Abstract
Background: Use of topical or transdermal administration of Celecoxib (Cxb) is an interesting strategy in cutaneous treatments since it reduces or avoids side effects of the oral route. However, Cxb´s high lipophilicity and the stratum corneum (SC) barrier impair cutaneous penetration.
Objective: Evaluation of copaiba oil (C.O) as a potential skin penetration enhancer (P.E) for Cxb.
Methods: The chemical composition of C.O was evaluated by GC-MS. Both in-vitro release and permeability assay of Cxb in Polyethylene glycol 400/ propylene glycol (PEG 400/PG) vehicle associated to C.O (1-50% w/w) were determined in a modified diffusion cell fitted with a synthetic hydrophobic membrane and pig ear skin as model, respectively.
Results: GC-MS analysis of C.O showed that it is composed of sesquiterpenes (68.65%) and diterpenes (22.26%). Formulations containing 25% C.O (F4) and 50% C.O (F5) have shown in-vitro burst release in the first 2 h, but only F4 released 100% of drug after 24 h. The highest Cxb permeation across skin was obtained from F4 and the highest skin retentions for F4 and F5 in the stratum corneum and epidermis plus dermis.
Conclusion: The increased Cxb permeability through skin and its retention for an extended time (24h) at 25% C.O suggest that it could be a promising adjuvant for the development of transdermal formulations of Cxb.
Keywords: Copaiba oil, chemical composition, GC-MS methodology, in-vitro cutaneous permeability, celecoxib, topical route, transdermal route.
Current Drug Delivery
Title:Copaiba Oil: Chemical Composition and Influence on In-vitro Cutaneous Permeability of Celecoxib
Volume: 15 Issue: 3
Author(s): Oliesia Gonzalez Quinones, Renata Pereira Abranches, Marcos Jun Nakamura, Monica Freiman de Souza Ramos and Maria Bernadete Riemma Pierre*
Affiliation:
- School of Pharmacy, Federal University of Rio de Janeiro, 21.941.902, Rio de Janeiro, RJ,Brazil
Keywords: Copaiba oil, chemical composition, GC-MS methodology, in-vitro cutaneous permeability, celecoxib, topical route, transdermal route.
Abstract: Background: Use of topical or transdermal administration of Celecoxib (Cxb) is an interesting strategy in cutaneous treatments since it reduces or avoids side effects of the oral route. However, Cxb´s high lipophilicity and the stratum corneum (SC) barrier impair cutaneous penetration.
Objective: Evaluation of copaiba oil (C.O) as a potential skin penetration enhancer (P.E) for Cxb.
Methods: The chemical composition of C.O was evaluated by GC-MS. Both in-vitro release and permeability assay of Cxb in Polyethylene glycol 400/ propylene glycol (PEG 400/PG) vehicle associated to C.O (1-50% w/w) were determined in a modified diffusion cell fitted with a synthetic hydrophobic membrane and pig ear skin as model, respectively.
Results: GC-MS analysis of C.O showed that it is composed of sesquiterpenes (68.65%) and diterpenes (22.26%). Formulations containing 25% C.O (F4) and 50% C.O (F5) have shown in-vitro burst release in the first 2 h, but only F4 released 100% of drug after 24 h. The highest Cxb permeation across skin was obtained from F4 and the highest skin retentions for F4 and F5 in the stratum corneum and epidermis plus dermis.
Conclusion: The increased Cxb permeability through skin and its retention for an extended time (24h) at 25% C.O suggest that it could be a promising adjuvant for the development of transdermal formulations of Cxb.
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Cite this article as:
Quinones Gonzalez Oliesia , Abranches Pereira Renata , Nakamura Jun Marcos, de Souza Ramos Freiman Monica and Riemma Pierre Bernadete Maria*, Copaiba Oil: Chemical Composition and Influence on In-vitro Cutaneous Permeability of Celecoxib, Current Drug Delivery 2018; 15 (3) . https://dx.doi.org/10.2174/1567201814666170825154453
DOI https://dx.doi.org/10.2174/1567201814666170825154453 |
Print ISSN 1567-2018 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5704 |
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