Determination of Vaginal Colonization and the Effect of an Oral Probiotic (PROSALVAG) (PROSALVAG)

November 26, 2025 updated by: Fertypharm

Study to Determine Vaginal Colonization and Effect of an Oral Probiotic That Contains L.Rhamnosus, L. Plantarum and L. Crispatus in Women (PROSALVAG)

The aim of this study is to determine the efficacy of an oral nutraceutical with probiotics in restore vaginal health.

Study Overview

Detailed Description

After being informed about the study, all patients meeting the inclusion/exclusion criteria and giving written informed consent will receive a nutraceutical containing L. rhamnosus, L. plantarum and L. crispatus once daily.

Study Type

Interventional

Enrollment (Actual)

32

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Madrid
      • Alcalá de Henares, Madrid, Spain, 28801
        • HM Fertility Centter Vallés

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

35 years to 43 years (Adult)

Accepts Healthy Volunteers

Yes

Description

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

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Supportive Care
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: FertyBiotic Balance
Participants received FertyBiotic Balance one capsule a day
Lactobacillus rhamnosus BPL 205, Lactobacillus plantarum BPL207 and Lactobacillus crispatus BPL209

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Rectal and vaginal colonization
Time Frame: 10 weeks
Rectal and vaginal colonization will be evaluated by measuring massive sequencing of 16SrRNA gen
10 weeks

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Autoinmune capacity
Time Frame: 10 weeks
Autoinmune capacity will be evaluated by measuring plasma levels of IL-10, TNF- alpha and IL-10
10 weeks
Antioxidant effect
Time Frame: 10 weeks
Antioxidant will be evaluated by measuring Total Antioxidant Capacity (TAC) and Malondialdehyde
10 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

October 11, 2021

Primary Completion (Actual)

January 15, 2024

Study Completion (Actual)

May 28, 2024

Study Registration Dates

First Submitted

November 30, 2021

First Submitted That Met QC Criteria

December 14, 2021

First Posted (Actual)

January 4, 2022

Study Record Updates

Last Update Posted (Estimated)

December 4, 2025

Last Update Submitted That Met QC Criteria

November 26, 2025

Last Verified

July 1, 2025

More Information

Terms related to this study

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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