2013
DOI: 10.1089/jop.2012.0119
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Evaluation of the Efficacy and Safety of Botulinum Toxin Type A to Induce Temporary Ptosis in Dogs

Abstract: The application of BoNT/A into the levator palpebral superioris muscle in dogs was effective and safe to promote protective ptosis with a temporary covering of the cornea.

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Cited by 7 publications
(13 citation statements)
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“…However, in this case, with the advancement of scientific knowledge, this factor will soon be eliminated. The use of in vitro Myography to replace lethality (LD50) tests using botulinum toxin (botox) is currently being performed on live animals in research conducted in the Department of Pharmacology, School of Medicine, the State University of Campinas (Bittencourt, 2012). Epidemiological and clinical studies, autopsies, and postmortem studies, as well as computer simulations and the use of mathematical models are also important tools in creating alternative methods.…”
Section: Initiatives For the Advancement Of Alternative Methodsmentioning
confidence: 99%
“…However, in this case, with the advancement of scientific knowledge, this factor will soon be eliminated. The use of in vitro Myography to replace lethality (LD50) tests using botulinum toxin (botox) is currently being performed on live animals in research conducted in the Department of Pharmacology, School of Medicine, the State University of Campinas (Bittencourt, 2012). Epidemiological and clinical studies, autopsies, and postmortem studies, as well as computer simulations and the use of mathematical models are also important tools in creating alternative methods.…”
Section: Initiatives For the Advancement Of Alternative Methodsmentioning
confidence: 99%
“…Protective ptosis may be temporarily necessary in some cases to protect the cornea and allow healing of the ocular disease, to avoid surgery. From this perspective, transcutaneous injections of BoNT-A in the anterior levator palpebral superioris muscle allowed effective covering of the cornea for up to 3 weeks in a canine experimental study [ 68 ]. Local subcutaneous injections of BoNT-A (Dysport) were also effective in the treatment of primary dog blepharospasm, an abnormal, uncontrolled contraction of the eyelid muscles [ 69 ].…”
Section: Therapeutic Applications In Veterinary Medicinementioning
confidence: 99%
“…dias. Nesse estudo a TB foi aplicada por via transpalpebral e também foram avaliados parâmetros como função visual, mobilidade ocular, produção lacrimal e PIO, cuja análise demonstrou segurança ao uso desse fármaco (72) .…”
Section: 48-toxina Botulínica Tipo a Na Produção De Ptose Temporáriaunclassified
“…Através da aplicação da TBA no MEPS dos gatos, espera-se o desenvolvimento de uma ptose, sem alterações oculares de mobilidade e PIO (3,5,35,70,72) . esquerdo (que recebeu a droga) e no olho direito (controle) (Tabela 1 e gráfico 1).…”
Section: -Hipótesesunclassified
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