Paclitaxel, a clinical chemotherapy drug commonly used in the past few years, is greatly limited by its low therapeutic index. Starch and its derivatives have gained wide interest from researchers owing to their unique hydrophilic and hydrophobic properties resulting from their various modifications, which exert the effect-enhancing and toxicity-reducing activity to paclitaxel in vivo and in vitro. This review summarizes the research progress toward different kinds of starch-based carriers, whether oral or injectable. In addition, we discuss the complex properties of starch derivatives toward physically complexed or chemically conjugated paclitaxel. The corresponding complex configurations are suggested. Starch-based carriers can act as permeability enhancers because they may interact with the unstirred water layer that separates hydrophobic drugs from biological membranes, even altering the barrier properties of the membrane. The information presented in this review may be used as a reference for future hydrophobic drug carrier studies.
Keywords: CH–π interaction; Hydrogen bonding; In-vivo fate; Porous materials; Starch-based prodrugs.
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