New mRNA vaccine targets Epstein-Barr virus in first human trial
NCT ID NCT07557602
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This early-stage trial is testing a new mRNA vaccine called VXCO-102 against Epstein-Barr virus (EBV) in 45 healthy adults aged 18 to 25. The main goal is to check if the vaccine is safe and triggers an immune response. EBV is a common virus that can cause mononucleosis and is linked to some cancers, so a successful vaccine could have a big impact.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- VXCO-102 (mRNA vaccine targeting Epstein-Barr virus)
- What this could lead to
- If successful, this could pave the way for a vaccine to prevent EBV infection, which is linked to mononucleosis and certain cancers.
- What could go wrong
- This is an early Phase 1 trial with only 45 participants, so it is primarily testing safety, not effectiveness. The vaccine may not produce a strong immune response or could cause side effects.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 45 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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May 2026
An estimate. Start dates often move.
- Expected to finish
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Aug 2027
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 25 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Aged 18 to 25 years, inclusive * Healthy per medical assessment based on self-reported medical history, physical examination, vital signs, and laboratory assessment Exclusion Criteria: * Self-reported or medically-documented significant medical or psychiatric condition that per medical assessment could interfere with study participation * Likely or confirmed myocarditis or pericarditis * Prior receipt of an investigational EBV vaccine * Prior receipt of a licensed vaccine within 56 days prior to Day 1 * Received more than 10 days of any systemic immunosuppressants or cytotoxic medications within 56 days prior to Day 1, any within 14 days prior to Day 1, or will need immunosuppressants at any time during the study. * For participants of childbearing potential: pregnant, breastfeeding or planning to become pregnant during the study Note: Other inclusion and exclusion criteria apply.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
2 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Nucleus Network Pty Ltd
Melbourne, Victoria, 3004, Australia
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Q-Pharm Pty Ltd/Nucleus Network Pty Ltd
Herston, Queensland, 4006, Australia
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a nanoparticle vaccine stop the virus behind mono and some cancers?
- Which EBV test is most accurate? study puts three automated assays Head-to-Head
- New drug duo takes on stubborn Epstein-Barr virus
- New EBV vaccines enter human safety trials
- Scientists hunt for genetic clues to severe viral infections