MedTrace Logo

Intradermal COVID-19 Vaccination in the Immunocompromised

NCT05736913 · Status: UNKNOWN · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 130

Last updated 2023-03-08

No results posted yet for this study

Summary

COVID-19 is an infectious disease caused by SARS-CoV-2 virus, causing millions of deaths around the globe since the beginning of the pandemic. COVID-19 vaccination was proven to be effective at reducing both mortality and development of severe COVID-19 after infection. Vaccine-elicited protection is particularly important for immunocompromised patients, as they are more susceptible to infections with their defective immune response, for instance, previous review had suggested that patients with malignancies and recipients of solid organ transplants may be at increased risk of developing severe COVID-19 disease and even death.

To further complicate the scenario, there are two obstacles: firstly, immunocompromised individuals may have suboptimal response from vaccinations, as studies have shown that recipients of solid organ transplant have suboptimal or even are seronegative after the fourth dose booster vaccination . Secondly, with constant mutation of the SARS-CoV-2 viruses, new variants evolve over time, leading to reduction in vaccine efficacy and breakthrough infection in healthy individuals. Therefore, novel vaccine strategy should be considered to enhance the vaccine response in these immunocompromised individuals.

In this study, intradermal injection instead of intramuscular injection for vaccine delivery is proposed, as the investigators have observed improved immunogenicity and few adverse events from previous experience of influenza vaccination. The study aims to evaluate the immunogenicity, safety and tolerability of intradermal COVID-19 vaccination in immunocompromised patients.

Conditions

Interventions

BIOLOGICAL

ID BNT162b2 vaccine

intradermal BNT162b2 vaccine

BIOLOGICAL

IM BNT162b2 vaccine

intramuscular BNT162b2 vaccine

Sponsors & Collaborators

  • The University of Hong Kong

    lead OTHER

Principal Investigators

  • Ivan FN Hung, MD · The University of Hong Kong

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2021-04-01
Primary Completion
2023-03-31
Completion
2023-06-30

Countries

  • Hong Kong

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05736913 on ClinicalTrials.gov