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Humoral immune response after post‐chemotherapy booster diphtheria–tetanus–pertussis vaccine in pediatric oncology patients
Author(s) -
Cheng Frankie Wai Tsoi,
Leung Ting Fan,
Chan Paul Kay Sheung,
Lee Vincent,
Shing Ming Kong,
Chik Ki Wai,
Yuen Patrick Man Pan,
Li Chi Kong
Publication year - 2009
Publication title -
pediatric blood and cancer
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.116
H-Index - 105
eISSN - 1545-5017
pISSN - 1545-5009
DOI - 10.1002/pbc.21792
Subject(s) - medicine , diphtheria , tetanus , booster dose , immune system , immunology , oncology , vaccination , immunization
Background The role of post‐chemotherapy booster vaccination in pediatric oncology children remains to be established. In this randomized controlled study, we studied the effect of immune responses to diphtheria–tetanus–pertussis (DTP) booster vaccination in children 6 months after completing chemotherapy. Methods Children 1–18 years old with chemotherapy completed for 6 months (baseline) were eligible. Subjects were randomized into vaccine and control group. In the former, three doses of DTP vaccine (Aventis Pasteur Inc., Lyon, France) were administered. IgG antibody titers against diphtheria, tetanus, pertussis, hepatitis B, measles, mumps, and rubella antibodies were measured serially in vaccine and control groups. Subsets of circulating lymphocytes (CD3 + , CD4 + , CD8 + , CD19 + , and CD16/56 + ) were quantified by flow cytometry using fluorescence‐labeled monoclonal antibodies. Results Fifty‐six children (28 vaccinees; 28 controls) were enrolled. Protective antibody levels against diphtheria, tetanus, pertussis were found at baseline in 83.6%, 96.5%, 96.1% of them respectively. After three doses of DTP, all vaccinees demonstrated a sustain rise in antibody levels and the antibody titers were significantly higher than control group. 35.8% of subjects were susceptible to measles mumps and rubella infection and 69% showed anti‐HBs antibody titer less than protective level up to 18 months after stopping chemotherapy. Conclusions Post‐chemotherapy booster vaccinations produced a strong and sustained effect in humoral immunity against vaccine‐preventable infectious diseases. Pediatr Blood Cancer 2009;52:248–253. © 2008 Wiley‐Liss, Inc.

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