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Publicação:
The role of stabilizers and mechanical processes on physico-chemical and anti-inflammatory properties of methotrexate nanosuspensions

dc.contributor.authorSantos, Aline Martins dos [UNESP]
dc.contributor.authorMeneguin, Andréia Bagliotti [UNESP]
dc.contributor.authorFonseca-Santos, Bruno [UNESP]
dc.contributor.authorChaves de Souza, Maurício Palmeira [UNESP]
dc.contributor.authorBarboza Ferreira, Leonardo Miziara [UNESP]
dc.contributor.authorSábio, Rafael Miguel [UNESP]
dc.contributor.authorChorilli, Marlus [UNESP]
dc.contributor.authorDaflon Gremião, Maria Palmira [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2020-12-12T02:37:41Z
dc.date.available2020-12-12T02:37:41Z
dc.date.issued2020-06-01
dc.description.abstractThe aim of this study was to investigate two different mechanical processes (Ultra-turrax® and Sonication) and two stabilizers (Methyl cellulose (MC) and Poloxamer 407 (P407)) on the physico-chemical and anti-inflammatory properties of the MTX nanosuspensions. The mechanical process, presence and type of stabilizers showed a strong impact on the particle size, polydispersity index (PDI), zeta potential and morphology of MTX nanosuspensions. In particular, the surfactant property of P407 in combination sonication process reduced significantly the particle size of MTX to nano-range size. Short term stability evaluated by dynamic light scattering (DLS) technique proved that the addition of the stabilizers MC and P407 on the MTX nanosuspensions provided stability through of the steric hindrance. In vitro dissolution studies showed that MTX nanosuspensions enhanced the drug release rates, revealing the influence of the different particle size on the drug release profiles. In vivo inflammation study indicated that MTX nanosuspensions presented a greater effect on the anti-inflammatory activity, maintaining this effect for up to 6 h, being more effective than the positive control. It could be concluded that the combined usage of mechanical processes and stabilizers modified in vitro and in vivo performance of the MTX nanosuspensions. Therefore, these results confirm the potential of these nanosuspensions as a promising tool for enhancement of dissolution rate and oral bioavailability of poorly water-soluble drugs, such as MTX.en
dc.description.affiliationSão Paulo State University (UNESP) School of Pharmaceutical Sciences
dc.description.affiliationUnespSão Paulo State University (UNESP) School of Pharmaceutical Sciences
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipIdCAPES: 001
dc.description.sponsorshipIdFAPESP: 2016/01464-9
dc.identifierhttp://dx.doi.org/10.1016/j.jddst.2020.101638
dc.identifier.citationJournal of Drug Delivery Science and Technology, v. 57.
dc.identifier.doi10.1016/j.jddst.2020.101638
dc.identifier.issn1773-2247
dc.identifier.scopus2-s2.0-85081885006
dc.identifier.urihttp://hdl.handle.net/11449/201629
dc.language.isoeng
dc.relation.ispartofJournal of Drug Delivery Science and Technology
dc.sourceScopus
dc.subjectAcid-base neutralization
dc.subjectAnti-inflammatory activity
dc.subjectBottom-up process
dc.subjectMethotrexate
dc.subjectMethyl cellulose
dc.subjectNanosuspension
dc.subjectPoloxamer 407
dc.titleThe role of stabilizers and mechanical processes on physico-chemical and anti-inflammatory properties of methotrexate nanosuspensionsen
dc.typeArtigopt
dspace.entity.typePublication
relation.isDepartmentOfPublicatione214da1b-9929-4ae9-b8fd-655e9bfeda4b
relation.isDepartmentOfPublication.latestForDiscoverye214da1b-9929-4ae9-b8fd-655e9bfeda4b
unesp.departmentFármacos e Medicamentos - FCFpt

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