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Antibody Response Before and After the Booster Dose of Inactivated Corona Vaccine in Antibody Deficient Patients Publisher



Movahedi M1 ; Movahedi M1 ; Parvaneh N1 ; Abolhassani H2, 3 ; Mahdavi M1 ; Mousavi Khorshidi MS1 ; Alizadeh F1 ; Shokri M4 ; Kalantari A5
Authors
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Authors Affiliations
  1. 1. Division of Allergy and Clinical Immunology, Pediatrics Center of Excellence, Children’s Medical Center Hospital, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Research Center for Primary Immunodeficiencies, Pediatrics Center of Excellence, Children’s Medical Center Hospital, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Division of Immunology, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden
  4. 4. Department of Pediatrics, Faculty of Medicine, Ilam University of Medical Sciences, Ilam, Iran
  5. 5. Department of Immunology and Allergy, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tehran, Iran

Source: Iranian Journal of Allergy# Asthma and Immunology Published:2024


Abstract

Patients with inborn errors of immunity (IEI) are among the high-risk groups regarding COVID-19. Receiving booster doses (third and fourth) in addition to the standard doses is recommended in these patients. This study investigated the antibody response before and after a booster dose of Sinopharm vaccine in IEI patients. Thirty patients (>12 years) with antibody deficiencies, referred to Imam Khomeini Hospital and Children's Medical Center in Tehran, were enrolled in this prospective cross-sectional study. All patients were fully vaccinated with the BBIBP-CorV vaccine (2 doses of Sinopharm). Initial measurements of anti-receptor-binding domain (anti-RBD) and anti-nucleocapsid (anti-N) IgG antibody responses were conducted by enzyme-linked immunosorbent assay (ELISA). Subsequently, all patients received a booster dose of the vaccine. Four to six weeks after booster injection, the levels of antibodies were re-evaluated. Twenty patients with common variable immunodeficiency (CVID), 7 cases with agammaglobulinemia and 3 patients with hyper IgM syndrome were studied. Anti-RBD IgG and anti-N IgG antibodies increased in all patients after the booster. Our results indicated the need of receiving booster doses of the COVID-19 vaccine in patients with antibody deficiencies, even for enhancing humoral immune response specially in patients with CVID. © 2024 Tehran University of Medical Sciences. All rights reserved.
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