New quad flu shot for little ones shows promise in large trial
NCT ID NCT05779020
First seen Nov 01, 2025 · Last updated May 09, 2026 · Updated 23 times
Summary
This study tested a new quadrivalent (four-strain) flu vaccine made by Instituto Butantan in over 1,300 healthy infants and children aged 6 to 35 months. The goal was to see if the vaccine triggers a strong immune response and is safe compared to existing flu vaccines. Results will help determine if this vaccine can better protect young children against influenza.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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A2Z Clinical Centro Avançado de Pesquisa Clínica Ltda.(Site 001)
Valinhos, São Paulo, 13271-130, Brazil
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CPMC Pesquisa Clínica - Clinica De Alergia Martti Antila Sorocaba
Sorocaba, São Paulo, 18040-425, Brazil
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CPQuali Pesquisa Clínica Ltda (Site 002)
São Paulo, 01228-000, Brazil
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Centro Oncológico de Roraima - CECOR (Site BVB-01)
Boa Vista, Roraima, 69304-015, Brazil
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Centro de Pesquisa Clínica S (Site RAO03)
Serrana, São Paulo, Brazil
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Centro de Pesquisa Clínica do Instituto da Criança - Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (Site SAO08)
São Paulo, 05403-000, Brazil
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Centro de Pesquisas Clínicas da Universidade Federal de Sergipe (Site AJU01)
Laranjeiras, Sergipe, 49170-000, Brazil
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Hospital das Clínicas da Faculdade de Medicina Ribeirão Preto - USP (Site RAO 04)
Ribeirão Preto, São Paulo, 14051-140, Brazil
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Instituto Auto Imune de Pesquisa e Educação Continuada - Real Hospital Português de Beneficência em Pernambuco (Site REC01)
Recife, Pernambuco, Brazil
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Instituto de Pesquisa PENSI (Site SAO09)
São Paulo, 01228-200, Brazil
Conditions
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