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Could a yeast vaccine stop Cancer's return?

NCT ID NCT05952934

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Sep 16, 2026 · Updated 3 times

Summary

This study tests a vaccine made from candida (a type of yeast) to see if it can reduce the risk of head and neck cancer coming back. About 100 adults who have finished cancer treatment and are currently cancer-free will receive either the vaccine or a placebo over two years. The goal is to compare recurrence rates between the two groups.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Candin (candida therapeutic vaccine)
What this could lead to
If it works, this could offer a new way to lower the chance of head and neck cancer coming back after standard treatment.
What could go wrong
This is an early phase II trial with only 100 people, so results may not apply to everyone. The vaccine may not reduce recurrence and could cause side effects like injection site reactions.

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

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 100 people

The number the study aims to enrol. It can still change while the study runs.

Started

Feb 2024

Expected to finish

Jul 2032

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 100 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show 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: * Able to provide informed consent * Male or female 18 years of age or older * Squamous cell carcinoma of the head and neck who have completed curative therapy (surgery and/or radiation and/or chemotherapy and/or immunotherapy) within the 120 days prior to the screening visit * No Evidence of Disease (NED) based on clinical and radiographic evaluations * Willing and able to comply with the requirements of the protocol Exclusion Criteria: * Positive urine pregnancy test for women of childbearing potential * Being pregnant or attempting to be pregnant with the period of study participation * Women who are breast feeding or plan to breast feed within the period of study participation * Patients who are allergic to Candin® * If in the opinion of the PIs or other Investigators, it is not in the best interest of the patient to enter or continue in this study

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Conditions

The condition(s) this trial relates to.

head and neck squamous cell carcinoma Squamous Cell Carcinoma of Head and Neck

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.

  1. The places running it

    6 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • Highlands Oncology Group, PA

    RECRUITING

    Fayetteville, Arkansas, 72762, United States

  • Highlands Oncology Group, PA

    RECRUITING

    Rogers, Arkansas, 75758, United States

  • Highlands Oncology Group, PA

    RECRUITING

    Springdale, Arkansas, 72762, United States

  • Perlmutter Cancer Center at NYU Langone Health

    RECRUITING

    Mineola, New York, 11501, United States

  • Perlmutter Cancer Center at NYU Langone Health

    RECRUITING

    New York, New York, 10016, United States

  • University of Arkansas for Medical Sciences

    RECRUITING

    Little Rock, Arkansas, 72205, United States

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