Journal
POLYMER BULLETIN
Volume -, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1007/s00289-023-04967-3
Keywords
Hydrogel; Chondroitin sulfate; Polyvinylpyrrolidone; Captopril; Mucoadhesive
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In this research, a mucoadhesive hydrogel loaded with captopril was developed using chondroitin sulfate (CHS), polyvinylpyrrolidone (PVP), and 2-acrylamide-2-methylpropane sulphonic acid (AMPS). The hydrogel showed efficient sustained release of the drug and demonstrated enhanced mucoadhesive characteristics. The study also analyzed the influence of different formulation ingredients and quantities on the swelling behavior and mucoadhesion capacity of the hydrogel. The findings suggest that this CHS/PVP-co-poly (AMPS)-based hydrogel system is a viable option for sustained delivery of captopril.
In this research, we demonstrated a chondroitin sulfate (CHS), polyvinylpyrrolidone (PVP), and 2-acrylamide-2-methylpropane sulphonic acid (AMPS)-based captopril-loaded mucoadhesive hydrogel that efficiently facilitated the sustained release of drug molecules and is developed by radical polymerization technique. The designed hydrogel network is initially analyzed for the influence of different formulation ingredients as well as their quantities on swelling behavior and mucoadhesion capacity. The physical interaction along with biocompatibility of CHS/PVP-co-poly (AMPS) hydrogels is illustrated by utilizing FT-IR and histopathological analysis. Thermal stability, conversion of crystalline nature ingredient to amorphous nature hydrogel matrix, prolonged and sustained in vitro released behavior at 1.2 pH, porous surface morphology, and enhanced mucoadhesive characteristics are ensured by thermal analysis, XRD, drug in vitro released profile, SEM, and ex-vivo mucoadhesive analysis. Interestingly, the findings suggest that CHS/PVP-co-poly (AMPS)-based hydrogel systems are viable candidates for sustained delivery of captopril by enhancing its adherence with the gastric mucus layer and decreasing its dose frequency.
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