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Vaginal Microbiome clinical trials

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NCT ID: NCT06356012 Not yet recruiting - Biomarkers Clinical Trials

Clinical Outcome and Biomarkers for Predicting Immunological Response in Patients Treated With Imiquimod

Start date: April 2, 2024
Phase: Phase 4
Study type: Interventional

The goal of this clinical trial is to identify the immunophenotypic profile of the local immune response, the cervicovaginal microenvironment and the microbiological profile of women with CIN 3 treated with imiquimod. Participants will be divided in 3 groups: CIN 3 who will use 16 doses of imiquimod in the uterine cervix, applied twice a week and will be treated with LEEP procedure; 2) patients with CIN 3 who will undergo standard treatment with LEEP procedure; 3) patients with negative cytology and HPV (human papillomavirus) test. Blood and cervicovaginal lavage collections will be performed at different times, for comparisons between cellular response profiles to imiquimod during treatment and baseline levels in healthy patients.

NCT ID: NCT06053697 Recruiting - Preterm Birth Clinical Trials

Is the Vaginal Microbiome and Metabolome Associated With Spontaneous Preterm Birth (sPTB) in Multiple Pregnancies?

SPRUCE
Start date: July 5, 2022
Phase:
Study type: Observational

The aim of this study is to try and find links between the microscopic organisms (such as bacteria, yeasts and viruses) in the vagina, and twin pregnancies that deliver too early (preterm birth). Being born earlier than expected (preterm birth) happens in over half of twin pregnancies with 1 in 10 sets of twins delivering before 32 weeks gestation. Sometimes, when birth happens very early, babies can be at risk of serious harm including damage to the brain, lungs and bowel - all of which can result in life changing disabilities. How severe these problems are is related to how early they are born. Unfortunately, tests used to find women at risk of preterm birth have only been proven to work when the woman is carrying one baby, not twins, and at present no treatment has been shown to be effective in stopping a twin pregnancy from delivering early. Preventing twins from being born too early is therefore a target for research by the NHS and patient groups including the James Lind Alliance. It is normal for every woman to have microscopic organisms (such as bacteria, yeasts and viruses) in the vagina. New interest has been shown at looking closely at these organisms during pregnancy. These organisms can change and may be related to the number of weeks a woman will go into labour, however to date all research on this has been conducted in pregnancies with only one baby. We want to explore these organisms in twin pregnancies; taking swabs from the vagina at 16- and 28-weeks of your pregnancy, along with at the time of birth. Information will be gathered on the organisms present in the vagina (both of women that deliver too early and those that deliver on time), hoping this information will help us understand why preterm birth happens and help predict the chances of preterm labour in twin pregnancies. By identifying specific organisms linked with preterm birth, we also hope to be able to guide new targets for treatments to prevent preterm birth in twins in future. Due to the small number of twin pregnancies, measurements of how 'stiff' the neck of the womb (cervix) are along with blood samples will be taken. Research has shown that there may be links with how stiff the neck of the womb is and premature birth as well as markers within the blood that may help us predict preterm birth that are yet to be discovered. This will provide the foundations for a future research study.

NCT ID: NCT05666778 Active, not recruiting - Bacterial Vaginosis Clinical Trials

Single Arm Trial of Menstrual Cups Among Economically Vulnerable Women to Reduce Bacterial Vaginosis and STIs

POWWERHealth
Start date: February 13, 2023
Phase: Phase 2
Study type: Interventional

HIV remains a global pandemic with 37 million infected. In western Kenya, 16% of women in the general population and 29% of the poorest women have HIV. The HIV and sexually transmitted infection (STI) epidemics overlap with broader reproductive health concerns. Menstrual hygiene management is a big problem in low- and middle-income countries and a lack of menstrual products negatively impacts women's work-life. This comes from cultural taboos, stigma, and discrimination, promoting secrecy around menstruation, high cost of menstrual products, use of traditional materials (e.g. rags, cotton wool, etc.) causing leakage and odor, and lack of water and safe hygiene facilities. Menstrual cups designed for use during sex may help women prevent Bacterial vaginosis (BV) and STIs through hygienic period practices, and may help them avoid bad practices in an attempt to maintain vaginal dryness. The goal of this interventional trial is to test the impact of menstrual cups on vaginal microbiome, BV, and STIs of poor women at high risk for STIs and HIV. We predict to see 25% less BV, our primary outcome, over one year. This trial aims to learn more about the safety of the intervention, and understand what is needed to fully implement the program.

NCT ID: NCT05510622 Recruiting - Vaginal Microbiome Clinical Trials

Uterine Microbiome in Recurrent Pregnancy Loss

Start date: December 12, 2022
Phase:
Study type: Observational

The female genital tract microbiome may reflect female reproductive health and may be related to pregnancy outcomes. Disturbances in this microbiome may be associated with adverse reproductive outcomes. The investigators hypothesize that the endometrial and vaginal microbiome composition in women with a history of recurrent pregnancy loss are different, compared with those in normal fertile women.

