Ovulation Inhibition
Conditions
Keywords
Oral Contraceptive, Ovulation Inhibition
Brief summary
The aim of the study is to investigate the ovulation inhibition of two 4-phasic oral contraceptive regimens.
Interventions
Estradiol valerate (EV) and dienogest (DNG) in a sequential 4-phasic regimen, EV 3, 2, and 1 mg and DNG 2 and 3 mg
Estradiol valerate (EV) and dienogest (DNG) in a sequential 4-phasic regimen, EV 3, 2, and 1 mg and DNG 3 and 4 mg
Sponsors
Study design
Eligibility
Inclusion criteria
* Healthy women willing to use non-hormonal methods of contraception
Exclusion criteria
* Women with any contraindication for oral contraceptive use, for example but not limited to: presence or history of venous or arterial thrombotic / thrombembolic events, hypertension, presence or history of severe hepatic disease
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Proportion of subjects with a Hoogland score of 5-6 (luteinized unruptured follicle [LUF] or ovulation) | Treatment cycles 2 and 3 |
Secondary
| Measure | Time frame |
|---|---|
| Measurements of endometrial thickness | Treatment cycles 2 and 3 |
| Visibility of cervical mucus | Treatment cycles 2 and 3 |
| Ovarian activity (Hoogland score) | Posttreatment cycle (only subjects from center 2)Treatment cycles 2 and 3 |
| Proportion of subjects with a Hoogland score of 5-6 (LUF or ovulation) | Treatment cycles 2 or 3 |
| Measurements of hormone levels (follicle-stimulating hormone [FSH], luteinizing hormone [LH], progesterone and estradiol) | Treatment cycles 2 and 3 |
| Compliance | Throughout whole study |
| Medical, surgical and medication history, concomitant medication, general physical and gynecological examination, cervical smear, pregnancy test, adverse events, safety laboratory determinations, cycle control, vital signs | Various timepoint throughout the study |
| Measurements of follicle size | Treatment cycles 2 and 3 |
Countries
Germany, Netherlands