Eligibility Module

Eligibility Module

The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.

Eligibility Module path is as follows:

Study -> Protocol Section -> Eligibility Module

Eligibility Module


Ignite Creation Date: 2025-12-25 @ 3:55 AM
Ignite Modification Date: 2025-12-25 @ 3:55 AM
NCT ID: NCT03868202
Eligibility Criteria: Inclusion Criteria: Premenopausal (Age 20-30): 1. Age between 20 - 30 years old 2. Not on oral, transdermal or vaginal hormonal contraception with last use greater than 2 months (non-hormonal IUD okay) 3. At least 6 weeks after removal of subdermal contraceptive implant 4. At least 9 months from the last hormonal contraceptive injection 5. Regular menses with a 26-32 day interval 6. Willingness to abstain from heterosexual intercourse or use barrier contraception during the study 7. No serious medical illness 8. Not on medication(s) effecting ovarian function 9. Screening ultrasound on cycle day 12-14 with at least 1 follicle measuring \>12mm. 10. Normal pap smear within the last 3 years, if indicated (report needed) Postmenopausal (Age 45-60): 1. Age between 45-60 years old 2. Last spontaneous menstrual period \>1 year 3. Vaginal pH \> 5.0 4. No contraindications to hormonal replacement therapy 5. No major medical condition/current medication(s) that would impact use of hormone replacement therapy 6. Never have been on hormone replacement therapy or last use greater than 6 months 7. Mammogram within the last 1 year that is normal (report needed) 8. Pap smear within the last 3-5 years that is normal (report needed) 9. Willing to use hormone replacement therapy Exclusion Criteria: Premenopausal (Age 20-30): 1. Uncorrected endocrinopathy affecting ovarian function (i.e.: Prolactinoma, thyroid disease) 2. Medications affecting the hypothalamic-pituitary-ovarian axis. 3. Screening ultrasound with no follicles measuring ≥11 mm 4. History of pelvic surgery 5. Current abnormal pap smear requiring intervention Postmenopausal (Age 45-60): 1. Last menstrual period \<1 year 2. Contraindication to hormone replacement therapy 3. Use of exogenous hormone replacement therapy in the last 6 months 4. Significant medical disease or current medication use that can impact estrogen metabolism 5. Unwilling or unable to use transdermal estrogen and oral progestin. 6. Allergy to transdermal estrogen and oral progestin. 7. Unexplained vaginal bleeding within the last 6 months.
Healthy Volunteers: True
Sex: FEMALE
Minimum Age: 20 Years
Maximum Age: 55 Years
Study: NCT03868202
Study Brief:
Protocol Section: NCT03868202