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Comparison of the effect of COCs and vitamin D-COCs on ovulatory dysfunction Bleeding in reproductive age women

Comparative of the effect of Combined oral contraceptive pills (COCs) and vitamin D - COCs on Ovulatory dysfunction bleeding (AUB-O) in reproductive age women : A triple blind randomized controlled clinical trial

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20110606006709N22
Enrollment
60
Registered
2021-02-24
Start date
2021-02-19
Completion date
Unknown
Last updated
2021-04-26

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

Conditions

Ovulatory dysfunction bleeding. Other specified abnormal uterine and vaginal bleeding

Interventions

Intervention 1: Control group: LD capsules (containing 30 micrograms of ethinyl estradiol and 150 micrograms of levonorgestrel), 21 tablets with 9 placebo capsules daily, one for three cycles. Interve

Sponsors

Tabriz University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 45 Years

Inclusion criteria

Inclusion criteria: Women 18-45 years old Have at least 2-3 months of history of excessive, long and irregular bleeding (lack of regular cycle 28-35, bleeding more than 7 days or heavy) Have a phone number to follow up.

Exclusion criteria

Exclusion criteria: Pregnancy Any cervical abnormality including cervical cancer, infection, trauma or polyp and uterine causes including: leiomyoma, infection, polyp, endometrial hyperplasia, endometrial neoplasia, cancer or the presence of a foreign body based on the patient's statement and medical records. Having any kind of severe psychological stress such as: separation of parents, death of first-degree family members, etc. in the last 6 months. Having any kind of systemic diseases, such as: thyroid disease (hypothyroidism and hyperthyroidism), adrenal glands, liver, kidney and blood disorders (von Willebrand disease, idiopathic thrombocytopenic purpura, and leukemia) based on the patient's statement and medical records. Daily and regular intake of vitamin D supplements for the past three months. Taking medications that affect the menstrual cycle and bleeding, such as: oral hormonal contraceptives, anticoagulants, serotonin inhibitors, antipsychotics, corticosteroids, hormonal supplements, phenytoin, or herbal supplements such as soy and ginseng. Having premenstrual syndrome. Have any absolute or relative contraindications to the use of combined contraceptive pills, including breast cancer, endometrial cancer, liver disease, deep vein thrombosis, smoking in people 35 years and older, cardiovascular disease, history of stroke, Diabetes, hypertension, migraine, hyperlipidemia, conditions requiring complete immobility, inflammatory bowel disease, major depression, and epilepsy require medication.

Design outcomes

Primary

MeasureTime frame
Menstrual bleeding rate. Timepoint: Before the intervention, one month, two months and three months after the start of the intervention, after the end of the intervention. Method of measurement: Higham Questionnaire.;Number of menstrual bleeding days. Timepoint: Before the intervention, one month, two months and three months after the start of the intervention, after the end of the intervention. Method of measurement: Calendar.

Secondary

MeasureTime frame
The duration of the menstrual cycle. Timepoint: Before the intervention, one month, two months and three months after the start of the intervention, after the end of the intervention. Method of measurement: Calendar.;Quality of life score. Timepoint: Before the intervention, after the end of the intervention. Method of measurement: SF-36 questionnaire.;Side effects. Timepoint: The first, second and third months after the start of the intervention. Method of measurement: Side effects questionnaire.;Satisfaction of treatment. Timepoint: after the end of the intervention. Method of measurement: Patient Satisfaction Questionnaire.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactMahdis Goodarzvand Chegini

Tabriz University of Medical Sciences

mahdis.chegini71@gmail.com+98 41 4226 3582

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026