Physicochemical properties of otic products for Canine Otitis Externa: comparative analysis of marketed products
Abstract Background Otitis externa is a commonly diagnosed dermatological disorder in canines. The pathogens primarily involved in canine otitis externa (COE) include Staphylococcus pseudintermedius, Pseudomonas aeruginosa, Proteus mirabilis, and Malassezia pachydermatis. As COE tends to be superfic...
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| Format: | Article |
| Language: | English |
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BMC
2023-02-01
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| Series: | BMC Veterinary Research |
| Subjects: | |
| Online Access: | https://doi.org/10.1186/s12917-023-03596-2 |
| _version_ | 1811165889692696576 |
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| author | Yunmei Song Sadikalmahdi Abdella Franklin Afinjuomo Emily Josephine Weir Jin Quan Eugene Tan Peter Hill Stephen W. Page Sanjay Garg |
| author_facet | Yunmei Song Sadikalmahdi Abdella Franklin Afinjuomo Emily Josephine Weir Jin Quan Eugene Tan Peter Hill Stephen W. Page Sanjay Garg |
| author_sort | Yunmei Song |
| collection | DOAJ |
| description | Abstract Background Otitis externa is a commonly diagnosed dermatological disorder in canines. The pathogens primarily involved in canine otitis externa (COE) include Staphylococcus pseudintermedius, Pseudomonas aeruginosa, Proteus mirabilis, and Malassezia pachydermatis. As COE tends to be superficial, medications delivered topically are often effective and practical in managing the condition. As such, there is a wide variety of approved topical products currently available in the market. The efficacy of topical dosage forms can be dependent on various factors such as the pharmacology of active constituents and the physicochemical properties of the formulation, including pH, viscosity, spreadability, and bio-adhesion. Currently, there is a lack of published literature available on the optimal properties of topical COE products. In this study, we compared the physicochemical properties of nine commercially available otic veterinarian products in Australia used clinically to manage COE. Results Based on our comparative analysis, the pH (6.26 ± 0.04) of an aqueous-based product was similar to a healthy dog’s external auditory canal. Products containing polymers exhibited higher viscosity and bio-adhesion. Spreadability was inversely related to viscosity and Osurnia ® a product with high viscosity demonstrated the lowest spreadability. Aqueous-based otic products showed better syringebility whereas oil-based systems required higher force to expel the products. Variability in droplet size was noted. Derm Otic, Baytril Otic, and Aurizon Ear Drops had the lower standard deviation which indicates they would give a more consistent dose. Conclusions Findings from this work provide considerations for industry researchers or formulation scientists working in the area of otic dosage formulations. |
| first_indexed | 2024-04-10T15:43:37Z |
| format | Article |
| id | doaj.art-de75de68bcd9435da739afeae3563510 |
| institution | Directory Open Access Journal |
| issn | 1746-6148 |
| language | English |
| last_indexed | 2024-04-10T15:43:37Z |
| publishDate | 2023-02-01 |
| publisher | BMC |
| record_format | Article |
| series | BMC Veterinary Research |
| spelling | doaj.art-de75de68bcd9435da739afeae35635102023-02-12T12:14:59ZengBMCBMC Veterinary Research1746-61482023-02-011911910.1186/s12917-023-03596-2Physicochemical properties of otic products for Canine Otitis Externa: comparative analysis of marketed productsYunmei Song0Sadikalmahdi Abdella1Franklin Afinjuomo2Emily Josephine Weir3Jin Quan Eugene Tan4Peter Hill5Stephen W. Page6Sanjay Garg7Centre for Pharmaceutical Innovation(CPI), Clinical and Health Sciences, University of South AustraliaCentre for Pharmaceutical Innovation(CPI), Clinical and Health Sciences, University of South AustraliaCentre for Pharmaceutical Innovation(CPI), Clinical and Health Sciences, University of South AustraliaCentre for Pharmaceutical Innovation(CPI), Clinical and Health Sciences, University of South AustraliaCentre for Pharmaceutical Innovation(CPI), Clinical and Health Sciences, University of South AustraliaSmall Animal Specialist HospitalNeoculi Pty. Ltd.Centre for Pharmaceutical Innovation(CPI), Clinical and Health Sciences, University of South AustraliaAbstract Background Otitis externa is a commonly diagnosed dermatological disorder in canines. The pathogens primarily involved in canine otitis externa (COE) include Staphylococcus pseudintermedius, Pseudomonas aeruginosa, Proteus mirabilis, and Malassezia pachydermatis. As COE tends to be superficial, medications delivered topically are often effective and practical in managing the condition. As such, there is a wide variety of approved topical products currently available in the market. The efficacy of topical dosage forms can be dependent on various factors such as the pharmacology of active constituents and the physicochemical properties of the formulation, including pH, viscosity, spreadability, and bio-adhesion. Currently, there is a lack of published literature available on the optimal properties of topical COE products. In this study, we compared the physicochemical properties of nine commercially available otic veterinarian products in Australia used clinically to manage COE. Results Based on our comparative analysis, the pH (6.26 ± 0.04) of an aqueous-based product was similar to a healthy dog’s external auditory canal. Products containing polymers exhibited higher viscosity and bio-adhesion. Spreadability was inversely related to viscosity and Osurnia ® a product with high viscosity demonstrated the lowest spreadability. Aqueous-based otic products showed better syringebility whereas oil-based systems required higher force to expel the products. Variability in droplet size was noted. Derm Otic, Baytril Otic, and Aurizon Ear Drops had the lower standard deviation which indicates they would give a more consistent dose. Conclusions Findings from this work provide considerations for industry researchers or formulation scientists working in the area of otic dosage formulations.https://doi.org/10.1186/s12917-023-03596-2Canine otitis externaFormulation developmentPhysicochemical properties |
| spellingShingle | Yunmei Song Sadikalmahdi Abdella Franklin Afinjuomo Emily Josephine Weir Jin Quan Eugene Tan Peter Hill Stephen W. Page Sanjay Garg Physicochemical properties of otic products for Canine Otitis Externa: comparative analysis of marketed products BMC Veterinary Research Canine otitis externa Formulation development Physicochemical properties |
| title | Physicochemical properties of otic products for Canine Otitis Externa: comparative analysis of marketed products |
| title_full | Physicochemical properties of otic products for Canine Otitis Externa: comparative analysis of marketed products |
| title_fullStr | Physicochemical properties of otic products for Canine Otitis Externa: comparative analysis of marketed products |
| title_full_unstemmed | Physicochemical properties of otic products for Canine Otitis Externa: comparative analysis of marketed products |
| title_short | Physicochemical properties of otic products for Canine Otitis Externa: comparative analysis of marketed products |
| title_sort | physicochemical properties of otic products for canine otitis externa comparative analysis of marketed products |
| topic | Canine otitis externa Formulation development Physicochemical properties |
| url | https://doi.org/10.1186/s12917-023-03596-2 |
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