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Krüger LJ, Tanuri A, Lindner AK, Gaeddert M, Köppel L, Tobian F, Brümmer LE, Klein JAF, Lainati F, Schnitzler P, Nikolai O, Mockenhaupt FP, Seybold J, Corman VM, Jones TC, Drosten C, Gottschalk C, Weber SF, Weber S, Ferreira OC, Mariani D, Dos Santos Nascimento ER, Pereira Pinto Castineiras TM, Galliez RM, Faffe DS, Leitão IDC, Dos Santos Rodrigues C, Frauches TS, Nocchi KJCV, Feitosa NM, Ribeiro SS, Pollock NR, Knorr B, Welker A, de Vos M, Sacks J, Ongarello S, Denkinger CM. Accuracy and ease-of-use of seven point-of-care SARS-CoV-2 antigen-detecting tests: A multi-centre clinical evaluation. EBioMedicine 2022; 75:103774. [PMID: 34959134 PMCID: PMC8702380 DOI: 10.1016/j.ebiom.2021.103774] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/02/2021] [Accepted: 12/09/2021] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND Antigen-detecting rapid diagnostic tests (Ag-RDTs) for SARS-CoV-2 are important diagnostic tools. We assessed clinical performance and ease-of-use of seven Ag-RDTs in a prospective, manufacturer-independent, multi-centre cross-sectional diagnostic accuracy study to inform global decision makers. METHODS Unvaccinated participants suspected of a first SARS-CoV-2 infection were recruited at six sites (Germany, Brazil). Ag-RDTs were evaluated sequentially, with collection of paired swabs for routine reverse transcription polymerase chain reaction (RT-PCR) testing and Ag-RDT testing. Performance was compared to RT-PCR overall and in sub-group analyses (viral load, symptoms, symptoms duration). To understandusability a System Usability Scale (SUS) questionnaire and ease-of-use (EoU) assessment were performed. FINDINGS 7471 participants were included in the analysis. Sensitivities across Ag-RDTs ranged from 70·4%-90·1%, specificities were above 97·2% for all Ag-RDTs but one (93·1%).Ag-RDTs, Mologic, Bionote, Standard Q, showed diagnostic accuracy in line with WHO targets (> 80% sensitivity, > 97% specificity). All tests showed high sensitivity in the first three days after symptom onset (≥87·1%) and in individuals with viral loads≥ 6 log10SARS-CoV2 RNA copies/mL (≥ 88·7%). Usability varied, with Rapigen, Bionote and Standard Q reaching very good scores; 90, 88 and 84/100, respectively. INTERPRETATION Variability in test performance is partially explained by variable viral loads in population evaluated over the course of the pandemic. All Ag-RDTs reach high sensitivity early in the disease and in individuals with high viral loads, supporting their role in identifying transmission relevant infections. For easy-to-use tests, performance shown will likely be maintained in routine implementation. FUNDING Ministry of Science, Research and Arts, State of Baden-Wuerttemberg, Germany, internal funds from Heidelberg University Hospital, University Hospital Charité - Universitätsmedizin Berlin, UK Department of International Development, WHO, Unitaid.
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Affiliation(s)
- Lisa J Krüger
- Division of Infectious Disease and Tropical Medicine, Heidelberg University Hospital, Im Neuenheimer Feld 324, Heidelberg 69120, Germany
| | - Amilcar Tanuri
- Laboratório de Virologia Molecular, Instituto de Biologia - Departamento de Genética, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Cidade Universitária, Rio de Janeiro, RJ 21941-902, Brazil
| | - Andreas K Lindner
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Tropical Medicine and International Health, Augustenburger Pl. 1, Berlin 13353, Germany
| | - Mary Gaeddert
- Division of Infectious Disease and Tropical Medicine, Heidelberg University Hospital, Im Neuenheimer Feld 324, Heidelberg 69120, Germany
| | - Lisa Köppel
- Division of Infectious Disease and Tropical Medicine, Heidelberg University Hospital, Im Neuenheimer Feld 324, Heidelberg 69120, Germany
| | - Frank Tobian
- Division of Infectious Disease and Tropical Medicine, Heidelberg University Hospital, Im Neuenheimer Feld 324, Heidelberg 69120, Germany
| | - Lukas E Brümmer
- Division of Infectious Disease and Tropical Medicine, Heidelberg University Hospital, Im Neuenheimer Feld 324, Heidelberg 69120, Germany
| | - Julian A F Klein
- Division of Infectious Disease and Tropical Medicine, Heidelberg University Hospital, Im Neuenheimer Feld 324, Heidelberg 69120, Germany
| | - Federica Lainati
- Division of Infectious Disease and Tropical Medicine, Heidelberg University Hospital, Im Neuenheimer Feld 324, Heidelberg 69120, Germany
| | - Paul Schnitzler
- Virology, Heidelberg University Hospital, Im Neuenheimer Feld 324, Heidelberg 69120, Germany
