Overview T-IR- Study to Understand the Effects of Testosterone and Estrogen on the Body's Response to the Hormone Insulin Status: Completed Trial end date: 2017-12-01 Target enrollment: Participant gender: Summary The purpose of this research study is to understand the effects of testosterone and estrogen on the body's response to the hormone insulin. Phase: Phase 1/Phase 2 Details Lead Sponsor: University of WashingtonTreatments: AcylineAndrogensAromatase InhibitorsInsulinInsulin, Globin ZincLetrozoleMethyltestosteroneTestosteroneTestosterone 17 beta-cypionateTestosterone enanthateTestosterone undecanoate