Evaluation of Monolayer and Bilayer Buccal Films Containing Metoclopramide

The objective of this study was to develop buccal film formulations containing metoclopramide hydrochloride monohydrate (MCP) with and without a backing layer and to evaluate their release properties and physiochemical stability. The crystallization of MCP in the polymer matrix was monitored with im...

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Main Authors: Blaž Grilc, Odon Planinšek
Format: Article
Language:English
Published: MDPI AG 2024-03-01
Series:Pharmaceutics
Subjects:
Online Access:https://www.mdpi.com/1999-4923/16/3/354
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author Blaž Grilc
Odon Planinšek
author_facet Blaž Grilc
Odon Planinšek
author_sort Blaž Grilc
collection DOAJ
description The objective of this study was to develop buccal film formulations containing metoclopramide hydrochloride monohydrate (MCP) with and without a backing layer and to evaluate their release properties and physiochemical stability. The crystallization of MCP in the polymer matrix was monitored with image analysis techniques for rapid and scalable observation. The results showed that the addition of a protective layer and its thickness significantly affected the release rate and crystallization behavior of MCP in the formulations. The crystallization of MCP increased over time, and certain formulations showed higher susceptibility to crystallization. To understand the factors affecting the crystallization of MCP, the relationship between the viscosity and pH of the casting solution was examined, but no significant correlation was found. A significant correlation was observed between the plasticizer concentration and the physical state of MCP. Through a systematic Design of Experiment (DOE) approach, an optimal formulation was devised, successfully preventing crystallization of the active ingredient. However, enhancing the overall chemical stability of the formulated product remains a challenge.
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spelling doaj.art-7e818d43a8f34a3987f5aba569d4d91f2024-03-27T13:59:41ZengMDPI AGPharmaceutics1999-49232024-03-0116335410.3390/pharmaceutics16030354Evaluation of Monolayer and Bilayer Buccal Films Containing MetoclopramideBlaž Grilc0Odon Planinšek1Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000 Ljubljana, SloveniaDepartment of Pharmaceutical Technology, Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000 Ljubljana, SloveniaThe objective of this study was to develop buccal film formulations containing metoclopramide hydrochloride monohydrate (MCP) with and without a backing layer and to evaluate their release properties and physiochemical stability. The crystallization of MCP in the polymer matrix was monitored with image analysis techniques for rapid and scalable observation. The results showed that the addition of a protective layer and its thickness significantly affected the release rate and crystallization behavior of MCP in the formulations. The crystallization of MCP increased over time, and certain formulations showed higher susceptibility to crystallization. To understand the factors affecting the crystallization of MCP, the relationship between the viscosity and pH of the casting solution was examined, but no significant correlation was found. A significant correlation was observed between the plasticizer concentration and the physical state of MCP. Through a systematic Design of Experiment (DOE) approach, an optimal formulation was devised, successfully preventing crystallization of the active ingredient. However, enhancing the overall chemical stability of the formulated product remains a challenge.https://www.mdpi.com/1999-4923/16/3/354image analyticsRaman microscopycrystallizationbuccal filmsbilayer
spellingShingle Blaž Grilc
Odon Planinšek
Evaluation of Monolayer and Bilayer Buccal Films Containing Metoclopramide
Pharmaceutics
image analytics
Raman microscopy
crystallization
buccal films
bilayer
title Evaluation of Monolayer and Bilayer Buccal Films Containing Metoclopramide
title_full Evaluation of Monolayer and Bilayer Buccal Films Containing Metoclopramide
title_fullStr Evaluation of Monolayer and Bilayer Buccal Films Containing Metoclopramide
title_full_unstemmed Evaluation of Monolayer and Bilayer Buccal Films Containing Metoclopramide
title_short Evaluation of Monolayer and Bilayer Buccal Films Containing Metoclopramide
title_sort evaluation of monolayer and bilayer buccal films containing metoclopramide
topic image analytics
Raman microscopy
crystallization
buccal films
bilayer
url https://www.mdpi.com/1999-4923/16/3/354
work_keys_str_mv AT blazgrilc evaluationofmonolayerandbilayerbuccalfilmscontainingmetoclopramide
AT odonplaninsek evaluationofmonolayerandbilayerbuccalfilmscontainingmetoclopramide