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Scientists dig into the vaginal microbiome to unlock secrets of recurrent yeast infections

NCT ID NCT04930107

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at 120 Canadian women to understand why some get repeated yeast infections while others don't. Researchers will compare the vaginal yeast and bacteria of women with their first infection, those with recurrent infections, and those with yeast but no symptoms. Participants will receive standard treatments (fluconazole or boric acid) and be followed to see how their microbial communities change. The goal is to learn more about what causes recurrent infections and how treatments affect the vaginal environment.

What this could mean

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

Active substance
Fluconazole and boric acid
What this could lead to
If successful, this study could help explain why some women get repeated yeast infections and point to better treatment strategies.
What could go wrong
This is a very early, small observational study focused on understanding, not testing a new treatment. It may not lead to direct changes in care.

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

Early phase 1

The earliest testing in people: a first look at safety, in a very small group.

Participants

About 120 people

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

Started

Dec 2021

Expected to finish

Apr 2030

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 50 years

Sex

Female participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Female * Between ages of 18 and 50 years. Exclusion Criteria: * Currently pregnant * Trying to get pregnant * Have had a hysterectomy * BV infection

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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.

Contacts and locations

Locations

  • Health Science Centre (HSC)

    Winnipeg, Manitoba, R3A 1R9, Canada

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Other studies related to the condition(s) this trial covers.