Skip to content

Effect of Metformin on Patients With Polycystic Ovary Syndrome

Effect of Metformin Intervention on Patients With Polycystic Ovary Syndrome

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05802212
Enrollment
77
Registered
2023-04-06
Start date
2020-06-01
Completion date
2023-05-01
Last updated
2025-11-25

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

PCOS (Polycystic Ovary Syndrome) of Bilateral Ovaries

Brief summary

The purpose of the study is to understand the effect of Metformin on patients with PCOS.

Detailed description

This study aims to evaluate the effects of Metformin on reproductive endocrine and reproductive outcomes in women with PCOS, and to explore its underlying mechanisms to provide the intervention strategies for PCOS.

Interventions

DRUGMetformin intervention for 12 weeks

PCOS patients were treated with metformin orally for 12 weeks, and various indicators related to fertility were observed.

Sponsors

Peking University Third Hospital
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
BASIC_SCIENCE
Masking
NONE

Intervention model description

Volunteers with polycystic ovary syndrome without insulin resistance and intervened with metformin for 12 weeks

Eligibility

Sex/Gender
FEMALE
Age
20 Years to 40 Years
Healthy volunteers
No

Inclusion criteria

1. Individuals who are 20 to 40 years old, planning to become pregnant or infertile women. 2. Individuals who are diagnosed as PCOS according to the revised 2003 Rotterdam diagnostic criteria: if 2 out of 3 criteria are met: 1) Oligo- and/or anovulation; 2) Clinical and/or biochemical signs of hyperandrogenism; 3) Polycystic ovaries, and exclusion of other aetiologies (congenital adrenal hyperplasia, androgen-secreting tumors, Cushing's syndrome). 3. Individuals who can insist on continuous monitoring in the outpatient clinic. Individuals who are not participating in other research projects currently or 3 months before the intervention. 4. Volunteers with polycystic ovary syndrome without insulin resistance.

Exclusion criteria

1. Individuals who suffering from other diseases that may cause hyperandrogenism and ovulation abnormalities. 2. Individuals who are during pregnant, lactation or menopause. 3. Individuals who currently receiving weight-loss drugs or surgery or within the past 2 months. 4. Individuals who take niacin, nicotinamide, or other vitamin B3-related supplementation currently or within the past 2 months. 5. Individuals who need regular medication to treat chronic diseases such as diabetes, hypertension, gout, hyperuricemia, etc. 6. Use of medications that affect hormone levels, appetite, carbohydrate absorption, and metabolism within the past 2 months. 7. Individuals with severe liver diseases or kidney disease that are ineligible to participate in the study. 8. A medical history of severe cardiovascular and cerebrovascular diseases. 9. Individuals who currently suffer from severe gastrointestinal diseases or undergo gastrointestinal resection that may affect nutrient absorption. 10. Individuals who drink more than 15g of alcohol per day or have a smoking habit. 11. Individuals who need drug treatment for any mental illness such as epilepsy and depression. 12. Cancer patients. 13. Individuals who suffer from infectious diseases such as hepatitis B, active tuberculosis, AIDS, etc.

Design outcomes

Primary

MeasureTime frameDescription
Luteinizing hormone in serumbefore and after 2, 12 weeks of interventionChanges of luteinizing hormone(mIU/mL) in serum after the intervention.
4-Androstenedione in serumbefore and after 2, 12 weeks of interventionChanges of 4-Androstenedione(pmol/L) in serum after the intervention.

Secondary

MeasureTime frameDescription
Prolactin in serumbefore and after 2, 12 weeks of interventionChanges of prolactin(ng/mL) in serum after the intervention.
Follicle numberafter 12 weeks of interventionThe number of all antral follicles in each ovary will be determined using transvaginal ultrasonography for each participant.
Ovarian volumeafter 12 weeks of interventionThe size of each ovary will be determined using transvaginal ultrasonography for each participant in early follicular phase.
The alterations of plasma lipid metabolitesafter 12 weeks of interventionDetermination the alterations of lipid metabolites before and after metformin intervention by metabolomics.
Testosterone in serumbefore and after 2, 12 weeks of interventionChanges of testosterone(nmol/L) in serum after the intervention.
Blood sugar levelbefore and after 2, 12 weeks of interventionChanges in plasma glucose concentration after the intervention.
The alterations of secondary metabolites of gut fungi and bacteriaafter 12 weeks of interventionDetermination the alterations of secondary metabolites of gut fungi and bacteria before and after metformin intervention by metabolomics
The species and genus abundance changes of fungi and bacteria gut microbiota compositionbefore and after 2, 12 weeks of interventionDetermination the species and genus abundance changes of gut microbiota among before and after intervention by ITS genomic
Follicular stimulating hormone in serumbefore and after 2, 12 weeks of interventionChanges of follicular stimulating hormone(mIU/mL) in serum after the intervention.
Fasting insulinbefore and after 2, 12 weeks of interventionChanges in plasma insulin concentration after the intervention.
Estradiol in serumbefore and after 2, 12 weeks of interventionChanges of estradiol(pmol/L) in serum after the intervention.

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026