About this trial
To evaluate the effect of estradiol with or without a prior gonadotropin releasing hormone analogue on insulin sensitivity and vascular function in transgender females compared to cisgender controls.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Identify as a transgender female
Age 13-16 years at the time of enrollment
If on a gonadotropin releasing hormone analogue, > 6 months exposure
Plan to start estradiol clinically in < 4 months
Disqualifiers
Cognitive, psychiatric, or physical impairment resulting in inability to tolerate the study procedures
Antipsychotic medication use
Type 1 or 2 diabetes (by medical history)
Polycystic ovarian syndrome (PCOS for cisgender females)
Trial population
Transgender and cisgender adolescents
Trial design
Cohort
Prospective
Treatments tested in this trial
Not listed
Trial groups
Trial outcomes
Primary outcomes
Insulin sensitivity
Brachial artery flow mediated dilation
Secondary outcomes
Large artery stiffness
Carotid artery ultrasound
Cerebrovascular function
Middle cerebral artery blood flow
VO2 peak
Fat mass
DXA
Sponsors and contacts
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University of Colorado, Denver
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
Collaborator