Understanding T-cell Responses in Kidney Transplant Recipients After COVID-19 Vaccination
Author Information
Author(s): den Hartog Yvette, Malahe S. Reshwan K., Rietdijk Wim J. R., Dieterich Marjolein, Gommers Lennert, van Baarle Debbie, Diavatopoulos Dimitri A., Messchendorp A. Lianne, van der Molen Renate G., Remmerswaal Ester B. M., Bemelman Frederike J., Kho Marcia M. L., GeurtsvanKessel Corine H., Koopmans Marion P. G., Gansevoort Ron T., Hilbrands Luuk B., Sanders Jan-Stephan, Reinders Marlies E. J., Baan Carla C., de Vries Rory D.
Primary Institution: Erasmus MC Transplant Institute, University Medical Center Rotterdam
Hypothesis
What is the effect of different COVID-19 booster strategies on T-cell responses in kidney transplant recipients?
Conclusion
Booster vaccinations significantly increased antibody levels in kidney transplant recipients, but T-cell responses remained low compared to healthcare workers.
Supporting Evidence
- Booster vaccination increased seropositivity rates from 32% to 80% in KTRs after a single dose of mRNA-1273.
- T-cell responses remained low in KTRs compared to healthcare workers, with only 31% showing measurable IFN-γ production.
- IL-2 and IL-5 levels were strongly correlated with antibody responses in KTRs.
Takeaway
Kidney transplant patients need special attention when getting COVID-19 vaccines because their immune systems don't respond as well, but extra shots can help them make more antibodies.
Methodology
The study involved 88 kidney transplant recipients who received different COVID-19 booster vaccinations, and their antibody and T-cell responses were measured before and after vaccination.
Potential Biases
The study lacked data on breakthrough infections and did not match age and sex between groups.
Limitations
The study focused on patients with poor serological responses, which may not represent all kidney transplant recipients.
Participant Demographics
The cohort included 88 kidney transplant recipients with a mean age of around 62 years, with a mix of male and female participants.
Statistical Information
P-Value
p<0.0001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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