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Zhao M, Slotkin R, Sheth AH, Pischel L, Kyriakides TC, Emu B, McNamara C, Shi Q, Delgobbo J, Xu J, Marhoffer E, Mercer-Falkoff A, Holleck J, Ardito D, Sutton RE, Gupta S. Serum Neutralizing Antibody Titers 12 Months After Coronavirus Disease 2019 Messenger RNA Vaccination: Correlation to Clinical Variables in an Adult, US Population. Clin Infect Dis 2023; 76:e391-e399. [PMID: 35639598 PMCID: PMC9278145 DOI: 10.1093/cid/ciac416] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [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: 01/10/2022] [Revised: 05/12/2022] [Accepted: 05/20/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND We studied whether comorbid conditions affect strength and duration of immune responses after severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) messenger RNA vaccination in a US-based, adult population. METHODS Sera (before and after BNT162b2 vaccination) were tested serially up to 12 months after 2 doses of vaccine for SARS-CoV-2-anti-Spike neutralizing capacity by pseudotyping assay in 124 individuals; neutralizing titers were correlated to clinical variables with multivariate regression. Postbooster (third dose) effect was measured at 1 and 3 months in 72 and 88 subjects, respectively. RESULTS After completion of primary vaccine series, neutralizing antibody half maximal inhibitory concentration (IC50) values were high at 1 month (14-fold increase from prevaccination), declined at 6 months (3.3-fold increase), and increased at 1 month postbooster (41.5-fold increase). Three months postbooster, IC50 decreased in coronavirus disease (COVID)-naïve individuals (18-fold increase) and increased in prior COVID 2019 (COVID-19+) individuals (132-fold increase). Age >65 years (β = -0.94, P = .001) and malignancy (β = -0.88, P = .002) reduced strength of response at 1 month. Both neutralization strength and durability at 6 months, respectively, were negatively affected by end-stage renal disease ([β = -1.10, P = .004]; [β = -0.66, P = .014]), diabetes mellitus ([β = -0.57, P = .032]; [β = -0.44, P = .028]), and systemic steroid use ([β = -0.066, P = .032]; [β = -0.55, P = .037]). Postbooster IC50 was robust against WA-1 and B.1.617.2. Postbooster neutralization increased with prior COVID-19 (β = 2.9, P < .0001), and malignancy reduced neutralization response (β = -0.68, P = .03), regardless of infection status. CONCLUSIONS Multiple clinical factors affect the strength and duration of neutralization response after primary series vaccination, but not the postbooster dose strength. Malignancy was associated with lower booster-dose response regardless of prior COVID infection, suggesting a need for clinically guided vaccine regimens.
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Affiliation(s)
| | | | | | - Lauren Pischel
- Department of Medicine, Division of Infectious Diseases, Yale School of Medicine, New Haven, Connecticut, USA
- Yale School of Public Health, New Haven, Connecticut, USA
| | - Tassos C Kyriakides
- Department of Veterans Affairs Office of Research and Development, Cooperative Studies Program Coordinating Center, West Haven, Connecticut, USA
- Yale Center for Analytical Sciences, Yale School of Public Health, New Haven, Connecticut, USA
| | - Brinda Emu
- Department of Medicine, Division of Infectious Diseases, Yale School of Medicine, New Haven, Connecticut, USA
- Department of Medicine, Division of Infectious Diseases, Veterans Affairs Healthcare Systems of Connecticut, West Haven, Connecticut, USA
| | - Cynthia McNamara
- Department of Medicine, Veterans Affairs Healthcare Systems of Connecticut, West Haven, Connecticut, USA
- Department of Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Qiaosu Shi
- Department of Medicine, Division of Infectious Diseases, Yale School of Medicine, New Haven, Connecticut, USA
| | - Jaden Delgobbo
- Department of Medicine, Veterans Affairs Healthcare Systems of Connecticut, West Haven, Connecticut, USA
- University of Connecticut, Storrs, Connecticut, USA
| | - Jin Xu
- Department of Medicine, Veterans Affairs Healthcare Systems of Connecticut, West Haven, Connecticut, USA
- Department of Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Elizabeth Marhoffer
- Department of Medicine, Veterans Affairs Healthcare Systems of Connecticut, West Haven, Connecticut, USA
- Department of Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Aleagia Mercer-Falkoff
- Department of Medicine, Veterans Affairs Healthcare Systems of Connecticut, West Haven, Connecticut, USA
- Department of Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Jürgen Holleck
- Department of Medicine, Veterans Affairs Healthcare Systems of Connecticut, West Haven, Connecticut, USA
- Department of Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - David Ardito
- Department of Medicine, Veterans Affairs Healthcare Systems of Connecticut, West Haven, Connecticut, USA
| | - Richard E Sutton
- Department of Medicine, Division of Infectious Diseases, Yale School of Medicine, New Haven, Connecticut, USA
- Department of Medicine, Division of Infectious Diseases, Veterans Affairs Healthcare Systems of Connecticut, West Haven, Connecticut, USA
| | - Shaili Gupta
- Correspondence: S. Gupta, VA Connecticut Healthcare System, 950 Campbell Ave, Bldg 1, 5th floor, Mailstop 111a, West Haven, CT 06516 ()
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