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1H NMR- based metabolomics approaches as non-invasive tools for diagnosis of endometriosis A Comparative Study of Blood Levels of Manganese, Some Macroelements and Heavy Metals in Obese and Non-Obese Polycystic Ovary Syndrome Patients A Comparative Study of the Gut Microbiota Associated With Immunoglobulin a Nephropathy and Membranous Nephropathy A comparative study of the gut microbiota in immune-mediated inflammatory diseases-does a common dysbiosis exist? A comprehensive analysis of breast cancer microbiota and host gene expression A comprehensive analysis of breast cancer microbiota and host gene expression A cross-sectional analysis about bacterial vaginosis, high-risk human papillomavirus infection, and cervical intraepithelial neoplasia in Chinese women A cross-sectional pilot study of birth mode and vaginal microbiota in reproductive-age women A metabonomics approach as a means for identification of potentialbiomarkers for early diagnosis of endometriosis A More Diverse Cervical Microbiome Associates with Better Clinical Outcomes in Patients with Endometriosis: A Pilot Study A Multi-Omic Systems-Based Approach Reveals Metabolic Markers of Bacterial Vaginosis and Insight into the Disease A New Approach to Polycystic Ovary Syndrome: The Gut Microbiota A Review of the Anti-inflammatory Properties of Clindamycin in the Treatment of Acne Vulgaris A Systematic Review and Meta-Analysis of Premenstrual Syndrome with Special Emphasis on Herbal Medicine and Nutritional Supplements. Adherence to the Mediterranean Diet, Dietary Patterns and Body Composition in Women with Polycystic Ovary Syndrome (PCOS)
vaginal microbiome transplant vmt

Did you know?
Vaginal Microbiome Transplant (VMT) is a relatively new and experimental procedure, with the first documented case only reported in 2019. Despite its novelty, data suggest it could revolutionize the treatment of persistent and recurrent bacterial vaginosis, a condition that affects millions of women worldwide and often resists traditional treatments.

Vaginal Microbiome Transplant (VMT)

Researched by:

  • Karen Pendergrass ID
    Karen Pendergrass

    User avatarKaren Pendergrass is a microbiome researcher specializing in microbiome-targeted interventions (MBTIs). She systematically analyzes scientific literature to identify microbial patterns, develop hypotheses, and validate interventions. As the founder of the Microbiome Signatures Database, she bridges microbiome research with clinical practice. In 2012, based on her own investigative research, she became the first documented case of FMT for Celiac Disease—four years before the first published case study.

Fact-checked by:

  • Kimberly Eyer ID
    Kimberly Eyer

    User avatarKimberly Eyer, a Registered Nurse with 30 years of nursing experience across diverse settings, including Home Health, ICU, Operating Room Nursing, and Research. Her roles have encompassed Operating Room Nurse, RN First Assistant, and Acting Director of a Same Day Surgery Center. Her specialty areas include Adult Cardiac Surgery, Congenital Cardiac Surgery, Vascular Surgery, and Neurosurgery.

April 21, 2025

Vaginal Microbiome Transplant (MT) involves transferring healthy vaginal flora from a donor to a recipient to treat conditions like recurrent bacterial vaginosis. It aims to restore balance in the vaginal microbiome, potentially offering a non-pharmacological treatment option for persistent gynecological disorders.

research-feed Research feed

Researched by:

  • Karen Pendergrass ID
    Karen Pendergrass

    User avatarKaren Pendergrass is a microbiome researcher specializing in microbiome-targeted interventions (MBTIs). She systematically analyzes scientific literature to identify microbial patterns, develop hypotheses, and validate interventions. As the founder of the Microbiome Signatures Database, she bridges microbiome research with clinical practice. In 2012, based on her own investigative research, she became the first documented case of FMT for Celiac Disease—four years before the first published case study.

Fact-checked by:

  • Kimberly Eyer ID
    Kimberly Eyer

    User avatarKimberly Eyer, a Registered Nurse with 30 years of nursing experience across diverse settings, including Home Health, ICU, Operating Room Nursing, and Research. Her roles have encompassed Operating Room Nurse, RN First Assistant, and Acting Director of a Same Day Surgery Center. Her specialty areas include Adult Cardiac Surgery, Congenital Cardiac Surgery, Vascular Surgery, and Neurosurgery.

Last Updated: April 20, 2024

Microbiome Signatures identifies and validates condition-specific microbiome shifts and interventions to accelerate clinical translation. Our multidisciplinary team supports clinicians, researchers, and innovators in turning microbiome science into actionable medicine.

Karen Pendergrass

Karen Pendergrass is a microbiome researcher specializing in microbiome-targeted interventions (MBTIs). She systematically analyzes scientific literature to identify microbial patterns, develop hypotheses, and validate interventions. As the founder of the Microbiome Signatures Database, she bridges microbiome research with clinical practice. In 2012, based on her own investigative research, she became the first documented case of FMT for Celiac Disease—four years before the first published case study.

