Clinical trials: Ovarian Function
Obesity
Effects of Estrogen Deficiency on Energy Expenditure
Menopause is associated with weight gain, but the reasons why are not clear. In this study, the investigators will determine if reducing estrogen levels causes a decrease in the ability of the body to produce heat.
- Trial name
- NCT01846728
- Testing
- Estrogen suppression
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Cognitive Impairment, Executive Dysfunction
Vascular Mechanisms for the Effects of Loss of Ovarian Hormone Function on Cognition in Women
Complaints about memory and thinking are common in women as they go through menopause and estrogen levels fall. The ovarian hormone estrogen is important for supporting normal cognitive function, and changes in brain activity and…
- Conditions
- Cognitive Impairment, Executive Dysfunction, Endothelial Dysfunction, Cardiovascular Disease
- Trial name
- NCT02122198
- Testing
- Leuprolide acetate, Estradiol, Medroxyprogesterone
- Where
- 2 sites in United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Weight Loss, Anovulation
Evaluation of Ovarian Morphology and Function in Overweight Women During Weight Loss
The objective of this study is to explore the effects of weight loss on body composition, metabolic status, reproductive hormones, and ovarian follicle development in obese women with regular menstrual cycles versus obese women…
- Conditions
- Weight Loss, Anovulation, Amenorrhea, Infertility
- Trial name
- NCT01785719
- Testing
- Commercial Weight Loss Program
- Where
- United States
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- Cornell University
Polycystic Ovary Syndrome
Theca Cell Function in Women With Polycystic Ovary Syndrome (PCOS)
The mechanism for increased androgen production in women with polycystic ovary syndrome (PCOS) is not well understood. Excess androgen production by the ovary is stimulated by increased pituitary luteinizing hormone (LH)…
- Trial name
- NCT00747617
- Testing
- recombinant human chorionic gonadotropin
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Contraception
A Dose-Finding Study to Evaluate Ovarian Function and Vaginal Bleeding in Next Generation Rings (P06109/MK-8175A/MK-8342B-012)
The primary objective of this trial was to identify at least one next generation ring (NGR) that demonstrates inhibition of ovulation (which was considered confirmed if in the subset of participants ovulation was observed in less…
- Trial name
- NCT01709318
- Testing
- Nomegestrol acetate (NOMAC), Etonogestrel (ENG), Ethinyl estradiol (EE)
- Volunteers
- 666 people, healthy volunteers welcome
- Sponsor
- Organon and Co
Contraception
Effects on Ovarian Function of the Combined Oral Contraceptive NOMAC-E2 Compared to a COC Containing DRSP/EE (292003)(COMPLETED)(P05723)
The primary purpose of this study is to evaluate the effects of the nomegestrol acetate-estradiol (NOMAC-E2) combined oral contraceptive (COC) on ovarian function.
- Trial name
- NCT00511433
- Testing
- NOMAC-E2, DRSP-EE
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Organon and Co
Obesity
Females, Aging, Metabolism, and Exercise
This study is designed to determine whether a reduction in hormones (such as occurs during menopause) causes a decrease in calories burned during physical activity.
- Trial name
- FAME (NCT01712230)
- Testing
- GnRH agonist, Supervised cardiovascular exercise
- Where
- United States
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Polycystic Ovary Syndrome
Study of Brain Function in Women With Insulin Resistant Polycystic Ovary Syndrome
The purpose of this study is to evaluate the effects of insulin resistance on brain function in women with Polycystic Ovary Syndrome (PCOS).
- Trial name
- NCT00670800
- Testing
- Metformin
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Cognitive Impairment, RRSO
IMProving Executive Function Study
This is a double-blind, placebo-controlled, crossover study testing whether Vyvanse (lisdexamfetamine; LDX) improves executive functioning (EF) in 100 postmenopausal women who report onset of EF difficulties after oophorectomy.
- Trial name
- IMPRES (NCT03187353)
- Testing
- Lisdexamfetamine
- Where
- United States
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania