NCT05156086

Brief Summary

The current study is a noninterventional prospective study examining the efficacy of additional dosage of the coronavirus disease 2019 (COVID-19) vaccine in kidney transplant recipients (KTRs).

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
1,000

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Nov 2021

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 16, 2021

Completed
22 days until next milestone

First Submitted

Initial submission to the registry

December 8, 2021

Completed
6 days until next milestone

First Posted

Study publicly available on registry

December 14, 2021

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2022

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

November 8, 2022

Completed
Last Updated

December 15, 2021

Status Verified

December 1, 2021

Enrollment Period

9 months

First QC Date

December 8, 2021

Last Update Submit

December 14, 2021

Conditions

Outcome Measures

Primary Outcomes (2)

  • anti-SARS-CoV-2 IgG antibody seroconversion rate

    Seroconversion rate calculated from the anti-SARS-CoV-2 IgG antibody positivity difference before and after the booster shot

    1 month after booster vaccination

  • adverse event related to booster shot

    local and systemic adverse event related to the third dose of COVID-19 vaccine

    1 month after booster vaccination

Secondary Outcomes (6)

  • Rate of anti-SARS-CoV-2 IgG positivity after standard 2-doses of COVID-19 vaccine

    2week before booster vaccination

  • Rate of anti-SARS-CoV-2 IgG positivity after additional third doses of COVID-19 vaccine

    1 month after booster vaccination

  • Change in the quantitative amount of IgG after additional third doses of COVID-19 vaccine

    1 month after booster vaccination

  • Rate of neutralization antibody positivity after standard 2-doses of COVID-19 vaccine

    2week before booster vaccination

  • Rate of neutralization antibody after additional third doses of COVID-19 vaccine

    1 month after booster vaccination

  • +1 more secondary outcomes

Study Arms (1)

Kidney transplant recipients with booster

Patients who received kidney-only transplant or multi-organ transplant including kidney and fully vaccinated with standard dose(s) of messenger RNA (mRNA) or vector vaccine

Drug: COVID-19 vaccine, booster

Interventions

Additional dose of COVID-19 vaccine (booster shot)

Kidney transplant recipients with booster

Eligibility Criteria

Age12 Years+
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Kidney transplant recipients fully vaccinated with standard dose(s) of COVID-19 vaccination

You may qualify if:

  • Patients who received kidney-only transplantation or multi-organ transplantation including kidney before December 31, 2020
  • Patients ≥ 12 years old
  • Patients fully vaccinated with two standard doses of COVID-19 vaccination with the vector vaccine (AZD1222 of AstraZeneca) or the mRNA vaccines (BNT162b2 of Pfizer-BioNTech or mRNA-1273 of Moderna) including homologous and heterologous regimen.
  • Patients with plans of getting an additional dose of COVID-19 vaccine (i.e., booster shot)
  • Patients providing informed consent and willing to comply with the study protocol, including two blood tests and a survey.

You may not qualify if:

  • Patients with a previous history of SARS-CoV-2 infection
  • Who had B-cell depleting therapy (e.g., rituximab, bortezomib) or T-cell depleting therapy (anti-thymocyte globulin) within six months
  • Patients who restarted dialysis due to graft failure

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Seoul National University Hospital

Seoul, South Korea

RECRUITING

Biospecimen

Retention: SAMPLES WITHOUT DNA

serum

MeSH Terms

Interventions

COVID-19 vaccine booster shot

Central Study Contacts

Jongwon Ha, MD, PhD

CONTACT

Ahram Han, MD

CONTACT

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

December 8, 2021

First Posted

December 14, 2021

Study Start

November 16, 2021

Primary Completion

August 1, 2022

Study Completion

November 8, 2022

Last Updated

December 15, 2021

Record last verified: 2021-12

Locations