Thermal,Infrared and Solubility Study Of Repaglinide Solid Dispersion - Shams, Tahiatul;Bin Sayeed, Muhammad Shahdaat
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Solid dispersion techniques have been widely used as an effective method for enhancing the dissolution rate and bioavailability of poorly water soluble drugs. Current study was conducted to reveal the possibility of preparing repaglinide solid dispersions with improved aqueous solubility and dissolution rate, which will solve the difficulties in the development of pharmaceutical dosage forms of poorly water soluble drugs due to their limited water solubility, slow dissolution rate and low bioavailability. Repaglinide solid dispersion was prepared considering different variable factors: solvent…mehr

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Produktbeschreibung
Solid dispersion techniques have been widely used as an effective method for enhancing the dissolution rate and bioavailability of poorly water soluble drugs. Current study was conducted to reveal the possibility of preparing repaglinide solid dispersions with improved aqueous solubility and dissolution rate, which will solve the difficulties in the development of pharmaceutical dosage forms of poorly water soluble drugs due to their limited water solubility, slow dissolution rate and low bioavailability. Repaglinide solid dispersion was prepared considering different variable factors: solvent variation (methanol, ethanol), polymer variation (HPMC, HPC, poloxomer, povidone K 12, povidone K 30), diluent variation (avicel, microcellac, aerosil, cross carmellose sodium, povidone VA 64, kollidon CL, talc), Drug load variation, effect of PEG 6000 content and drug release profile for different formulations was studied. Infrared spectroscopy and Thermal analysis by differential scanningcalorimeter were studied. The results showed that the incorporation of different polymers transforms crystalline repaglinide into amorphous state, thus increasing its solubility and dissolution rate.
Autorenporträt
Tahiatul Shams and Muhammad Shahdaat Bin Sayeed have been Graduated from University of Dhaka, Bangladesh. Ms. Shams completed her Master of Pharmacy in Pharmaceutical Technology and Mr. Sayeed completed Master of Pharmacy in Clinical Pharmacy and Pharmacology. Both of them are engaged in educating Undergraduate students of Pharmacy in Bangladesh.