Androgen Effects on the Reproductive Neuroendocrine Axis, 2025 Version
NCT07092527 · Status: RECRUITING · Phase: PHASE4 · Type: INTERVENTIONAL · Enrollment: 80
Last updated 2026-01-15
Summary
This research study investigates whether male-level exogenous androgens inhibit the reproductive neuroendocrine axis in otherwise healthy (non-PCOS) females.
Conditions
- Transgenderism
- Reproductive Issues
Interventions
- DRUG
-
Testosterone Cypionate 50 milligrams per millileter (mg/mL) Injectable Solution
Participants in the initiating group will receive weekly doses of testosterone for gender-affirming care.
Sponsors & Collaborators
-
National Institutes of Health (NIH)
collaborator NIH -
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
collaborator NIH -
University of California, San Diego
lead OTHER
Principal Investigators
-
Antoni Duleba, MD · University of California, San Diego
Study Design
- Allocation
- NON_RANDOMIZED
- Purpose
- BASIC_SCIENCE
- Masking
- NONE
- Model
- PARALLEL
Eligibility
- Min Age
- 18 Years
- Max Age
- 35 Years
- Sex
- FEMALE
- Healthy Volunteers
- Yes
Timeline & Regulatory
- Start
- 2025-12-05
- Primary Completion
- 2028-11-15
- Completion
- 2028-11-30
- FDA Drug
- Yes
Countries
- United States
Study Locations
More Related Trials
-
Testosterone Gel Applied to Women With Pituitary Gland Problems
NCT00144391 ·Status: COMPLETED ·Phase: PHASE4
-
Metabolic Effects of Androgenicity in Aging Men and Women
NCT00680797 ·Status: COMPLETED ·Phase: NA
-
Pubertal Blockade and Hormone Therapy in Transgender Youth
NCT03557268 ·Status: COMPLETED
-
Baseline Sexual Function, Cognitive Function, Body Composition and Muscle Parameters and Pharmacokinetics of Transdermal Testosterone Gel in Women With Hypopituitarism
NCT00144404 ·Status: WITHDRAWN
-
Impact of Exogenous Estrogens on Cotisol Levels During Synacthen Stimulation
NCT05302726 ·Status: UNKNOWN ·Phase: NA
-
Effect of Androgel on Type 2 Diabetic Males With Hypogonadism
NCT00350701 ·Status: COMPLETED ·Phase: PHASE4
-
Efficacy, Pharmacokinetics and Safety of Testosterone
NCT01370369 ·Status: COMPLETED ·Phase: PHASE2
-
Study of Serum Testosterone Levels in Non-dosed Females After Secondary Exposure
NCT00998933 ·Status: COMPLETED ·Phase: PHASE1
-
TDSM- Testosterone Dose Response in Surgically Menopausal Women
NCT00494208 ·Status: COMPLETED ·Phase: NA
-
Pharmacokinetic Evaluation of Testosterone Gel (1%)
NCT00193700 ·Status: COMPLETED ·Phase: PHASE1
-
Effect of Hormone Therapy on Renal Function
NCT04482920 ·Status: COMPLETED
-
Study of Serum Testosterone and Nestorone in Females After Secondary Exposure to Nestorone ® (NES) + Testosterone (T) Combined Gel Applied to Shoulders and Upper Arms in Males
NCT02994602 ·Status: COMPLETED ·Phase: PHASE1
-
Androgen Receptor, Implications for Health and Wellbeing: Natural History Study of Individuals With Androgen Insensitivity
NCT04708431 ·Status: RECRUITING
-
Long-term Safety Study of Intramuscular Injections of 750 mg and 1000 mg Testosterone Undecanoate in Hypogonadal Men
NCT00467870 ·Status: COMPLETED ·Phase: PHASE3
-
Effects of Testosterone Gel on Carbohydrate and Lipid Metabolism In Elderly Obese Men
NCT00365794 ·Status: COMPLETED ·Phase: PHASE2
-
Efficacy and Safety of Oral Testosterone Undecanoate in Hypogonadal Men
NCT03198728 ·Status: COMPLETED ·Phase: PHASE3
-
An Open-Label Study of 50 Mg Oral Testosterone Undecanoate (Kyztrex) in Menopausal Women with Low Testosterone and HSDD
NCT06082817 ·Status: NOT_YET_RECRUITING ·Phase: PHASE2
-
An Open-Label Study of Serum Testosterone Levels in Non-dosed Females After Secondary Exposure to Testosterone Gel 1.62% Applied to the Upper Arms and Shoulders and Use of a T-shirt Barrier
NCT01130298 ·Status: COMPLETED ·Phase: PHASE1
-
Pharmacokinetics, Pharmacodinamic and Safety of Testosterone Gel 1%
NCT02667561 ·Status: WITHDRAWN ·Phase: PHASE1
-
Subcutaneous Testosterone Project
NCT02229617 ·Status: COMPLETED ·Phase: PHASE1/PHASE2
-
Single Dose, Dose-Ranging Study of 11-β Methyl Nortestosterone Dodecylcarbonate (11β-MNTDC) in Healthy Men
NCT02754687 ·Status: COMPLETED ·Phase: PHASE1
-
Effect of Varying Testosterone Levels on Insulin Sensitivity in Normal and IHH Men
NCT00470990 ·Status: COMPLETED ·Phase: NA
-
Oral T7 Oral Testosterone in Man
NCT00842751 ·Status: COMPLETED ·Phase: PHASE2
-
Hormone Replacement Therapy to Treat Turner Syndrome
NCT00013546 ·Status: COMPLETED ·Phase: PHASE2
-
28-Day Repeat-Dose, Dose Escalation Study of 11-β Methyl Nortestosterone Dodecylcarbonate (11β-MNTDC) in Healthy Men
NCT03298373 ·Status: UNKNOWN ·Phase: PHASE1