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- W2474839570 abstract "Tramadol hydrochloride is a centrally-acting synthetic opioid analgesic binding to specific opioid receptors. It is used in the management of chronic pain and is recommended as first line drug in the treatment of postoperative or orthopedic injury induced acute pain. The present work is designed to prepare and evaluate mucoadhesive buccal film of tramadol hydrochloride as a novel form of prolonged analgesia for patients with orthopedic injuries. Buccal films of tramadol hydrochloride were prepared by solvent casting method. The prepared films were evaluated for the various evaluation parameters like thickness, surface pH, weight uniformity, content uniformity, folding endurance, swelling index, in vitro drug release study, in vitro test for mucoadhesion and in vivo studies (primary mucosal irritancy test and analgesic activity). All the formulations exhibited good results for physicochemical characterizations. In in vitro drug release study the films exhibited controlled release more than 12 hours. The formulation BFT2 (containing chitosan and PVP K-90) showed no irritant effect on buccal mucosa and elicit the significant in vivo analgesic activity with 57.14% analgesia against that of standard (61.04%). It was concluded that the mucoadhesive films of tramadol hydrochloride can be effectively used to alleviate the severe pain of orthopedic injuries with prompt onset and prolonged action. O cloridrato de tramadol é um analgésico opioide de ação central que se liga a receptores opioides específicos. É usado no tratamento de dor crônica e recomendado como fármaco de primeira linha para o tratamento no pós-operatório ou em dor aguda induzida por lesão ortopédica. O presente estudo visa preparar e avaliar o filme bucal mucoadesivo de cloridrato de tramadol como uma nova forma de analgesia prolongada para pacientes com lesões ortopédicas. Filmes bucais de cloridrato de tramadol foram preparados pelo método de evaporação de solvente. Os filmes preparados foram avaliados para os vários parâmetros de avaliação como espessura, pH da superfície, uniformidade do peso, uniformidade do conteúdo, resistência a dobras, índice de intumescimento, estudo de liberação da droga in vitro, teste in vitro para mucoadesão e estudos in vivo (teste de irritação da mucosa primária e atividade analgésica). Todas as formulações apresentaram bons resultados para caracterizações físico-químicas. Em estudo de libertação de droga in vitro, os filmes exibiram liberação controlada mais de 12 horas. A formulação de BFT2 (contendo quitosana e PVP K-90) não mostrou efeito irritante sobre a mucosa bucal e provocou uma atividade analgésica significativa in vivo com 57,14% de analgesia versus a do padrão (61,04%). Concluiu-se que os filmes mucoadesivos de cloridrato de tramadol podem ser usados eficazmente para aliviar a dor intensa de lesões ortopédicas com início rápido e ação prolongada." @default.
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- W2474839570 date "2017-05-01" @default.
- W2474839570 modified "2023-10-01" @default.
- W2474839570 title "Mucoadhesive buccal films of tramadol for effective pain management" @default.
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- W2474839570 doi "https://doi.org/10.1016/j.bjane.2015.08.016" @default.
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