Atividade in vitro da terbinafina e associações sobre Pythium insidiosum
Ano de defesa: | 2009 |
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Autor(a) principal: | |
Orientador(a): | |
Banca de defesa: | , |
Tipo de documento: | Dissertação |
Tipo de acesso: | Acesso aberto |
Idioma: | por |
Instituição de defesa: |
Universidade Federal de Santa Maria
|
Programa de Pós-Graduação: |
Programa de Pós-Graduação em Farmacologia
|
Departamento: |
Farmacologia
|
País: |
BR
|
Palavras-chave em Português: | |
Palavras-chave em Inglês: | |
Área do conhecimento CNPq: | |
Link de acesso: | http://repositorio.ufsm.br/handle/1/8939 |
Resumo: | Pythiosis is a granulomatous disease of human and animals that occurs primarily in tropical and subtropical areas of the world. It is caused by an aquatic, fungus-like organism called Pythium insidiosum. The treatment for pythiosis is uncertain, with an unfavorable prognosis for human and animals. Therefore, new possibilities for treatments must be examined. We have evaluated the in vitro activities of terbinafine (0.25 to 32 mg/L) alone and in combination with caspofungin (0.5 to 128 mg/L), miconazole (0.25 to 32 mg/L), fluconazole(0.125 to 64 mg/L), ketoconazole (0.125 to 64 mg/L), amphotericin B (0.25 to 16 mg/L), fluvastatin (0.125 to 64 mg/L), rifampicin (0.25 to 64 mg/L), metronidazole (0.25 to 128 mg/L) and ibuprofen (8 to 2,048) against 17 clinical isolates of P. insidiosum. Antifungal activities were assayed by broth microdilution, based on protocol M38-A for filamentous fungi, adapted to P. insidiosum, as well as the checkerboard method. Synergisms were observed in combinations of terbinafine plus caspofungin (41.18%), fluconazole (41.18%), amphotericin B (41.18%), ketoconazole (29.41%) and miconazole (11.76%). The combinations of terbinafine plus rifampicin and terbinafine plus metronidazole were indifferent for 94.12% of strains. Terbinafine plus ibuprofen was indifferent for 82.35% of strains. Antagonisms were observed in combinations of terbinafine with fluvastatin (35.30%) or rifampicin (5.88%). The combinations of terbinafine plus caspofungin, terbinafine plus fluconazole and terbinafine plus amphotericin B may have significant therapeutic potential for treatment of pythiosis. |
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2009-07-072009-07-072009-01-09CAVALHEIRO, Ayrton Sydnei. In vitro activity of terbinafine and associations against Pythium insidiosum. 2009. 96 f. Dissertação (Mestrado em Farmácia) - Universidade Federal de Santa Maria, Santa Maria, 2009.http://repositorio.ufsm.br/handle/1/8939Pythiosis is a granulomatous disease of human and animals that occurs primarily in tropical and subtropical areas of the world. It is caused by an aquatic, fungus-like organism called Pythium insidiosum. The treatment for pythiosis is uncertain, with an unfavorable prognosis for human and animals. Therefore, new possibilities for treatments must be examined. We have evaluated the in vitro activities of terbinafine (0.25 to 32 mg/L) alone and in combination with caspofungin (0.5 to 128 mg/L), miconazole (0.25 to 32 mg/L), fluconazole(0.125 to 64 mg/L), ketoconazole (0.125 to 64 mg/L), amphotericin B (0.25 to 16 mg/L), fluvastatin (0.125 to 64 mg/L), rifampicin (0.25 to 64 mg/L), metronidazole (0.25 to 128 mg/L) and ibuprofen (8 to 2,048) against 17 clinical isolates of P. insidiosum. Antifungal activities were assayed by broth microdilution, based on protocol M38-A for filamentous fungi, adapted to P. insidiosum, as well as the checkerboard method. Synergisms were observed in combinations of terbinafine plus caspofungin (41.18%), fluconazole (41.18%), amphotericin B (41.18%), ketoconazole (29.41%) and miconazole (11.76%). The combinations of terbinafine plus rifampicin and terbinafine plus metronidazole were indifferent for 94.12% of strains. Terbinafine plus ibuprofen was indifferent for 82.35% of strains. Antagonisms were observed in combinations of terbinafine with fluvastatin (35.30%) or rifampicin (5.88%). The combinations of terbinafine plus caspofungin, terbinafine plus fluconazole and terbinafine plus amphotericin B may have significant therapeutic potential for treatment of pythiosis.Pitiose é uma doença granulomatosa de humanos