Actively Recruiting

Phase 4
Age: 18Years - 55Years
FEMALE
Healthy Volunteers
ID04771728

A Prospective, Randomized Controlled Study of Probiotics as Adjuvant Treatment with Metronidazole Vaginal Suppositories for Bacterial Vaginosis

Led by Peking University Shenzhen Hospital · Updated on 2025-06-12

140

Participants Needed

1

Research Sites

N/A

Total Duration

On this page

Sponsors

P

Peking University Shenzhen Hospital

Lead Sponsor

B

BGI, China

Collaborating Sponsor

AI-Summary

What this Trial Is About

Researchers are evaluating whether taking oral Probiotics called Umeta-mimi for 30 days combined with using Metronidazole vaginal suppositories for 7 days is better at preventing the return of bacterial vaginosis (BV) than using Metronidazole vaginal suppositories alone. This study also aims to understand how vaginal and intestinal bacteria relate by examining samples at several points during and after treatment. The study is a Phase 4, randomized controlled trial focused on women with BV. Participants are divided into two groups: one receives Metronidazole vaginal suppositories (200 mg, two capsules daily for 7 days) alone, and the other receives the same suppositories plus oral Probiotics (Umeta-mimi, 5 billion colony-forming units daily for 30 days). The study collects vaginal and fecal samples at baseline, 14 days after treatment, one month after treatment, and after the third and sixth menstrual cycles following treatment to analyze bacterial changes. During the study, women will attend visits for sample collection and evaluation of bacterial vaginosis status at specified times. Researchers measure the cure rate of BV 14 days after treatment and monitor recurrence up to the sixth menstruation after treatment. The total observation period extends through multiple menstrual cycles to assess long-term effects, with ongoing monitoring of vaginal and fecal microbiota.

CONDITIONS

Brief Title

A Prospective, Randomized Controlled Study of the Probiotics as Adjuvant Treatment for Bacterial Vaginosis

Who Can Participate

Age: 18Years - 55Years
FEMALE
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Aged 18 to 55 years old and sexually active
  • Diagnosed with bacterial vaginosis using Amsel criteria
  • Signed informed consent to participate
Not Eligible

You will not qualify if you...

  • History of systemic organic or psychiatric diseases
  • Currently pregnant, breastfeeding, or menstruating
  • Used antibiotics within 5 days before the study
  • Long-term use of contraceptives or immunosuppressants
  • Allergic to ingredients in the study drugs
  • No consistent sexual partner before and after treatment

AI-Screening

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person)

Treatment

Duration - 30 days

Participants receive Metronidazole vaginal suppositories for 7 days, with some also taking oral Probiotics (Umeta-mimi) for 30 days as part of the treatment for bacterial vaginosis.

1 baseline visit and 4 follow-up visits

Follow-up

Duration - Up to approximately 6 months after treatment

Participants are monitored for recurrence of bacterial vaginosis at multiple timepoints after treatment completion.

4 visits (14 days after treatment, 1 month after treatment, 5-7 days after third menstruation, and 5-7 days after sixth menstruation)

Trial Site Locations

Total: 1 location

1

Peking University Shenzhen Hosptal

Shenzhen, Guangdong, China, 518036

Actively Recruiting

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Research Team

S

Shangrong Fan, M.D.

Y

Yiheng Liang, M.D.

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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Published Research Related To This Trial

Orally administrated Lactobacillus gasseri TM13 and Lactobacillus crispatus LG55 can restore the vaginal health of patients recovering from bacterial vaginosis.

Fengyuan Qi, Shangrong Fan, Chao Fang...

https://pubmed.ncbi.nlm.nih.gov/37575226