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Polycystic Ovary Syndrome (PCOS): Effect Of Letrozole and Berberine

Letrozole and Berberine in Infertile PCOS Patients

Status
UNKNOWN
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01116167
Enrollment
660
Registered
2010-05-04
Start date
2009-10-31
Completion date
2013-12-31
Last updated
2013-05-20

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

Conditions

Polycystic Ovary Syndrome

Keywords

Polycystic Ovary Syndrome

Brief summary

Polycystic ovary syndrome (PCOS) is a heterogeneous disorder affecting almost4%-7% of the female population of reproductive age. Its heterogeneity is characterized by a wide spectrum of features, including ovulatory dysfunction and infertility, hyperandrogenism, hyperinsulinemia, insulin resistance (IR), and progression to type 2 diabetes.Since the Ming Dynasty in China,PCOS has been defined as phlegm and wetnessinfertility in traditional Chinese medicine ,namely metabolic infertility.Chinese herbs have been used to treat PCOS for thousands of years with good effects.Berberine has also been used for diabetic patients in traditional Chinese medicine for hundreds of years. Recent studies have reported its effects on hyperglycemia and dyslipidemia.The purpose of this study is to determine whether Letrozole combined with berberine are effective in the treatment of infertile PCOS patients.

Interventions

DRUGLetrozole -Berberine

Letrozole 2.5 mg letrozole daily from day 5 of the menses for 5 days for month 1 to 3, 5.0 mg letrozole daily from day 5 of the menses for 5 days for month 4 to 6. Berberine 1.5g daily for 6 month.

DRUGLetrozole

Letrozole 2.5 mg letrozole daily from day 5 of the menses for 5 days for month 1 to 3, 5.0 mg letrozole daily from day 5 of the menses for 5 days for month 4 to 6. Berberine Placebo 5 tablet tds for 6 months

DRUGBerberine

Berberine 1.5g daily for 6 month. Letrozole placebo 1 tablet daily from day 5 of the menses for 5 days for month 1 to 3, 2 tablets daily from day 5 of the menses for 5 days for month 4 to 6.

Sponsors

Ministry of Science and Technology of the People´s Republic of China
CollaboratorOTHER_GOV
Heilongjiang University of Chinese Medicine
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

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

Inclusion criteria

* Chinese women * Age between 20 and 40 years. * Confirmed diagnosis of PCOS according to the Rotterdam 2003 criteria (2 out of 3): 1. Oligo- or anovulation 2. Clinical and/or biochemical signs of hyperandrogenism 3. Polycystic ovaries and exclusion of other etiologies (congenital adrenal hyperplasia, androgen-secreting tumors, Cushing's syndrome) * At least one patent tube and normal uterine cavity shown by hysterosalpingogram, HyCoSi or diagnostic laparoscopy within three years. * Sperm concentration 20×106/mL and progressive motility (grades a and b) ≥50%.

Exclusion criteria

* Use of hormonal drugs or other medications including Chinese herbal prescriptions in the past 3 months. * Patients with known sever organ dysfunction or mental illness. * Pregnancy, post-abortion or postpartum within the past 6 weeks. * Breastfeeding within the last 6 months. * Not willing to give written consent to the study.

Design outcomes

Primary

MeasureTime frame
Live-birth rateUp to 2 years

Secondary

MeasureTime frame
Ongoing pregnancy rate at around gestation 8-10 weeksUp to 1 year
Multiple pregnancy rateUp to 1 year.
Miscarriage rate: loss of an intrauterine pregnancy before 20 completed weeks of gestationUp to 1 year
Other pregnancy complications such as early pregnancy loss, gestational diabetes mellitus, pregnancy-induced hypertension and birth of small-for-gestational-age (SGA) babies.Up to 1 year
Ovulation rateUp to 1 year
Changes in metabolic profile: glucose and insulin concentrations, cholesterol, triglycerides, high density lipoprotein (HDL-C) and low density lipoprotein (LDL-C)Up to 1 year
Changes in hormonal profile: Follicle-stimulating hormone (FSH), Luteinizing hormone (LH), total testosterone (T), Sex hormone-binding globulin (SHBG) and Dehydroepiandrosterone sulfate (DHEAS)Up to 1 year
Side effect.Up to 1 year
Infant outcomeUp to 1 year

Countries

China

Contacts

Primary ContactYan Li, MD.PhD.
liyantcm@163.com

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 10, 2026