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Drug Delivery Letters

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ISSN (Print): 2210-3031
ISSN (Online): 2210-304X

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Research Article

Preparation and Characterization of Multicomponent Particles for Controlled and Tunable Release of Citicoline

Author(s): Sayani Bhattacharyya* and Anisha Verma

Volume 12, Issue 3, 2022

Published on: 27 July, 2022

Page: [215 - 226] Pages: 12

DOI: 10.2174/2210303112666220620093106

Price: $65

Abstract

Background: Memory disorders require a steady-state balance of choline and cytidine. Citicoline is prescribed as an exogenous source of choline and cytidine.

Objective: The present study proposes a mucoadhesive multiparticulate sustained delivery of citicoline as a supportive control for memory loss.

Methods: The formulation of citicoline sodium microparticles was done by ionotropic gelation method using alginate and hydroxypropyl methylcellulose (HPMC) in three different ratios. The three formulations were preliminary evaluated for the in vitro drug release study. Depending on their release pattern, a simplex lattice mixture design of 21 trial runs, with a set of possible combinations of each component of the three formulations, was employed to get an optimized ratio that could attend a predetermined release of drug at 1st, 4th, 6th, and 8th h. The optimized product was characterized for physicochemical evaluation, thermal analysis, in vitro drug release, surface morphology, and stability study.

Results: Optimization of the design yielded a ratio that could prolong the release as predicted by design. The release mechanism followed non-Fickian diffusion. Differential thermal analysis exhibited high drug entrapment in the microparticles. Surface morphology studies revealed that drug release took place by the formation of channels. Stability studies indicated there was no change in the properties even after six months and the moisture retention was meagre.

Conclusion: The employed simplex lattice design could be successfully used to make microparticles of predetermined release characteristics with a steady-state release of the drug and can be a promising approach to provide an affordable therapy of citicoline to improve its effectivity.

Keywords: Citicoline sodium, microparticles, mucoadhesive microparticles, sustained release, choline, Alz-heimer's disease.

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