein (P-gp) mediated efflux as the majority of drugs are substrates to CYP3A4 and P-gp pumps. Recently, with the enhanced understanding of the tumor biology, metastasis, and site-specific delivery of anticancer drugs by nanoparticulate systems like liposomes, solid lipid nanoparticles, nanostructured lipid carriers, self-emulsifying drug delivery systems, lipoproteins, lipid nanocapsules, polymeric micelles, mixed micelles, layerosomes, niosomes, carbon nanotubes, and dendrimers have exhibited reduced side effects, enhanced bioavailability for anticancer drugs, and an overall enhancement in the cancer therapeutics. Hence, this chapter will provide an in-depth understanding of the nanoparticle systems explored for BC management with their preclinical and clinical status.
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