Comparison of immunogenicity and safety between a single dose and one booster trivalent inactivated influenza vaccination in patients with chronic kidney disease: A 20-week, open-label trial

Yu Tzu Chang, Tsai Chieh Ling, Ya Yun Cheng, Chien Yao Sun, Jia Ling Wu, Ching Hui Tai, Jen Ren Wang, Junne Ming Sung

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Non-dialysis-dependent chronic kidney disease (CKD-ND) patients are recommended to receive a one-dose influenza vaccination annually. However, studies investigating vaccine efficacy in the CKD-ND population are still lacking. In this study, we aimed to evaluate vaccine efficacy between the one-dose and two-dose regimen and among patients with different stages of CKD throughout a 20-week follow-up period. Methods: We conducted a single-center, non-randomized, open-label, controlled trial among patients with all stages of CKD-ND. Subjects were classified as unvaccinated, one-dose, and two-dose groups (4 weeks apart) after enrollment. Serial changes in immunological parameters (0, 4, 8, and 20 weeks after enrollment), including seroprotection, geometric mean titer (GMT), GMT fold-increase, seroconversion, and seroresponse, were applied to evaluate vaccine efficacy. Results: There were 43, 84, and 71 patients in the unvaccinated, one-dose, and two-dose vaccination groups, respectively. At 4-8 weeks after vaccination, seroprotection rates in the one- and two-dose group for H1N1, H3N2, and B ranged from 82.6- 95.8%, 97.4-100%, and 73.9-100%, respectively. The concomitant seroconversion and GMT fold-increases nearly met the suggested criteria for vaccine efficacy for the elderly population. Although the seroprotection rates for all of the groups were adequate, the seroconversion and GMT fold-increase at 20 weeks after vaccination did not meet the criteria for vaccine efficacy. The two-dose regimen had a higher probability of achieving seroprotection for B strains (Odds ratio: 3.5, 95% confidence interval (1.30-9.40)). No significant differences in vaccine efficacy were found between early (stage 1-3) and late (stage 4-5) stage CKD. Conclusions: The standard one-dose vaccination can elicit sufficient protective antibodies. The two-dose regimen induced a better immune response when the baseline serum antibody titer was low. Monitoring change in antibody titers for a longer duration is warranted to further determine the current vaccine strategy in CKD-ND population.

Original languageEnglish
Article number192
Pages (from-to)1-15
Number of pages15
JournalVaccines
Volume9
Issue number3
DOIs
Publication statusPublished - 2021 Mar

All Science Journal Classification (ASJC) codes

  • Immunology
  • Pharmacology
  • Drug Discovery
  • Infectious Diseases
  • Pharmacology (medical)

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