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Romera Martínez I, Avendaño-Solá C, Villegas Da Ros C, Bosch Llobet A, García Erce JA, González Fraile MI, Guerra Domínguez L, Vicuña Andrés I, Anguita Velasco J, González Rodríguez VP, Contreras E, Urcelay Uranga S, Pajares Herraiz ÁL, Jimenez-Marco T, Ojea Pérez AM, Arroyo Rodríguez JL, Pérez-Olmeda M, Ramos-Martínez A, Velasco-Iglesias A, Bueno Cabrera JL, Duarte RF. Factors related to the development of high antibody titres against SARS-CoV-2 in convalescent plasma donors from the ConPlas-19 trial. Vox Sang 2024; 119:27-33. [PMID: 37986640 DOI: 10.1111/vox.13561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 10/15/2023] [Accepted: 10/24/2023] [Indexed: 11/22/2023]
Abstract
BACKGROUND AND OBJECTIVES The efficacy of COVID-19 convalescent plasma (CP) associates with high titres of antibodies. ConPlas-19 clinical trial showed that CP reduces the risk of progression to severe COVID-19 at 28 days. Here, we aim to study ConPlas-19 donors and characteristics that associate with high anti-SARS-CoV-2 antibody levels. MATERIALS AND METHODS Four-hundred donors were enrolled in ConPlas-19. The presence and titres of anti-SARS-CoV-2 antibodies were evaluated by EUROIMMUN anti-SARS-CoV-2 S1 IgG ELISA. RESULTS A majority of 80.3% of ConPlas-19 donor candidates had positive EUROIMMUN test results (ratio ≥1.1), and of these, 51.4% had high antibody titres (ratio ≥3.5). Antibody levels decline over time, but nevertheless, out of 37 donors tested for an intended second CP donation, over 90% were still EUROIMMUN positive, and nearly 75% of those with high titres maintained high titres in the second sample. Donors with a greater probability of developing high titres of anti-SARS-CoV-2 antibodies include those older than 40 years of age (RR 2.06; 95% CI 1.24-3.42), with more than 7 days of COVID-19 symptoms (RR 1.89; 95% CI 1.05-3.43) and collected within 4 months from infection (RR 2.61; 95% CI 1.16-5.90). Male donors had a trend towards higher titres compared with women (RR 1.67; 95% CI 0.91-3.06). CONCLUSION SARS-CoV-2 CP candidate donors' age, duration of COVID-19 symptoms and time from infection to donation associate with the collection of CP with high antibody levels. Beyond COVID-19, these data are relevant to inform decisions to optimize the CP donor selection process in potential future outbreaks.
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Affiliation(s)
- Irene Romera Martínez
- Department of Hematology, Hospital Universitario Puerta de Hierro Majadahonda, Instituto de Investigación Sanitaria Hospital Puerta de Hierro-Segovia de Arana, Madrid, Spain
| | - Cristina Avendaño-Solá
- Department of Clinical Pharmacology, Hospital Universitario Puerta de Hierro Majadahonda, Instituto de Investigación Sanitaria Hospital Puerta de Hierro-Segovia de Arana, Madrid, Spain
| | | | | | - José Antonio García Erce
- Banco de Sangre y Tejidos de Navarra, Servicio Navarro de Salud, Osasunbidea, Pamplona, Spain
- Grupo Español de Rehabilitación Multimodal (GERM), Instituto Aragonés de Ciencias de la Salud, Zaragoza, Spain
- PBM Group, Hospital La Paz Institute for Health Research (IdiPAZ), Madrid, Spain
| | | | - Luisa Guerra Domínguez
- Department of Hematology, Hospital Universitario de Gran Canaria Doctor Negrín, Las Palmas, Spain
| | | | - Javier Anguita Velasco
- Department of Hematology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | | | | | | | | | | | | | | | - Mayte Pérez-Olmeda
- Laboratorio de Serología, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Madrid, Spain
- CIBERINFEC, ISCIII-CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain
| | - Antonio Ramos-Martínez
- Infectious Diseases Unit, Department of Internal Medicine, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain
| | - Ana Velasco-Iglesias
- Spanish Clinical Research Network (ISCIII), Instituto de Investigación Sanitaria Hospital Puerta de Hierro-Segovia de Arana, Madrid, Spain
| | - José Luis Bueno Cabrera
- Department of Hematology, Hospital Universitario Puerta de Hierro Majadahonda, Instituto de Investigación Sanitaria Hospital Puerta de Hierro-Segovia de Arana, Madrid, Spain
| | - Rafael F Duarte
- Department of Hematology, Hospital Universitario Puerta de Hierro Majadahonda, Instituto de Investigación Sanitaria Hospital Puerta de Hierro-Segovia de Arana, Madrid, Spain
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López-Pereira P, Sola Aparicio E, Vicuña Andrés I, Cámara Montejano C, Muñoz Calleja C, Alegre Amor A, Aguado Bueno B. Retrospective comparison between COBE SPECTRA and SPECTRA OPTIA apheresis systems for hematopoietic progenitor cells collection for autologous and allogeneic transplantation in a single center. J Clin Apher 2020; 35:453-459. [PMID: 32798328 DOI: 10.1002/jca.21826] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2019] [Revised: 07/22/2020] [Accepted: 07/23/2020] [Indexed: 12/22/2022]
Abstract
INTRODUCTION COBE SPECTRA [COBE] (Terumo, BCT Lakewood CO) apheresis system has been the most used device for hematopoietic progenitor cells (HPC) collection. Recently, it has been replaced by the SPECTRA OPTIA [OPTIA] (Terumo, BCT Lakewood CO) apheresis system. The aim of our study is to compare both methods for HPC collection. MATERIAL AND METHODS We retrospectively compared 302 HPC collection apheresis procedures (115 allogeneic donors and 187 autologous). The study cohort was divided according to the apheresis system used to analyze the differences between COBE and OPTIA, specifically efficacy of apheresis procedure and product characteristics. RESULTS OPTIA collections result in a higher CD34+ collection efficiency in both groups (autologous 45.3% vs 41%, P < .006; allogeneic 54.9% vs 45%, P < .0001). The total of CD34+ cells ×106 /kg recipient collected in the product were comparable in both groups (autologous 2.9 in OPTIA group vs 2.8 in COBE group, P = .344; allogeneic 6.2 in OPTIA group vs 5.8 in COBE group, P = .186). The percentage of platelet loss in autologous donors was significantly lower (35.7% vs 40.8%, P < .01). Regarding quality of the product, we observed a significantly lower hematocrit in products collected with OPTIA in both groups (1.8% vs 4%, P < .0001) as well as significantly lower amount of leukocytes (median 153.4 vs 237.2 × 109 /L in autologous, P < .0001; 239.5 vs 340.2 × 109 /L in allogeneic P < .0001). CONCLUSION Both apheresis systems are comparable in collection of hematopoietic progenitor cells, with significantly higher collection efficiency with the OPTIA system. Collection products obtained with OPTIA contain significantly lower hematocrit and leukocytes.
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Affiliation(s)
| | | | | | | | | | - Adrián Alegre Amor
- Hematology Department, Hospital Universitario La Princesa, Madrid, Spain
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