https://observatorio.fm.usp.br/handle/OPI/45825
Título: | Immunogenicity and safety of primary fractional-dose yellow fever vaccine in autoimmune rheumatic diseases |
Autor: | TONACIO, Adriana Coracini; PEDROSA, Tatiana do Nascimento; BORBA, Eduardo Ferreira; AIKAWA, Nadia Emi; PASOTO, Sandra Gofinet; FERREIRA FILHO, Julio Cesar Rente; BARROS, Marilia Mantovani Sampaio; LEON, Elaine Pires; LOMBARDI, Suzete Cleusa Ferreira Spina; MENDRONE JUNIOR, Alfredo; AZEVEDO, Adriana de Souza; SCHWARCZ, Waleska Dias; FULLER, Ricardo; YUKI, Emily Figueiredo Neves; LOPES, Michelle Remiao Ugolini; PEREIRA, Rosa Maria Rodrigues; BARROS, Percival Degrava Sampaio; ANDRADE, Danieli Castro Oliveira de; MEDEIROS-RIBEIRO, Ana Cristina de; MORAES, Julio Cesar Bertacini de; SHINJO, Samuel Katsuyuki; MIOSSI, Renata; DUARTE, Alberto Jose da Silva; LOPES, Marta Heloisa; KALLAS, Esper Georges; SILVA, Clovis Artur Almeida da; BONFA, Eloisa |
Citación: | PLOS NEGLECTED TROPICAL DISEASES, v.15, n.11, article ID e0010002, 17p, 2021 |
Resumen: | Background Brazil faced a yellow fever(YF) outbreak in 2016-2018 and vaccination was considered for autoimmune rheumatic disease patients(ARD) with low immunosuppression due to YF high mortality. Objective This study aimed to evaluate, prospectively for the first time, the short-term immunogenicity of the fractional YF vaccine(YFV) immunization in ARD patients with low immunossupression. Methods and Results A total of 318 participants(159 ARD and 159 age- and sex-matched healthy controls) were vaccinated with the fractional-dose(one fifth) of 17DD-YFV. All subjects were evaluated at entry(D0), D5, D10, and D30 post-vaccination for clinical/laboratory and disease activity parameters for ARD patients. Post-vaccination seroconversion rate(83.7%vs.96.6%, p = 0.0006) and geometric mean titers(GMT) of neutralizing antibodies[1143.7 (95%CI 1012.3-1292.2) vs.731 (95%CI 593.6-900.2), p< 0.001] were significantly lower in ARD compared to controls. A lower positivity rate of viremia was also identified for ARD patients compared to controls at D5 (53%vs.70%, p = 0.005) and the levels persisted in D10 for patients and reduced for controls(51%vs.19%, p = 0.0001). The viremia was the only variable associated with seroconvertion. No serious adverse events were reported. ARD disease activity parameters remained stable at D30(p>0.05). Conclusion Fractional-dose 17DD-YF vaccine in ARD patients resulted in a high rate of seroconversion rate(> 80%) but lower than controls, with a longer but less intense viremia. This vaccine was immunogenic, safe and did not induce flares in ARD under low immunosuppression and may be indicated in YF outbreak situations and for patients who live or travel to endemic areas. |
Aparece en las colecciones: | Artigos e Materiais de Revistas Científicas - FM/MCM Artigos e Materiais de Revistas Científicas - FM/MIP Artigos e Materiais de Revistas Científicas - FM/MPE Artigos e Materiais de Revistas Científicas - FM/MPT Artigos e Materiais de Revistas Científicas - HC/ICHC Artigos e Materiais de Revistas Científicas - HC/ICr Artigos e Materiais de Revistas Científicas - HC/IOT Artigos e Materiais de Revistas Científicas - LIM/03 Artigos e Materiais de Revistas Científicas - LIM/05 Artigos e Materiais de Revistas Científicas - LIM/17 Artigos e Materiais de Revistas Científicas - LIM/31 Artigos e Materiais de Revistas Científicas - LIM/36 Artigos e Materiais de Revistas Científicas - LIM/48 Artigos e Materiais de Revistas Científicas - LIM/56 Artigos e Materiais de Revistas Científicas - ODS/03 |
Fichero | Descripción | Tamaño | Formato | |
---|---|---|---|---|
art_TONACIO_Immunogenicity_and_safety_of_primary_fractionaldose_yellow_fever_2021.PDF | publishedVersion (English) | 1.34 MB | Adobe PDF | Visualizar/Abrir |
Los ítems de DSpace están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.