Gastroretentive Microsponge as a Promising Tool for Prolonging the Release of Mitiglinide Calcium in Type-2 Diabetes Mellitus: Optimization and Pharmacokinetics Study

Diabetes mellitus is one of the leading causes of death due to the persistent hyperglycemia that leads to potential complications. Lack of patients’ adherence to their prescribed medication regimens, due to the requirement of frequent dosing, leads to failure of 40–50% of patients to manage their di...

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Veröffentlicht in:AAPS PharmSciTech 2018-08, Vol.19 (6), p.2519-2532
Hauptverfasser: Mahmoud, Dina Bahaa El Din, Shukr, Marwa Hassan, ElMeshad, Aliaa Nabil
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Shukr, Marwa Hassan
ElMeshad, Aliaa Nabil
description Diabetes mellitus is one of the leading causes of death due to the persistent hyperglycemia that leads to potential complications. Lack of patients’ adherence to their prescribed medication regimens, due to the requirement of frequent dosing, leads to failure of 40–50% of patients to manage their disease. Thus, microsponges of the novel short half-life mitiglinide calcium (MTG) were formulated using Quasi-emulsion solvent diffusion method, employing Eudragit RS100, ethyl cellulose, and polyvinyl alcohol, then characterized in terms of production yield, entrapment efficiency, particle size, in vitro buoyancy, in vitro drug release, and in vivo pharmacokinetics in rabbits. Optimization was done using response surface methodology; the optimized formulation was investigated by FTIR, DSC, and SEM. Results revealed that the optimized MTG microsponge was successfully formulated with high production yield (61.61% ± 0.6), entrapment efficiency (77.7% ±1.37), and particle size of 192.76 μm and it remained buoyant over simulated gastric fluid for 24 h with high percentage of in vitro buoyancy (91.01% ± 2.5). Moreover, it sustained the in vitro drug release with cumulative % release of 83.74 ± 1.5 after 24 h. This microsponge was highly porous in nature with interconnected pores where MTG was entrapped with good compatibility as confirmed by SEM, DSC, and FTIR analysis; Pharmacokinetic studies showed improvement in C max and AUC 0-∞ (1.92- and 20.68-fold, respectively) with marked prolongation in MRT and t 1/2 (7.22- and 7.97-fold, respectively) than the marketed tablet. Thus, it is a promising approach to improve diabetic patients’ compliance by eliminating the necessity of frequent dosing thus attaining better diabetes control.
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subjects Biochemistry
Biomedical and Life Sciences
Biomedicine
Biotechnology
Pharmacology/Toxicology
Pharmacy
Research Article
title Gastroretentive Microsponge as a Promising Tool for Prolonging the Release of Mitiglinide Calcium in Type-2 Diabetes Mellitus: Optimization and Pharmacokinetics Study
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