Abstract
The transbuccal delivery of drugs could assist several categories of chronic, especially elderly, patients in adhering to a correct dosage regimen. In particular, patients suffering from dementia have several difficulties in following the prescribed dosage, in addition to problems associated with swallowing tablets. Galantamine is currently used for treating patients with mild to moderate Alzheimers-type dementia. The transbuccal delivery of this drug could be an interesting non- invasive and safe administration route. Several studies have been performed in vitro and ex vivo within the framework of a European Commission funded Project (IntelliDrug-FP6), aimed at developing a device which would be fitted for controlled delivery of drugs by an electronic and software-driven system. The primary objective of this study was to evaluate the efficacy of a prototype of the IntelliDrug device in vivo on 6 pigs, following a single Galantamine dose to be delivered through the buccal mucosae, as compared to intravenous drug injection. The secondary objectives were: a) to verify Galantamine bioavailability through buccal delivery; b) to evaluate the permeation enhancement effect of iontophoresis; and, finally, c) to assess any histomorphological changes in the buccal mucosae after transbuccal delivery. The results suggested that transbuccal delivery has the potential to cause long-lasting and controlled blood levels of Galantamine. The latter crosses the entire buccal mucosae, reaching systemic circulation after about 30 minutes and its plasmatic peak approximately 120 minutes after administration. The histological analysis of the buccal mucosae did not reveal any evidence of flogosis or tissue injury. Our results have clearly confirmed that the buccal delivery of Galantamine is a reliable tool with which to overcome the drawbacks associated with the conventional administration route. In general, transbuccal drug delivery has been shown to be an interesting, noninvasive and safe administration route for delivering systemically-acting drugs.
Keywords: Transbuccal drug delivery, Alzheimer disease, Galantamine
Current Pharmaceutical Design
Title: New Prospectives in the Delivery of Galantamine for Elderly Patients Using the IntelliDrug Intraoral Device: In Vivo Animal Studies
Volume: 16 Issue: 6
Author(s): L. I. Giannola, C. Paderni, V. De Caro, A. M. Florena, A. Wolff and G. Campisi
Affiliation:
Keywords: Transbuccal drug delivery, Alzheimer disease, Galantamine
Abstract: The transbuccal delivery of drugs could assist several categories of chronic, especially elderly, patients in adhering to a correct dosage regimen. In particular, patients suffering from dementia have several difficulties in following the prescribed dosage, in addition to problems associated with swallowing tablets. Galantamine is currently used for treating patients with mild to moderate Alzheimers-type dementia. The transbuccal delivery of this drug could be an interesting non- invasive and safe administration route. Several studies have been performed in vitro and ex vivo within the framework of a European Commission funded Project (IntelliDrug-FP6), aimed at developing a device which would be fitted for controlled delivery of drugs by an electronic and software-driven system. The primary objective of this study was to evaluate the efficacy of a prototype of the IntelliDrug device in vivo on 6 pigs, following a single Galantamine dose to be delivered through the buccal mucosae, as compared to intravenous drug injection. The secondary objectives were: a) to verify Galantamine bioavailability through buccal delivery; b) to evaluate the permeation enhancement effect of iontophoresis; and, finally, c) to assess any histomorphological changes in the buccal mucosae after transbuccal delivery. The results suggested that transbuccal delivery has the potential to cause long-lasting and controlled blood levels of Galantamine. The latter crosses the entire buccal mucosae, reaching systemic circulation after about 30 minutes and its plasmatic peak approximately 120 minutes after administration. The histological analysis of the buccal mucosae did not reveal any evidence of flogosis or tissue injury. Our results have clearly confirmed that the buccal delivery of Galantamine is a reliable tool with which to overcome the drawbacks associated with the conventional administration route. In general, transbuccal drug delivery has been shown to be an interesting, noninvasive and safe administration route for delivering systemically-acting drugs.
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Giannola I. L., Paderni C., De Caro V., Florena M. A., Wolff A. and Campisi G., New Prospectives in the Delivery of Galantamine for Elderly Patients Using the IntelliDrug Intraoral Device: In Vivo Animal Studies, Current Pharmaceutical Design 2010; 16 (6) . https://dx.doi.org/10.2174/138161210790883804
DOI https://dx.doi.org/10.2174/138161210790883804 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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