| | - Olga Nikolai
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Tropical Medicine and International Health, Augustenburger Pl. 1, Berlin 13353, Germany
| | - Frank P Mockenhaupt
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Tropical Medicine and International Health, Augustenburger Pl. 1, Berlin 13353, Germany
| | - Joachim Seybold
- Medical Directorate, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Augustenburger Pl. 1, Berlin 13353, Germany
| | - Victor M Corman
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Virology, Rahel-Hirsch-Weg 3, Berlin 10117, Germany; German Centre for Infection Research (DZIF), Partner Site Charité, Charitépl. 1, Berlin 10117, Germany
| | - Terence C Jones
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Virology, Rahel-Hirsch-Weg 3, Berlin 10117, Germany; German Centre for Infection Research (DZIF), Partner Site Charité, Charitépl. 1, Berlin 10117, Germany; Centre for Pathogen Evolution, Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK
| | - Christian Drosten
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Virology, Rahel-Hirsch-Weg 3, Berlin 10117, Germany; German Centre for Infection Research (DZIF), Partner Site Charité, Charitépl. 1, Berlin 10117, Germany
| | - Claudius Gottschalk
- Division of Infectious Disease and Tropical Medicine, Heidelberg University Hospital, Im Neuenheimer Feld 324, Heidelberg 69120, Germany
| | - Stefan F Weber
- Division of Infectious Disease and Tropical Medicine, Heidelberg University Hospital, Im Neuenheimer Feld 324, Heidelberg 69120, Germany
| | - Stephan Weber
- Acomed Statistik, Fockestraße 57, Leipzig 04275, Germany
| | - Orlando C Ferreira
- Laboratório de Virologia Molecular, Instituto de Biologia - Departamento de Genética, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Cidade Universitária, Rio de Janeiro, RJ 21941-902, Brazil
| | - Diana Mariani
- Laboratório de Virologia Molecular, Instituto de Biologia - Departamento de Genética, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Cidade Universitária, Rio de Janeiro, RJ 21941-902, Brazil
| | - Erika Ramos Dos Santos Nascimento
- Laboratório de Virologia Molecular, Instituto de Biologia - Departamento de Genética, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Cidade Universitária, Rio de Janeiro, RJ 21941-902, Brazil
| | - Terezinha M Pereira Pinto Castineiras
- Departamento de Doenças Infecciosas e Parasitárias, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, RJ 21941-902, Brazil
| | - Rafael Mello Galliez
- Departamento de Doenças Infecciosas e Parasitárias, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, RJ 21941-902, Brazil
| | - Debora Souza Faffe
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, RJ 21941-902, Brazil
| | - Isabela de Carvalho Leitão
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, RJ 21941-902, Brazil
| | - Claudia Dos Santos Rodrigues
- Serviço de Atendimento Especializado / Centro de Testagem e Aconselhamento, Avenida Roberto Silveira, 46 - 3° Andar, Maricá, Brazil
| | - Thiago Silva Frauches
- Laboratório Central Dr. Francisco Rímolo Neto, R. Álvares de Castro, n° 346, Maricá, RJ 24900-880, Brazil
| | | | - Natalia Martins Feitosa
- Instituto de Biodiversidade e Sustantabilidade NUPEM, Universidade Federal do Rio de Janeiro, Campus Macaé, Av. São José Barreto, 764 - São José do Barreto, Macaé, RJ 27965-045, Brazil
| | - Sabrina Santana Ribeiro
- Secretaria Municipal de Saúde de Guapimirim, Rua Pastor Francisco Antônio Rosa - S/N, Guapimirim, RJ 25946-253, Brazil
| | - Nira R Pollock
- Department of Laboratory Medicine, Boston Children's Hospital, 300 Longwood Ave, Boston, MA 02115, United States
| | - Britta Knorr
- Department Public Health Rhein Neckar Region, Kurfürsten-Anlage 38-40, Heidelberg 69115, Germany
| | - Andreas Welker
- Department Public Health Rhein Neckar Region, Kurfürsten-Anlage 38-40, Heidelberg 69115, Germany
| | - Margaretha de Vos
- FIND, Campus Biotech, Building B, Level 0, Chemin des Mines 9, Geneva 1202, Switzerland
| | - JilianA Sacks
- FIND, Campus Biotech, Building B, Level 0, Chemin des Mines 9, Geneva 1202, Switzerland
| | - Stefano Ongarello
- FIND, Campus Biotech, Building B, Level 0, Chemin des Mines 9, Geneva 1202, Switzerland
| | - Claudia M Denkinger
- Division of Infectious Disease and Tropical Medicine, Heidelberg University Hospital, Im Neuenheimer Feld 324, Heidelberg 69120, Germany; German Centre for Infection Research (DZIF), Partner Site Heidelberg University Hospital, Im Neuenheimer Feld 672, Heidelberg 69120, Germany.
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