
Ania M Jastreboff MD PhD
Diabetes, Obesity, Pediatric Endocrinology
Associate Professor, Internal Medicine (Endocrinology and Metabolism) and Pediatrics (Pediatric Endocrinology), Yale University School of Medicine
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333 Cedar St, PO Box 208020Yale University School Of Medicine - EndocrinologyNew Haven, CT 06510
Phone+1 203-737-1932
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Summary
- Dr. Jastreboff is an Associate Professor at Yale University School of Medicine. She is board certified in Obesity Medicine, adult Endocrinology and Metabolism, and Pediatric Endocrinology. She is nationally/internationally recognized in the Obesity Medicine field for developing Clinical Practice Guidelines (2016) for The Comprehensive Care of Patients with Obesity (AACE/ACE), educating the next generation of Obesity Medicine physicians by teaching annually at the world renowned Harvard Blackburn Treating Obesity course and the Columbia/Cornell Obesity course, and conducting cutting-edge clinical translational obesity research. Her research includes both large, multi-center clinical outcomes trials using anti-obesity medication as well as neuroimaging studies (fMRI and PET) examining the neurobiology underlying obesity and the mechanisms of anti-obesity medications.
Clinically, Dr. Jastreboff specializes in sophisticated use of anti-obesity medication combinations to help patients reach their weight and health goals. She mainly sees patients for obesity treatment and weight management.
Dr. Jastreboff completed her PhD at Yale University's Investigative Medicine Program focused on translational and clinical investigation with a dissertation entitled “Neural Response to Food Cues and Stress in Individuals with Obesity".
Dr. Jastreboff's research has been supported by NIH/NIDDK (K23, R01), American Diabetes Association (ADA), and industry funded multi-center clinical trials.
Education & Training
Yale-New Haven Medical CenterFellowship, Endocrinology, Diabetes, and Metabolism, 2007 - 2011
University of MarylandResidency, Internal Medicine/Pediatrics, 2002 - 2006
University of Maryland School of MedicineClass of 2002
Certifications & Licensure
CA State Medical License 2025 - 2027
CT State Medical License 2010 - 2027
MD State Medical License 2006 - 2008
American Board of Internal Medicine Endocrinology, Diabetes and Metabolism
American Board of Obesity Medicine Obesity Medicine
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 2 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2015-2017
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2015-2017
Clinical Trials
- Glycemic Index of Commonly Consumed Sweeteners
- Effect of Liraglutide on Neural Responses to High Fructose Corn Syrup in Individuals With Obesity. Start of enrollment: 2018 Jun 06
- GLP-1 Analogue Effects on Food Cues, Stress, Motivation for Highly Palatable Foods, and Weight Start of enrollment: 2021 Feb 01
Publications & Presentations
PubMed
- Design and baseline characteristics of the CagriSema cardiovascular outcomes trial (REDEFINE 3).Matthew A Cavender, Ania M Jastreboff, Alice Y Y Cheng, Melanie J Davies, Lucienne Donaldson
American Heart Journal. 2026-10-06 - Survodutide Once Weekly in Adults with Obesity and Type 2 Diabetes.Sean Wharton, Carel W le Roux, Elena Startseva, Isabel M Kloer, Ahmad Alhussein
The New England Journal of Medicine. 2026-10-01 - Retatrutide, a Triple Hormone Receptor Agonist, for Treatment of Obesity.Ania M Jastreboff, Lee M Kaplan, Melanie J Davies, John P H Wilding, Nadia N Ahmad
The New England Journal of Medicine. 2026-09-29
Press Mentions
Novo Nordisk STEP Young Phase 3 Data: 40.4% of Children Living with Obesity Achieved a BMI Below the Obesity Threshold with Semaglutide and Lifestyle ModificationSeptember 7th, 2026
Retatrutide Achieves Large Weight Decreases in Patients Without Diabetes: TRIUMPH-1May 21st, 2026
A New Concern About Weight Loss Drugs: What if They Work Too Well?February 18th, 2026
Grant Support
- Semaglutide Dose Effects on Metabolic and Stress Hormones, Craving and Alcohol Use OutcomesYALE UNIVERSITY2026–2031
- GLP-1 analogue effects on food cues, stress, motivation for highly palatable foods, and weightYALE UNIVERSITY2013–2025
- GLP-1 analogue effects on food cues, stress, motivation for highly palatable foods, and weightYALE UNIVERSITY2013–2025
- Preventing Childhood Obesity Through a Mindfulness-based Parent Stress InterventionYALE UNIVERSITY2018–2024
- Preventing Childhood Obesity Through a Mindfulness-based Parent Stress InterventionYALE UNIVERSITY2018–2024
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