Methotrexate niosomes were formed by reverse phase evaporation technique using sorbitan monostearate (Span 60) surfactant. The pharmacokinetic parameters of methotrexate (MTX) after macrophage activation via muramyl dipeptide gelatin conjugate were studied and the results compared with those obtained after free MTX and MTX niosomes without macrophage activation. In mice MTX concentrations and tumour regression were higher after macrophage activation.

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http://dx.doi.org/10.3109/10611869308996070DOI Listing

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