Immune response of a two-dose heterologous Ebola vaccine regimen: summary of three African clinical trials using a single validated Filovirus Animal Nonclinical Group enzyme-linked immunosorbent assay in a single accredited laboratoryResearch in context

Autor: Chelsea McLean, Houreratou Barry, Mark Kieh, Zacchaeus Anywaine, Baimba Tapima Rogers, Seydou Doumbia, Sodiomon B. Sirima, Alimamy Serry-Bangura, Abdoul Habib Beavogui, Auguste Gaddah, Michael Katwere, Jenny Hendriks, Babajide Keshinro, Serge Eholie, Hannah Kibuuka, Stephen B. Kennedy, Omu Anzala, Mohamed Samai, Eric D'Ortenzio, Bailah Leigh, Samba Sow, Rodolphe Thiébaut, Brian Greenwood, Deborah Watson-Jones, Macaya Douoguih, Kerstin Luhn, Cynthia Robinson
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: EBioMedicine, Vol 91, Iss , Pp 104562- (2023)
Druh dokumentu: article
ISSN: 2352-3964
DOI: 10.1016/j.ebiom.2023.104562
Popis: Summary: Background: This analysis evaluated the immune response to the two-dose, heterologous Ad26.ZEBOV, MVA-BN-Filo Ebola virus vaccine regimen, administered 56-days apart, from multiple African sites based on results from one analytic laboratory. Methods: Immunogenicity across three trials (EBL2002, EBL2004/PREVAC, EBL3001) conducted in East and West Africa is summarised. Vaccine-induced Ebola glycoprotein-binding antibody concentrations were analysed by Q2 Solutions laboratory at baseline, 21 days (EBL2002 and EBL3001) or 28 days (EBL2004) post-dose 2 (regimen completion), and 12 months post-dose 1 using the validated Filovirus Animal Nonclinical Group Ebola glycoprotein enzyme-linked immunosorbent assay (ELISA). Responders were defined as those with a >2.5-fold increase from baseline or the lower limit of quantification (LLOQ) if
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