About this trial
Does combined Cabergoline and letrozole increase ovulation rate What medical problems do participants have when taking drug Cabergoline and Letrozole ? Researchers will compare drug combination of Cabergoline and letrozole to letrozole alone to see combined cabergoline and letrozole works better as ovulation induction.
Participants will:
experimental group will receive Cabergoline and Letrozole comparator group will receive letrozole alone TVS Monitoring will be done for 3 cycle for ovarian response
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
PCOS patients diagnosed according to Rotterdam criteria.
Age: 18-35 years.
Primary or secondary subfertility.
Selected for ovulation induction.
Disqualifiers
Women suffered from PCOS like symptom ex. Late onset congenital adrenal hyperplasia, Cushing syndrome.
Serum prolactin (more than 50 ng/ml) (Kyritsi et al., 2018).
Male factor infertility.
Women with other infertility factors (endometriosis, PID,uterine & tubal causes of infertility).
Trial design
Parallel
Treatments tested in this trial
Letrozole 0.5mg
DrugTab. letrozole 5 mg/day at night from day 2 menstruation/withdrawal bleeding for 5 days for consecutive 3 cycles.
Cabergoline 0.5 mg
Combination productTab. cabergoline 0.5 mg 1 tablet at night, two dose at weekly interval (day 2 and day 9 of menstruation/withdrawal bleeding) plus Tab. letrozole 5 mg/day at night from day 2 of menstruation/withdrawal bleeding for 5 days for consecutive 3 cycles.
Treatment groups
Trial outcomes
Primary outcomes
Ovulation Rate
Ovulation will be diagnosed by presence of any one of following(Mandelbaum et al., 2024) * LH surge in ovulation predictor kit * Day 21 progesterone level ≥ 3 ng/dl * An appropriately timed menses in previously oligomenorrheic women * A positive pregnancy test
Secondary outcomes
Presence of preovulatory follicle on D12 of cycle
Preovulatory follicle will have mean diameter measuring ≥ 14 mm as detected on day 12of cycle folliculometry
Largest follicle size on D12 of cycle
The largest follicular diameter is measured by averaging the two maximum perpendicular internal diameters of the follicle.
Pregnancy
Pregnancy will be determined after missed period by serum β-hCG estimation. Serum β-hCG\> 5 mIU/mL is diagnosed as pregnancy \[ Atellica integrated clinical chemistry and immunoassay analyzer\].
Sponsors and contacts
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Mst.Sumyara Khatun
Lead sponsor
Bangladesh Medical University
Sponsor institution
Bangladesh Medical University
Collaborator