ClinicalTrials.Veeva

Menu

Exploratory Clinical Study on the Efficacy and Safety of Lactobacillus Johnsonii in the Treatment of Patients with Premature Ovarian Insufficiency

Zhejiang University logo

Zhejiang University

Status

Not yet enrolling

Conditions

Premature Ovarian Insufficiency

Treatments

Other: Placebo
Dietary Supplement: Lactobacillus johnsonii

Study type

Interventional

Funder types

Other

Identifiers

NCT06866990
2024-1343

Details and patient eligibility

About

The goal of this clinical trial is to explore the effectiveness and safety of Lactobacillus johnsonii in improving ovarian function and perimenopausal symptoms in patients with premature ovarian insufficiency (POI). The main questions it aims to answer are: ① To explore the effectiveness and safety of Lactobacillus johnsonii in improving ovarian function and perimenopausal symptoms in patients with POI; ② To explore the potential mechanism of action of Lactobacillus johnsonii in improving ovarian function and perimenopausal symptoms in patients with POI. Participants who meet all the inclusion criteria will be enrolled in the study and randomly assigned in a 1:1 ratio to either the Lactobacillus johnsonii group or the placebo group.

Enrollment

60 estimated patients

Sex

Female

Ages

20 to 39 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Age between 20 and 39 years;
  2. Irregular menstruation or amenorrhea for > 4 months;
  3. At least two serum baseline follicle-stimulating hormone (FSH) levels > 25 IU/L (with an interval of more than 4 weeks between measurements);
  4. Willing to voluntarily participate in this study, sign the informed consent form, and comply with the investigation and follow-up;
  5. Not having participated in other clinical trials within the past 3 months.

Exclusion criteria

  1. Use of antibiotics or probiotics, prebiotics, and live bacterial preparations within the past month or during the intervention period;
  2. Received hormone replacement therapy within the past 2 months;
  3. Chromosomal abnormalities and genetic defects;
  4. Iatrogenic premature ovarian insufficiency;
  5. Stage IV endometriosis;
  6. Uncontrolled endocrine diseases or autoimmune diseases;
  7. Organic gastrointestinal diseases;
  8. Infectious diseases of the reproductive, urinary, or digestive systems;
  9. Severe cardiovascular, respiratory, renal, hematologic, endocrine, neurological, psychiatric, or other systemic diseases that the investigator believes may interfere with the study evaluation;
  10. History of venous thromboembolism;
  11. Allergic or intolerant to the components of the investigational probiotic product;
  12. Allergic to two or more types of food/medications;
  13. Refusal to provide written informed consent;
  14. Other conditions deemed unsuitable for participation in the study by the investigator.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

60 participants in 2 patient groups, including a placebo group

Lactobacillus johnsonii
Experimental group
Description:
Participants receive Lactobacillus johnsonii
Treatment:
Dietary Supplement: Lactobacillus johnsonii
Placebo
Placebo Comparator group
Description:
Participants receive placebo.
Treatment:
Other: Placebo

Trial contacts and locations

0

Loading...

Central trial contact

Liangjing Wang

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2026 Veeva Systems