NCT ID: NCT05383326 Completed - Vaginal Microbiome Clinical Trials

Longitudinal Analysis of the Vaginal Microbiome

Start date: July 7, 2022
Phase:
Study type: Observational

This is a longitudinal, observational study with the goal of understanding vaginal microbiome changes both within a single day and across a menstrual cycle. The study will be composed of at least 10 women that have regular menstrual cycles and are 18 years of age or older. This study is direct to participant and will NOT utilize clinical sites.

NCT ID: NCT05000112 Not yet recruiting - Vaginal Microbiome Clinical Trials

Vaginal Microbiome-host Interaction in Mesh Exposure After TVM Surgery

Start date: September 2021
Phase:
Study type: Observational

Transvaginal pelvic mesh implantation(TVM) is a foreign body implantation operation with intraoperative colonization of vaginal bacteria. However, the vaginal microbiome-host interaction and its influence in the mechanism of mesh exposure after TVM remains unclear. This study will enroll post-TVM patients with and without mesh exposure and use their vaginal swabs to perform TRACE-seq and cytokine analysis. The microbiome-host interactions related with mesh exposure and the changes in protein expression will be analyzed.

NCT ID: NCT04855006 Completed - Transplantation Clinical Trials

Transplantation of Vaginal Mikrobiome

DyscoverII
Start date: June 1, 2021
Phase: N/A
Study type: Interventional

Vaginal dysbiosis is a common condition among women. Vaginal dysbiosis covers imbalances in the vaginal flora, caused by the composition of microbes, bacteria, viruses and fungi. Dysbiosis occurs in about 16% of all women in Denmark. A large proportion of women who have vaginal dysbiosis do not experience any symptoms. However, vaginal dysbiosis can present challenges in several contexts, including a higher tendency for bacterial infections in the female genitals, lower chances of pregnancy in women undergoing fertility treatment, just as it can predispose to premature birth. This project is aimed at women aged 18-40, who wants to participate in a study to investigate whether, by transplanting vaginal secretion from one woman with a normal vaginal bacterial flora to another woman with an imbalance in the vaginal bacterial flora (called vaginal dysbiosis), can establish a normal vaginal bacterial flora in the recipient of the transplant. The study will also explore weather genetic, immunological, hormonal, metabolic, health behaviors and clinical factors have significance on whether a normal vaginal flora is achieved after transplantation.

NCT ID: NCT04489056 Recruiting - Vaginal Microbiome Clinical Trials

Microbiome in Preterm Birth

Start date: July 27, 2020
Phase:
Study type: Observational

The aims of this prospective longitudinal case-control pilot-study are (1) to characterize the changes of the vaginal, uterine and placental microbiome in pregnant women experiencing pPROM with immediate hospitalization and consecutive caesarean section at preterm, in comparison to uneventful term births with elective cesarean section, as well as (2) to evaluate the influence of the maternal on the neonatal microbiome and the early neonatal outcome in pPROM preterm cases, in comparison to uneventful term births. The first aim will be achieved by collecting vaginal and rectal swabs for microbiome analysis in women experiencing pPROM, followed by uterine and placental swabs that are collected during the caesarean section. Control samples will be collected at the same time points from women undergoing elective caesarean section at term. The second aim will be achieved by microbiome analysis of rectal, oral/buccal, and skin swabs taken from newborns that are either born preterm after pPROM, or at term, both by caesarean section.

NCT ID: NCT04471116 Completed - Vaginal Microbiome Clinical Trials

Influence of Probiotics on the Vaginal Microbiota

Start date: March 30, 2018
Phase: N/A
Study type: Interventional

The study aims to assess the influence of a probiotic supplement (OMNi-BiOTiC® FLORA plus +) on the vaginal microbiome composition of women suffering from infertility.

NCT ID: NCT04446611 Recruiting - Pregnancy Clinical Trials

Clinical Study of STI Screening to Prevent Adverse Birth and New-born Outcomes

Start date: March 29, 2021
Phase: N/A
Study type: Interventional

This study aims to evaluate different screening strategies to decrease the burden of Neisseria gonorrhoeae (NG), Chlamydia trachomatis (CT) and Trichomonas vaginalis (TV) among pregnant women, and reduce adverse birth outcomes. In turn it aims to evaluate the cost per pregnant woman screened and treated, cost of adverse birth outcomes, and cost-effectiveness per sexually transmitted infection (STI) and disability-adjusted life-year (DALY) averted. Furthermore, this study will incorporate a vaginal microbiome sub-study aimed to investigate the relationship between the vaginal microbiome and persistent Chlamydial infections in pregnant women. Aim 1 and 2: The intervention includes diagnostic testing at a woman's first antenatal care visit using the Xpert® platform with same-day treatment for Neisseria gonorrhoeae, Chlamydia trachomatis and Trichomonas vaginalis infection with either a test-of-cure three weeks post-treatment (arm 1) or a repeat test at 30-34 weeks gestation (arm 2) compared to the standard of care, i.e. syndromic management (arm 3). Aim 3: Case-control study to investigate role vaginal microbiome in STI treatment outcomes