e animais que ocorre principamente em áreas tropicais e subtropicais de todo o mundo. Ela é causada por um microrganismo aquático semelhante aos fungos chamado Pythium insidiosum. O tratamento para pitiose é incerto, com um prognóstico desfavorável tanto para humanos como para os animais. Com isso, novas possibilidades para tratamentos devem ser examinados. Desta forma, avaliou-se a atividade in vitro da terbinafina (0,25 a 32 mg/L) sozinha e em combinação com caspofungina (0,5 a 128 mg/L), miconazol (0,25 a 32 mg/L), fluconazol (0,125 a 64 mg/L), cetoconazol (0,125 a 64 mg/L), anfotericina B (0,25 a 16 mg/L), fluvastatina (0,125 a 64 mg/L), rifampicina (0,25 a 64 mg/L), metronidazol (0,25 a 128 mg/L) e ibuprofeno (8 a 2.048) frente a 17 isolados clínicos de P. insidiosum. As atividades antifúngicas foram avaliadas por microdiluição em caldo, baseado no protocolo M38-A para fungos filamentosos, adaptado para P. insidiosum, e pela técnica de checkerboard. Sinergismos foram observados nas combinações de terbinafina mais caspofungina (41,18%), fluconazol (41,18%), anfotericina B (41,18%), cetoconazol (29,41%) e miconazol (11,76%). As combinações de terbinafina mais rifampicina e terbinafina mais metronidazol foram indiferentes para 94,12% das cepas. Terbinafina mais ibuprofeno foi indiferente para 82,35% dos isolados. Antagonismos foram observados nas combinações de terbinafina mais fluvastatina (35,30%) ou rifampicina (5,88%). As combinações de terbinafina mais caspofungina, terbinafina mais fluconazol e terbinafina mais anfotericina B podem ter significante potencial terapêutico para o tratamento da pitiose.Coordenação de Aperfeiçoamento de Pessoal de Nível Superiorapplication/pdfporUniversidade Federal de Santa MariaPrograma de Pós-Graduação em FarmacologiaUFSMBRFarmacologiaPitiosePythium insidiosumAtividade antifúngicaTerbinafinaCheckerboardPyhtiosisAntifungal activityTerbinafineCheckerboardCNPQ::CIENCIAS BIOLOGICAS::FARMACOLOGIAAtividade in vitro da terbinafina e associações sobre Pythium insidiosumIn vitro activity of terbinafine and associations against Pythium insidiosuminfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisSanturio, Janio Moraishttp://lattes.cnpq.br/6316012260769979Pereira, Daniela Isabel Brayerhttp://lattes.cnpq.br/3382450720179401Lopes, Sonia Teresinha dos Anjoshttp://lattes.cnpq.br/8059723754130756http://lattes.cnpq.br/9785486184580335Cavalheiro, Ayrton Sydnei20100000000040050030050050006a1b29c-fde0-4a69-8097-2a9d6a9d96492c24d26d-aa90-4bd9-903c-b864a4e3ecc28cf0f648-751e-463b-8607-0f38cce0874caac588d9-5a32-46a9-b6f9-2f297a059022info:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações do UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMORIGINALCAVALHEIRO, AYRTON SYDNEI.pdfapplication/pdf603598http://repositorio.ufsm.br/bitstream/1/8939/1/CAVALHEIRO%2c%20AYRTON%20SYDNEI.pdf6ddce9aad54fb373ea9a50783263bd84MD51TEXTCAVALHEIRO, AYRTON SYDNEI.pdf.txtCAVALHEIRO, AYRTON SYDNEI.pdf.txtExtracted texttext/plain165858http://repositorio.ufsm.br/bitstream/1/8939/2/CAVALHEIRO%2c%20AYRTON%20SYDNEI.pdf.txtd1c9462d2f4b851f5fc72b49cbf7e11fMD52THUMBNAILCAVALHEIRO, AYRTON SYDNEI.pdf.jpgCAVALHEIRO, AYRTON SYDNEI.pdf.jpgIM Thumbnailimage/jpeg4594http://repositorio.ufsm.br/bitstream/1/8939/3/CAVALHEIRO%2c%20AYRTON%20SYDNEI.pdf.jpg51b3597d90db588fae8ea02b64480c3fMD531/89392022-04-08 09:04:29.242oai:repositorio.ufsm.br:1/8939Biblioteca Digital de Teses e Dissertaçõeshttps://repositorio.ufsm.br/ONGhttps://repositorio.ufsm.br/oai/requestatendimento.sib@ufsm.br||tedebc@gmail.comopendoar:2022-04-08T12:04:29Biblioteca Digital de Teses e Dissertações do UFSM - Universidade Federal de Santa Maria (UFSM)false |
dc.title.por.fl_str_mv |
Atividade in vitro da terbinafina e associações sobre Pythium insidiosum |
dc.title.alternative.eng.fl_str_mv |
In vitro activity of terbinafine and associations against Pythium insidiosum |
title |
Atividade in vitro da terbinafina e associações sobre Pythium insidiosum |
spellingShingle |
Atividade in vitro da terbinafina e associações sobre Pythium insidiosum Cavalheiro, Ayrton Sydnei Pitiose Pythium insidiosum Atividade antifúngica Terbinafina Checkerboard Pyhtiosis Antifungal activity Terbinafine Checkerboard CNPQ::CIENCIAS BIOLOGICAS::FARMACOLOGIA |
