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Impact of Immunosuppression Adjustment on COVID-19 Vaccination Response in Kidney Transplant Recipients

Active Not RecruitingPhase 4

Sponsor: University of California, Davis

Conditions: COVID-19, Immunosuppression, Vaccine Response Impaired

Interventions: Reduction in antimetabolite immunosuppression

Countries: United States

Immunocompromised individuals, such as solid organ transplant (SOT) recipients are at high risk of COVID-19 associated complications and mortality. Retrospective studies so far have shown that a majority of SOT recipients did not develop appreciable anti-spike antibody response after a first, second, or even third dose of mRNA vaccine. Treatment with antimetabolites was associated with poor vaccine response. The goal of this study is 1) examine whether transient immunosuppression reduction improves the immune response to a third dose of SARS-CoV-2 mRNA vaccine in kidney transplant recipients and 2) to assess the safety of immunosuppression reduction before and after third dose SARS-CoV-2 mRNA vaccination.

Eligibility overview

Sex: ALL

Age: 18 Years to —

Healthy volunteers: No

Study type: INTERVENTIONAL

Eligibility criteria

Inclusion Criteria:

* Participant is willing and able to give informed consent for participation in the study
* First or repeat kidney transplant recipient
* Negative or low positive antibody titer on SARS-CoV-2 antibody assay
* On a mycophenolate or azathioprine based immunosuppressive regimen
* \> 6 months post-transplant

Exclusion Criteria:

* Pregnancy
* Contraindication to SARS-CoV-2 vaccination (severe allergic reactions or anaphylaxis)

Locations (1)

Sacramento, California, United States