Aim of the study was to develop solid lipid nanoparticles (SLN) of triamcinolone acetonide (TA) and to study the effect of various process variables in order to optimize the formulation for effective delivery. Drug loaded SLNs were successfully prepared and characterized by TEM, XRD and DSC study. Process variables like surfactant concentration, drug concentration, lipid concentration etc. showed significant effect on the particle size and entrapment efficiency. SLNs exhibited prolonged drug release following Higuchi release kinetics (R(2) = 0.9909). In vitro skin distribution study demonstrated systemic escape of drug from TA loaded SLNs which might eliminate side effects associated with systemic exposure.
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| http://dx.doi.org/10.3109/21691401.2014.955105 | DOI Listing |
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