Compound · clinical trials

COVID-19 Vaccine clinical trials

Source: ClinicalTrials.gov, U.S. National Library of Medicine — the 5 trials in our USA, Australia and Norway registers that name COVID-19 Vaccine as an intervention. Synced 8 Nov 2026

5Current trials

3Recruiting now

5Lead sponsors

3Country registers

Maintained by Sreepriya Prasannan

MSc Digital Transformation of Life Sciences (Innopharma Education / Griffith College); MSc & BSc Botany HSE Spark Ignite 2026 — Top 14 finalist

Compiled from ClinicalTrials.gov registry records · Synced 8 Nov 2026 · Editorial standards

At a glance

COVID-19 Vaccine is named as an intervention in 5 current clinical trials in our USA, Australia and Norway registers. 3 are recruiting patients now. The most common phase is Observational. The sponsor with the most trials is Pfizer (1). The most-studied condition is COVID-19.

Patient leaflets for COVID-19 Vaccine

The package leaflet is the official guide for patients that comes with every medicine. These links go to the regulators that publish it.

UK
United Kingdom: Search MHRA Products
Patient information leaflets and SmPCs for UK-licensed products.
US
United States: Search DailyMed
FDA-approved labels, including patient and medication guides.

Leaflets differ between brands and countries; always read the one that comes with your own medicine. This is regulatory information, not medical advice.

Trials by status

Recruiting360%
Active, closed240%

Trials by phase

Observational240%
Phase 2120%
Phase 3120%
Phase 1120%

Clinical trials of COVID-19 Vaccine

5 trials

Study	Phase	Status	Lead sponsor	Registers
Immunosuppression and COVID-19 Boosters NCT05415267 · ClinicalTrials.gov ↗ · COVID-19	Phase 3	Recruiting	Kirby Institute	Australia
Covid-19 and Influenza Oral Vaccine Study NCT06355232 · ClinicalTrials.gov ↗ · covid19 Infection, Influenza, Human	Phase 1	Recruiting	Vaxine Pty Ltd	Australia
Comparison of the Immune Response to Natural COVID-19 Infection and Vaccination NCT04706390 · ClinicalTrials.gov ↗ · Covid19	Observational	Recruiting	University of Bergen	Norway
SARS-CoV-2 Vaccine (GEO-CM04S1) Versus mRNA SARS-COV-2 Vaccine in Patients With Blood Cancer NCT04977024 · COVID-19 Infection, Hematopoietic and Lymphoid System Neoplasm, Leukemia	Phase 2	Active, closed	GeoVax, Inc	USA
A Study to Look at the Health Outcomes of Patients With COVID-19 and Influenza NCT05160636 · COVID-19, Coronavirus Disease 2019, Influenza	Observational	Active, closed	Pfizer	USA

Registers list studies that are recruiting, about to open, active but closed to enrolment, or enrolling by invitation. The UK and USA registers cover industry-sponsored studies only. Trial titles and statuses are copied from the registry as published.

Conditions studied with COVID-19 Vaccine

10 conditions

COVID-192Coronavirus Disease 20191Influenza1COVID-19 Infection1Hematopoietic and Lymphoid System Neoplasm1Leukemia1 Lymphoma1Covid191covid19 Infection1Influenza, Human1

By country register

Register	Trials	Recruiting
Clinical trials in USA	2	0
Clinical trials in Australia	2	2
Clinical trials in Norway	1	1

A trial with sites in more than one country appears in each of those registers.

Related compounds

Questions about COVID-19 Vaccine trials

How many clinical trials are testing COVID-19 Vaccine?

5 current trials in our USA, Australia and Norway registers name COVID-19 Vaccine as a drug or biological intervention, as of the registry sync on 8 November 2026. Completed and withdrawn studies are not counted.

Are COVID-19 Vaccine trials recruiting patients?

Yes. 3 of the 5 trials are recruiting: 2 with sites in Australia and 1 with sites in Norway. Eligibility and site contacts are on each trial's record. Only the study team can confirm whether a patient is eligible.

Who sponsors COVID-19 Vaccine clinical trials?

Pfizer (1), GeoVax, Inc (1), University of Bergen (1) and Kirby Institute (1), among 5 lead sponsors in total. The number in brackets is how many trials each organisation leads.

Where does this information come from?

Every trial, status, phase and sponsor on this page is copied from public ClinicalTrials.gov records by a daily sync. Nothing here describes how COVID-19 Vaccine works or whether it is effective, and it is not medical advice.

How this page is built

Everything on this page is copied from public ClinicalTrials.gov registry records — it is not written from memory, and nothing here describes how COVID-19 Vaccine works or whether it is effective. Each trial links to its own record so you can check it yourself.

ClinicalTrials.gov (U.S. National Library of Medicine) ↗ Trial IDs, titles, intervention names and synonyms, phase, overall status, lead sponsor and conditions for every trial on this page

This page is built automatically: a daily sync job reads the registry records behind our country trial registers, collects every trial that lists COVID-19 Vaccine (or a registered synonym) as a drug or biological intervention, and tabulates the registry fields directly. Placebos and generic comparators are excluded. There is no AI drafting and no per-compound editorial pass, and the page has not been clinically reviewed. The “last verified” date above is the timestamp of that sync, not a review date. Our general editorial approach is described in our editorial standards and corrections policy. The ClinicalTrials.gov data on this page was last retrieved on 8 Nov 2026. How every register is built: methodology · fixes we have made: corrections log.

Please verify before you rely on this. This page is general information for life-science and pharmaceutical professionals. It is not medical advice, and it has not been reviewed by a clinician — our editorial team holds life-science qualifications, not clinical ones. It is not exhaustive and may not reflect the most recent label change. Always check the official prescribing information (US Prescribing Information or EU SmPC) and speak to your doctor or pharmacist before acting on anything here. Drugs in the same class are not automatically interchangeable, and approvals, brand names and indications differ between the US, the EU/Ireland (EMA/HPRA) and other regions. Spotted an error? Tell us — we correct promptly and log it.