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Polymorphism: an evaluation of the potential risk to the quality of drug products from the Farmácia Popular Rede Própria BJPS
Santos,Olímpia Maria Martins; Reis,Maria Esther Dias; Jacon,Jennifer Tavares; Lino,Mônica Esselin de Sousa; Simões,Juliana Savioli; Doriguetto,Antonio Carlos.
Polymorphism in solids is a common phenomenon in drugs, which can lead to compromised quality due to changes in their physicochemical properties, particularly solubility, and, therefore, reduce bioavailability. Herein, a bibliographic survey was performed based on key issues and studies related to polymorphism in active pharmaceutical ingredient (APIs) present in medications from the Farmácia Popular Rede Própria. Polymorphism must be controlled to prevent possible ineffective therapy and/or improper dosage. Few mandatory tests for the identification and control of polymorphism in medications are currently available, which can result in serious public health concerns.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Polymorphism; Medicines/quality control; Medicines/solubility; Medicines/bioavailability.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502014000100002
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Evaluation of skin absorption of drugs from topical and transdermal formulations BJPS
Ruela,André Luís Morais; Perissinato,Aline Gravinez; Lino,Mônica Esselin de Sousa; Mudrik,Paula Silva; Pereira,Gislaine Ribeiro.
ABSTRACT The skin barrier function has been attributed to the stratum corneum and represents a major challenge in clinical practice pertaining to cutaneous administration of drugs. Despite this, a large number of bioactive compounds have been successfully administered via cutaneous administration because of advances in the design of topical and transdermal formulations. In vitro and in vivo evaluations of these novel drug delivery systems are necessary to characterize their quality and efficacy. This review covers the most well-known methods for assessing the cutaneous absorption of drugs as an auxiliary tool for pharmaceutical formulation scientists in the design of drug delivery systems. In vitro methods as skin permeation assays using Franz-type...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Skin absorption/effects/study; Skin absorption/topical formulations; Skin absorption/transdermal formulations; Skin absorptions/enhancers..
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502016000300527
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