Overview

Vaginal Microbiome Transplant (VMT) is a novel therapeutic approach that involves the transfer of vaginal microbiota from a healthy donor to a recipient experiencing specific gynecological conditions linked to dysbiosis (an imbalance in the microbial community). This procedure mirrors the concept of Fecal Microbiota Transplantation (FMT), used in treating recurrent Clostridioides difficile infections by restoring healthy intestinal flora. VMT represents a potentially groundbreaking advancement in treating vaginal health issues linked to microbiome dysbiosis such as endometriosis. While promising, it requires careful consideration regarding clinical applications, safety standards, and ethical implications. For clinicians and patients considering this treatment, staying informed on the latest research and clinical guidelines is crucial. Understanding the role of the microbiome in health and disease can provide valuable insights into the future applications of VMT.

Overview of the Vaginal Microbiome

The vaginal microbiome is predominantly composed of Lactobacillus species in healthy individuals, which play a crucial role in maintaining vaginal health. These bacteria produce lactic acid, lowering the pH of the vagina to around 4.0-4.5, which helps inhibit the growth of pathogenic organisms. Dysbiosis can lead to conditions such as bacterial vaginosis (BV), which is characterized by a decrease in Lactobacillus and an increase in more diverse anaerobic bacteria.

Indications for VMT

VMT is primarily researched as a treatment for recurrent bacterial vaginosis (BV), which is often marked by persistent symptoms and high rates of recurrence despite standard antibiotic treatments. Chronic BV has been associated with significant morbidity, including increased risks of sexually transmitted infections (STIs), urinary tract infections, and complications during pregnancy.

The Process of VMT

In Vaginal Microbiome Transplant procedures, rigorous donor screening is crucial to prevent pathogen transfer, involving extensive tests for sexually transmitted infections, vaginal pathogens, and other infections. Once a donor is cleared, vaginal microbiota are collected using a sterile swab or a similar medical device specifically designed for this purpose. The collected microbiota are then transferred to the recipient using a method that might vary but generally includes techniques used in intra-vaginal medication delivery, such as the application of a tampon, or gel. This ensures that the microbiota are introduced into the recipient’s vaginal environment in a controlled and safe manner.

Considerations

Research on VMT is still in the early stages, with a few clinical trials and studies exploring its safety and efficacy. Initial results have been promising, particularly for recurrent BV, showing symptoms and microbiota composition improvements. However, more extensive and long-term studies are needed to understand the potential and limitations of this treatment fully. As with any medical treatment involving the transfer of biological material, there are potential risks, including the transfer of infectious agents and the possibility of unexpected immune reactions.

Research Feed

Possible Therapeutic Mechanisms and Future Perspectives of Vaginal Microbiota Transplantation
May 29, 2023
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The study reviewed Vaginal Microbiome Transplant (VMT) as a treatment for dysbiotic vaginal microbiomes, particularly for recurrent bacterial vaginosis. It discussed the potential of restoring a healthy microbiota dominated by Lactobacillus through VMT. Initial clinical trials showed promising results, with a significant recovery rate among participants. The findings suggest VMT could become a crucial non-pharmacological option for managing and potentially curing conditions linked to vaginal microbiome imbalances, enhancing gynecological and possibly broader systemic health.

What was studied?

The study explored the therapeutic mechanisms and future perspectives of Vaginal Microbiota Transplantation (VMT). It focused on transferring healthy vaginal microbiota from a donor to recipients with dysbiotic vaginal microbiomes to restore normal microbial composition and function.

 

Who was studied?

The study didn’t involve direct experimentation on individuals. Instead, it reviewed existing research and clinical trials regarding VMT, particularly looking at cases involving recipients with recurrent bacterial vaginosis treated via VMT.

 

What were the most important findings?

Key findings highlighted VMT’s potential effectiveness in treating recurrent bacterial vaginosis, with a significant portion of the patients achieving recovery. The study emphasized the role of healthy Lactobacillus-dominated microbiota in restoring vaginal health, though noting the small sample sizes and uncontrolled designs of current studies.

 

What are the greatest implications of this study?

The greatest implications include the potential of VMT as a non-invasive, microbiota-based therapy for managing and potentially curing bacterial vaginosis and similar conditions caused by dysbiosis of the vaginal microbiome. This could lead to advancements in gynecological health treatments, reducing reliance on traditional pharmacological interventions and possibly affecting systemic health conditions linked to vaginal microbiota.

Endometriosis

Endometriosis involves ectopic endometrial tissue causing pain and infertility. Validated and Promising Interventions include Hyperbaric Oxygen Therapy (HBOT), Low Nickel Diet, and Metronidazole therapy.

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