The primary aim of the present study was to develop lanolin-based organogel with enhanced delivery potential and reduced skin irritation for the treatment of hyperkeratotic lesions and scaling. The drug was encapsulated in the lipidic bilayers of organogel. The values of particle size, polydispersity index (PDI), and zeta potential of the developed carrier system was found to be 257.5 nm, 0.272, and -24.9 mV, respectively. The system was pseudoplastic in nature with the yield value of 2.3078 Pa. The skin permeation studies exhibited superiority of the prepared lanolin-based organogel formulation over the conventional gel formulation (CGF). Further, the dermatokinetic studies also confirmed better permeation and enhanced skin bioavailability of SA to epidermis as well as dermis vis-à-vis the CGF. In conclusion, the developed organogel system not only improved the delivery profile of SA but also reduced the skin irritant potential. The current findings can provide a suitable alternative for the development of an effective topical formulation of SA for the treatment of hyperkeratotic lesions.
Clobetasol 17-propionate is used most potent topical glucocorticoid clinical effective in treatment of topical dermatitis, vitiligo and psoriasis. A rapid, simple, selective and precise UV-Visible Spectrophotometric method has been developed for the determination of Clobetasol 17-Propionate (CP) in bulk forms and dosage formulations. The spectrophotometric detection was carried out at an absorption maximum of 239 nm using ethanol as solvent. The method was validated for specificity, linearity, accuracy, precision, and robustness. The detector response for the CP was linear over the selected concentration range 2 to 40 μg/ml with a correlation coefficient of 0.9999. The accuracy was between 99.1 and 101.4 %. The precision of 4 µg/ml sample preparation three times in a day (intraday) was 0.1325%. The Limit of Detection (LOD) and Limit of Quantification (LOQ) are 0.84 and 2.55 μg/ml, respectively. The recovery of CP was about 101.84%. The results demonstrated that the excipients in the commercial formulation did not interfere with the method and can be conveniently employed for daily routine quality control analysis of CP in bulk drug, marketed formulations.
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