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Can a probiotic pill restore vaginal balance? new study explores
NCT ID NCT05176535
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether an oral probiotic supplement could help restore healthy bacteria in the vagina. It included 32 women aged 35-43 with vaginal imbalance and fertility concerns. Researchers measured how well the probiotic colonized the body and its effects on immune and antioxidant markers.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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32 people
The number who actually took part.
- Started
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Oct 2021
- Finished
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May 2024
- 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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35 to 43 years
- Sex
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Female participants only
- 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: 35-43 years old * Vaginal pH \> 4,5 and low Lactobacillus count or Nugent score of 4-6 * With interest in getting pregnant and ideally in IVF waiting list * History of recurrent genitourinary infections Exclusion Criteria: * Any pathology that interferes with the study * Current intake of food supplements or probiotics * Current intake of contraceptives * Use of oral or vaginal probiotics in the last 6 months * Hypersensitivity to any of the components of the studied product * Current vaginal infection * Pregnant women * Breastfeeding * Use of intrauterine device * Use of spermicide * Use of cervical caps as hormonal therapy
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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
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HM Fertility Centter Vallés
Alcalá de Henares, Madrid, 28801, Spain
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Other studies related to the condition(s) this trial covers.
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