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Quality attributes of CTVad1, a nanoemulsified adjuvant for phase I clinical trial of SpiN COVID-19 vaccine

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Assis, Bruna Rodrigues Dias ; Gomes, Isabela Pereira ; de Castro, Julia Teixeira ; Rivelli, Graziella Gomes ; de Castro, Natalia Salazar ; Gomez-Mendoza, Diana Paola ; Bagno, Flavia Fonseca ; Hojo-Souza, Natalia Satchiko ; Maia, Ana Luiza Chaves ; Lages, Eduardo Burgarelli ; da Fonseca, Flavio Guimaraes ; Teixeira, Santuza Maria Ribeiro ; Fernandes, Ana Paula ; Gazzinelli, Ricardo Tostes ; Goulart, Gisele Assis Castro
Número total de Autores: 15
Tipo de documento: Artigo Científico
Fonte: Nanomedicine; v. 18, n. 18, p. 20-pg., 2023-09-15.
Resumo

Aim: To develop, characterize and evaluate an oil/water nanoemulsion with squalene (CTVad1) to be approved as an adjuvant for the SpiN COVID-19 vaccine clinical trials. Materials & methods: Critical process parameters (CPPs) of CTVad1 were standardized to meet the critical quality attributes (CQAs) of an adjuvant for human use. CTVad1 and the SpiN-CTVad1 vaccine were submitted to physicochemical, stability, in vitro and in vivo studies. Results & conclusion: All CQAs were met in the CTVad1 production process. SpiN- CTVad1 met CQAs and induced high levels of antibodies and specific cellular responses in in vivo studies. These results represented a critical step in the process developed to meet regulatory requirements for the SpiN COVID-19 vaccine clinical trial. (AU)

Processo FAPESP: 20/05527-0 - Vacina intranasal bivalente utilizando vírus influenza expressando a proteína S (spike) do SARS-CoV-2: mecanismos de proteção e lesão pulmonar
Beneficiário:Ricardo Tostes Gazzinelli
Modalidade de apoio: Auxílio à Pesquisa - Regular