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Polycystic Ovary SyndromeNCT01573377

Efficacy of Metformin and Diane-35 on PCOS Patients,a Randomized, Controlled, Prospective Clinical Trial

A study testing Metformin and Ethinylestradiol and Cyproterone Acetate in people with Polycystic Ovary Syndrome and Insulin Resistance, run by Chongqing Medical University at 1 site in China.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Polycystic ovary syndrome (PCOS) is one of the most common endocrinopathies in reproductive-age women, and it affects 5-7% of this group. It is characterized by disturbed menstrual cycle, ovulatory dysfunction and hyperandrogenism. Read more about this study

Who is it for?
Ages 18 to 35 years, women only
Conditions the study is for
Polycystic Ovary Syndrome, Insulin Resistance
What is being tested?
Metformin and Ethinylestradiol and Cyproterone Acetate
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
40 participants
Where
1 siteChina
Study dates
Feb 2012to Feb 2013
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 35 years
  • Women only
  • No healthy volunteers
  • Adult

Who may be able to join

  • with at least two of the following features : (i) oligo-amenorrhea or chronic anovulation; (ii) clinical and/or biochemical hyperandrogenism; (iii) ultrasound appearance of polycystic ovaries

Who cannot join

  • other known causes of hyperandrogenemia and ovulatory dysfunction, including 21-hydroxylase deficiency, congenital adrenal hyperplasia, Cushing's syndrome, androgen-secreting tumors, thyroid disease, and hyperprolactinemia.
  • use of hormone medications (including oral contraceptives) within the past month and the use of medicines that affect insulin sensitivity (e.g., metformin or thiazolidinediones) within the past three months

Trial locations and contacts

1 site in 1 country.

China1 site
  • The First Affiliated Hospital of Chongqing Medical University

    Chongqing, Chongqing Municipality, 400016

Other trials in China

About this study

Polycystic ovary syndrome (PCOS) is one of the most common endocrinopathies in reproductive-age women, and it affects 5-7% of this group. It is characterized by disturbed menstrual cycle, ovulatory dysfunction and hyperandrogenism. Over 40% of PCOS women might become the patients with impaired glucose tolerance or type 2 diabetes. It has been confirmed that insulin resistance (IR) is a common feature in PCOS and adipokines might play roles in the pathogenesis of IR and PCOS, because these adipokines have wide-ranging effects on carbohydrate and lipid metabolism.

The present clinical trial intends to compare the effects of metformin and oral contraceptives on PCOS patients, focusing on the insulin sensitivity, ovulation, and menstrual cycle etc. The investigators also aim to study the effects of metformin on serum adipokine levels(such as pigment epithelium-derived factor, progranulin etc.)in PCOS patients.

Being tested
Metformin, Ethinylestradiol and Cyproterone Acetate
Keywords
polycystic ovary syndrome, insulin resistance
Medical subject headings
Polycystic Ovary Syndrome, Insulin Resistance

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • MetforminDrug

    Also called Glucophage

    425mg bid for morning and evening after meals, one week after treatment, increase the dosage to 850 mg bid. If the patients have side effects such as nausea, diarrhea and other gastrointestinal symptoms, the dose would be reduced to 425mg bid for 1 week, and try the dosage to 425mg tid again, until the maximum tolerated dose.

  • Ethinylestradiol and Cyproterone AcetateDrug

    Also called Diane-35

    from the first day of bleeding of the menstrual cycle, daily oral administration of one pill for 21 days consecutively, then stopped taking the pill for seven days, and on the eighth day to start taking the pill again.

Study groups in NCT01573377
Study groupRoleWhat they receive
metforminExperimental425mg bid for morning and evening after meals, one week after treatment, increase the dosage to 850 mg bid. If the patients have side effects such as nausea, diarrhea and other gastrointestinal symptoms, the dose would be reduced to 425mg bid for 1 week, and try the dosage to 425mg tid again, until the maximum tolerated dose.
Receives: Drug: Metformin
Ethinylestradiol and Cyproterone AcetateExperimentalFrom the first day of the menstruation, oral administration of one pill daily for 21 days consecutively, then discontinue using the pill for seven days, and on the eighth day, restart taking the pill.
Receives: Drug: Ethinylestradiol and Cyproterone Acetate

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. the efficacy of Metformin and Diane-35

    Ovulation,Menstrual cycle,Insulin sensitivity

    Measured: at 12 weeks

Secondary outcomes (1)
  1. changes of adipokine(PEDF,GPRN,etc)levels from baseline

    changes of adipokine(PEDF,GPRN,etc)levels from baseline

    Measured: at 12 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted9 Apr 2012 (estimated)
  2. Study startFeb 2012
  3. Primary completionFeb 2013
  4. Study completionFeb 2013

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
40 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01573377
Sponsor's protocol ID
PCOS-Qifu Li
Status last verified
Dec 2013
First submitted
5 Apr 2012
Last updated
30 Dec 2013
Results posted
No
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A study testing Metformin and Ethinylestradiol and Cyproterone Acetate in people with Polycystic Ovary Syndrome and Insulin Resistance, run by Chongqing Medical University at 1 site in China.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 1 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 30 Dec 2013. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

the efficacy of Metformin and Diane-35 (time frame: at 12 weeks). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 30 Dec 2013.

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