Search Results - "Martins Gelfuso, Guilherme"

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    A poloxamer/chitosan in situ forming gel with prolonged retention time for ocular delivery by Gratieri, Taís, Gelfuso, Guilherme Martins, Rocha, Eduardo Melani, Sarmento, Victor Hugo, de Freitas, Osvaldo, Lopez, Renata Fonseca Vianna

    “…The aim of the present work was to obtain an ophthalmic delivery system with improved mechanical and mucoadhesive properties that could provide prolonged…”
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    Journal Article
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    Medicine manipulation: An alternative to mitigate therapeutic gaps in the Brazilian Unified Health System? by Okamoto, Gabriel Gonçalves, dos Santos, Kathiely Martins, Nogueira, Luma de Lira, Gelfuso, Guilherme Martins, Santana, Rafael Santos

    Published in PloS one (09-11-2022)
    “…Despite the various initiatives carried out in Brazil and in the world, the challenge of offering essential medicines in adequate presentations remains,…”
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    Journal Article
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    Enhancing and sustaining the topical ocular delivery of fluconazole using chitosan solution and poloxamer/chitosan in situ forming gel by Gratieri, Taís, Gelfuso, Guilherme Martins, de Freitas, Osvaldo, Rocha, Eduardo Melani, Lopez, Renata F.V.

    “…FLU aqueous humor concentrations assessed by microdialysis in rabbits after the topical administration of the following: (i) poloxamer/chitosan in situ forming…”
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    Liquid chromatography-mass spectrometry for simultaneous determination of spironolactone and canrenone in plasma samples by Ferreira-Nunes, Ricardo, Almeida, Edson Aliel Teixeira de, Cunha-Filho, Marcilio, Gratieri, Tais, Gelfuso, Guilherme Martins

    “…In our study, we aimed to validate a method based on liquid chromatography-mass spectrometry (LC-MS) to quantify spironolactone (SPI) and its active metabolite…”
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    Multi-level toxicity assessment of the antidepressant venlafaxine in embryos/larvae and adults of zebrafish (Danio rerio) by Oliveira, Ana Clara, Fascineli, Maria Luiza, Oliveira, Paula Martins de, Gelfuso, Guilherme Martins, Villacis, Rolando André Rios, Grisolia, Cesar Koppe

    Published in Genetics and molecular biology (2023)
    “…The toxic effects of venlafaxine (VLX) on aquatic organisms have already been verified and therefore are a proven matter of concern. Herein, we evaluated…”
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    Topical ophthalmic antimicrobials: unfulfilled demands and possibility of new investments in Brazil and in the United States by Kollross, Bianca, Gelfuso, Guilherme Martins, Cunha-Filho, Marcilio, Gratieri, Tais

    “…In general, topical ophthalmic drug products, especially those used for treating infections, present low effectiveness because of various reasons, from…”
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    Ibrutinib Modulates Proliferation, Migration, Mitochondrial Homeostasis, and Apoptosis in Melanoma Cells by Lins, Fernanda Vitelli, Bispo, Elizabete Cristina Iseke, Rodrigues, Naomí Souza, Silva, Maria Victória Souto, Carvalho, Juliana Lott, Gelfuso, Guilherme Martins, Saldanha-Araujo, Felipe

    Published in Biomedicines (01-05-2024)
    “…Ibrutinib, a tyrosine kinase inhibitor with a broad spectrum of action, has been successfully explored to treat hematological and solid cancers. Herein, we…”
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    Regulatory Requirements and Innovation: A Comparison of the Dermatologic Antifungal Drug Product Markets in Brazil and United States by Kollross, Bianca, Cunha-Filho, Marcilio, Gelfuso, Guilherme Martins, Gratieri, Tais

    “…Development of novel dermatological topical products for the treatment of cutaneous fungal infections is a constant necessity, especially in developing…”
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    Chitosan microparticles for sustaining the topical delivery of minoxidil sulphate by Gelfuso, Guilherme Martins, Gratieri, Taís, Simão, Patrícia Sper, de Freitas, Luís Alexandre Pedro, Lopez, Renata Fonseca Vianna

    Published in Journal of microencapsulation (01-11-2011)
    “…Given the hypothesis that microparticles can penetrate the skin barrier along the transfollicular route, this work aimed to obtain and characterise chitosan…”
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    Bioequivalence of dermatological topical medicines:the Brazilian scenario and the challenges for health surveillance by Soares, Kelen Carine Costa, Moraes, Marcelo Vogler, Gelfuso, Guilherme Martins, Gratieri, Taís

    Published in Ciência & saude coletiva (01-11-2015)
    “…The comparative evaluation required for the registration of generic topical medicines in Brazil is conducted by means of a pharmaceutical equivalence study,…”
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    The effects of pH and ionic strength on topical delivery of a negatively charged porphyrin (TPPS4) by Gelfuso, Guilherme Martins, Figueiredo, Fábio Vasconcelos, Gratieri, Taís, Lopez, Renata Fonseca Vianna

    Published in Journal of pharmaceutical sciences (01-10-2008)
    “…Meso-tetra-[4-sulfonatophenyl]-porphyrin (TPPS(4)) is a charged porphyrin derivate used in photodynamic therapy (PDT) by parenteral administration. This study…”
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