title_short |
Atividade in vitro da terbinafina e associações sobre Pythium insidiosum |
title_full |
Atividade in vitro da terbinafina e associações sobre Pythium insidiosum |
title_fullStr |
Atividade in vitro da terbinafina e associações sobre Pythium insidiosum |
title_full_unstemmed |
Atividade in vitro da terbinafina e associações sobre Pythium insidiosum |
title_sort |
Atividade in vitro da terbinafina e associações sobre Pythium insidiosum |
author |
Cavalheiro, Ayrton Sydnei |
author_facet |
Cavalheiro, Ayrton Sydnei |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Santurio, Janio Morais |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/6316012260769979 |
dc.contributor.referee1.fl_str_mv |
Pereira, Daniela Isabel Brayer |
dc.contributor.referee1Lattes.fl_str_mv |
http://lattes.cnpq.br/3382450720179401 |
dc.contributor.referee2.fl_str_mv |
Lopes, Sonia Teresinha dos Anjos |
dc.contributor.referee2Lattes.fl_str_mv |
http://lattes.cnpq.br/8059723754130756 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/9785486184580335 |
dc.contributor.author.fl_str_mv |
Cavalheiro, Ayrton Sydnei |
contributor_str_mv |
Santurio, Janio Morais Pereira, Daniela Isabel Brayer Lopes, Sonia Teresinha dos Anjos |
dc.subject.por.fl_str_mv |
Pitiose Pythium insidiosum Atividade antifúngica Terbinafina Checkerboard |
topic |
Pitiose Pythium insidiosum Atividade antifúngica Terbinafina Checkerboard Pyhtiosis Antifungal activity Terbinafine Checkerboard CNPQ::CIENCIAS BIOLOGICAS::FARMACOLOGIA |
dc.subject.eng.fl_str_mv |
Pyhtiosis Antifungal activity Terbinafine Checkerboard |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS BIOLOGICAS::FARMACOLOGIA |
description |
Pythiosis is a granulomatous disease of human and animals that occurs primarily in tropical and subtropical areas of the world. It is caused by an aquatic, fungus-like organism called Pythium insidiosum. The treatment for pythiosis is uncertain, with an unfavorable prognosis for human and animals. Therefore, new possibilities for treatments must be examined. We have evaluated the in vitro activities of terbinafine (0.25 to 32 mg/L) alone and in combination with caspofungin (0.5 to 128 mg/L), miconazole (0.25 to 32 mg/L), fluconazole(0.125 to 64 mg/L), ketoconazole (0.125 to 64 mg/L), amphotericin B (0.25 to 16 mg/L), fluvastatin (0.125 to 64 mg/L), rifampicin (0.25 to 64 mg/L), metronidazole (0.25 to 128 mg/L) and ibuprofen (8 to 2,048) against 17 clinical isolates of P. insidiosum. Antifungal activities were assayed by broth microdilution, based on protocol M38-A for filamentous fungi, adapted to P. insidiosum, as well as the checkerboard method. Synergisms were observed in combinations of terbinafine plus caspofungin (41.18%), fluconazole (41.18%), amphotericin B (41.18%), ketoconazole (29.41%) and miconazole (11.76%). The combinations of terbinafine plus rifampicin and terbinafine plus metronidazole were indifferent for 94.12% of strains. Terbinafine plus ibuprofen was indifferent for 82.35% of strains. Antagonisms were observed in combinations of terbinafine with fluvastatin (35.30%) or rifampicin (5.88%). The combinations of terbinafine plus caspofungin, terbinafine plus fluconazole and terbinafine plus amphotericin B may have significant therapeutic potential for treatment of pythiosis. |
publishDate |
2009 |
dc.date.accessioned.fl_str_mv |
2009-07-07 |
dc.date.available.fl_str_mv |
2009-07-07 |
dc.date.issued.fl_str_mv |
2009-01-09 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
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masterThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
CAVALHEIRO, Ayrton Sydnei. In vitro activity of terbinafine and associations against Pythium insidiosum. 2009. 96 f. Dissertação (Mestrado em Farmácia) - Universidade Federal de Santa Maria, Santa Maria, 2009. |
dc.identifier.uri.fl_str_mv |
http://repositorio.ufsm.br/handle/1/8939 |
identifier_str_mv |
CAVALHEIRO, Ayrton Sydnei. In vitro activity of terbinafine and associations against Pythium insidiosum. 2009. 96 f. Dissertação (Mestrado em Farmácia) - Universidade Federal de Santa Maria, Santa Maria, 2009. |
url |
http://repositorio.ufsm.br/handle/1/8939 |
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