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Vaccine Response clinical trials and research
As of November 12, 2026, Find a Trial lists 3 Vaccine Response clinical trials that are recruiting, at sites in 2 countries (most in United States (2), Italy (1)). By phase: Phase 1 (1), Phase 4 (1). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 3Clinical trials
- 2Countries
Newest Vaccine Response clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Enhancing COVID-19 vaccine response in older adults with Thymalfasin | Phase 1 | Houston, Texas | Recruiting | Feb 11, 2025 |
| How kidney failure changes antibody responses to influenza and COVID vaccines | — | Milan and 2 other locations | Recruiting | Oct 10, 2024 |
| Understanding how long vaccines protect against infections | Phase 4 | Atlanta, Georgia and 2 other locations | Recruiting | Apr 6, 2023 |
All recruiting trials (3)
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Enhancing COVID-19 vaccine response in older adults with Thymalfasin
This study is testing if a medication called Thymalfasin can help older adults respond better to their COVID-19 booster shots.
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How kidney failure changes antibody responses to influenza and COVID vaccines
This project will see if adults on chronic dialysis make as much protective antibody after influenza or SARS‑CoV‑2 vaccination as people without kidney disease.
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Understanding how long vaccines protect against infections
This study is testing how long the protection from the yellow fever and flu vaccines lasts in people aged 18-50 to help improve future vaccines.
Related topics
Quick answers
How many Vaccine Response clinical trials are recruiting right now?
3, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 2 countries. The most sites are in United States (2 trials), Italy (1 trial). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 1: 1, Phase 4: 1. Trials with no phase listed are usually device, behavioural or observational studies.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.