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Sarah Commisso Armstrong

Professor of Pediatrics
Pediatrics, General Pediatrics and Adolescent Health
Box 3675 Med Ctr, Durham, NC 27710
3116 N Duke Street, Durham, NC 27704
Office hours Monday - Friday 8am - 5pm  

Overview


Dr. Armstrong's clinical and research interests include pediatric nutrition and the treatment of childhood and adolescent obesity, along with related health problems. As director of the Duke Children's Healthy Lifestyles Program, Dr. Armstrong oversees a cohort of over 3000 overweight children and teenagers. She is a member of the Executive Committee for the American Academy of Pediatrics Section on Obesity.  Dr. Armstrong's research focuses on leveraging innovative strategies to improve children's nutrition and activity, including mobile health interventions, community partnerships, and medication or surgical approaches.

Current Appointments & Affiliations


Professor of Pediatrics · 2021 - Present Pediatrics, General Pediatrics and Adolescent Health, Pediatrics
Chief, Division of General Pediatrics and Adolescent Health · 2021 - Present Pediatrics, General Pediatrics and Adolescent Health, Pediatrics
Professor in the Department of Family Medicine and Community Health · 2020 - Present Family Medicine and Community Health, Community Health, Family Medicine and Community Health
Professor in Population Health Sciences · 2020 - Present Population Health Sciences, Basic Science Departments
Affiliate, Duke Global Health Institute · 2016 - Present Duke Global Health Institute, University Institutes and Centers
Member in the Duke Clinical Research Institute · 2017 - Present Duke Clinical Research Institute, Institutes and Centers
Member of the Duke Cancer Institute · 2025 - Present Duke Cancer Institute, Institutes and Centers

In the News


Published February 11, 2025
Parks & Rec Tackles Childhood Obesity
Published March 28, 2023
The Case of the Mysterious $11 Million Benefactor
Published June 17, 2021
Is Health in Durham Connected to Access to Local Parks?

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Recent Publications


Parent Perspectives on the 2023 Clinical Practice Guideline for Pediatric Obesity: A Mixed-Methods Study of Acceptance and Concerns.

Journal Article Pediatr Obes · January 2026 BACKGROUND: The 2023 Clinical Practice Guideline for pediatric obesity recommends immediate, intensive treatment, including behavioral therapy, medications, and surgery when indicated. Understanding parental agreement with the guideline is critical for suc ... Full text Link to item Cite

The influence of acculturation and stress on obesity in US latino dyads using systems science.

Journal Article Ethn Health · October 2025 OBJECTIVE: Pediatric obesity continues to grow in the US Latino population despite public health efforts. Little work has explored the link between acculturation and stress across caregiver-child dyads using systems science. METHODS: Semi-structured interv ... Full text Link to item Cite

Novel strategies for medical management of obesity: mechanisms, clinical implications, and societal impacts-a report from the 25th Annual Harvard Nutrition Obesity Symposium.

Conference Am J Clin Nutr · September 2025 Obesity is a chronic, relapsing disease with a multifactorial etiology. Over the past 5 y, obesity medicine has entered a new era with the advent of novel, game-changing pharmacotherapies that achieve weight loss exceeding 15%-20%. Beyond weight loss, thes ... Full text Link to item Cite
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Recent Grants


iPediHeart: Interdisciplinary Research Training Program for Pediatric Heart Disease

Inst. Training Prgm or CMEMentor · Awarded by National Institutes of Health · 2025 - 2030

2/3 CTSA K12 Program at Duke University

ResearchMentor · Awarded by National Institutes of Health · 2025 - 2030

Unified Program for Therapeutics in Children

Inst. Training Prgm or CMEPreceptor · Awarded by National Institutes of Health · 2025 - 2030

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Education, Training & Certifications


University of Virginia · 2000 M.D.