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Study identifier: NCT07361874 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

IMPACT-MACS: Adrenalectomy vs Semaglutide for Metabolic Outcomes in Mild Autonomous Cortisol Secretion

Condition: Mild Autonomous Cortisol Secretion (MACS) · Autonomous Cortisol Secretion (ACS) · Subclinical Cushing's  ·  Sponsor: University of Texas Southwestern Medical Center

PhaseNA
Planned participants75
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

The goal of this study is to learn how two treatments-adrenalectomy (surgical removal of an adrenal gland) and semaglutide (a medication used for weight management)-affect insulin resistance and cortisol regulation in adults with mild autonomous cortisol secretion (MACS). The study will also learn how these treatments impact body composition, blood pressure, cholesterol, inflammation, muscle strength, and quality of life. The main questions the study aims to answer are: 1. Does adrenalectomy or semaglutide improve insulin resistance more in people with MACS? 2. How do these treatments change cortisol patterns and other cardiometabolic risk factors? 3. Do people with MACS respond differently to semaglutide compared to matched adults without MACS? Participants will: 1. Receive either adrenalectomy or semaglutide if they have MACS, or semaglutide if they are matched controls 2. Complete clinic visits and phone visits over about 26-30 weeks 3. Undergo metabolic testing such as blood tests, urine steroid profiling, body composition scans, blood pressure monitoring, muscle strength testing, and questionnaires about health and well-being

This description comes directly from the study's public registry record.

Talk to the study team

Oksana Hamidi, DO, MSCS  ·  214-645-6397  ·  oksana.hamidi@utsouthwestern.edu

Always discuss trial participation with your own doctor first.

Locations (1)

University of Texas Southwestern Medical CenterDallas, Texas, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT07361874