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Research Article

IJPRT. 2023; 13(2): 140-144

Design And Development Of Nanotechnology Based Oral Formulations Of Tolbutamide Using Biodegradable Polymer



The present study concerns the development, characterization, and optimization of nanoparticulate oral formulations of Tolbutamide using poly (ԑ-caprolactone) which is a biodegradable polymer. Emulsion Solvent Evaporation technique was used for preparation of drug-loaded polymeric nanoparticles. This research was carried out to improve the therapeutic efficacy of tolbutamide by increasing its bioavailability through size reduction and to achieve the sustained release of drugs by preparing polymeric nanoparticles. The results of FTIR and DSC analysis indicated that there was no significant interaction between drug and excipients. The prepared drug-loaded Poly (ԑ-caprolactone) nanoparticles were characterized for their surface characteristics via morphology, particle size, stability by zeta potential and drug loading efficiency. The prepared nanoparticles were found to in nanosized range with spherical morphology and stable. The free drug particles can be seen on the polymeric surface which attributes to burst effect and immediate onset of action. The sustained release of drugs through polymeric matrix is evident from drug release studies. This investigation demonstrated the effective application of enhanced bioavailability through the sustained drug release profile of tolbutamide loaded nano-carrier system.

Key words: Tolbutamide, Nanotechnology, Formulations, Biodegradable polymer

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