科研之友
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摘要
Many compounds identified through various screening programs are poorly soluble in the water. These molecules are difficult to formulate using the conventional formulation approaches. An important tool in this regard is the use of cyclodextrins, especially chemically modified cyclodextrins. These starch derivatives interact via dynamic complex formation and other mechanisms in a way that camouflages undesirable physicochemical properties, including low aqueous solubility, poor dissolution rate and limited drug stability, which leads to additional benefits such as increased solubility, increased bioavaibility, protection of active molecules from physicochemical degradation and decreased side-e ects. This review aims to assess the use of cyclodextrins in newer drug delivery systems such as nanosponges, nanoparticles, nanospheres, nanoassemblies, drug-in cyclodextrin-in deformable liposomes and other drug delivery systems. These approaches are useful for resolving many of the current issues associated with developing and commercializing poorly water soluble drugs.
