Evan S. Dellon MD

Advanced Endoscopic Interventional

Assistant Professor, Medicine, University of North Carolina at Chapel Hill School of Medicine

300 Meadowmont Village CirSte 313Chapel Hill, NC 27517
Phone+1 919-843-7200
Fax+1 919-843-7136

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Education & Training

University of North Carolina HospitalsFellowship, Gastroenterology, 2004 - 2007
Mass General Brigham/Massachusetts General HospitalResidency, Internal Medicine, 1999 - 2002
Johns Hopkins University School of MedicineClass of 1999

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Certifications & Licensure

NC State Medical License 2004 - 2027
MA State Medical License 2001 - 2004
American Board of Internal Medicine Gastroenterology

Awards, Honors, & Recognition

CMS Meaningful Use Stage 1 Certification WebCIS, UNC Health Care, 2012, 2014-2017
CMS Meaningful Use Stage 2 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2012, 2014-2017
CMS Meaningful Use Stage 2 Certification EpicCare Inpatient 2014 Certified EHR Suite, Epic Systems Corporation, 2012, 2014-2017

Clinical Trials

A Randomized Controlled Trial (RCT) of Carbon Dioxide Versus Air Insufflation During Endoscopic Retrograde Cholangiopancreatography (ERCP)
COMPLETED
NA
Topical Budesonide Treatment for Eosinophilic Esophagitis (EoE)
COMPLETED
NA
Registry for Eosinophilic Gastrointestinal Disorders (REGID)
COMPLETED

Publications & Presentations

PubMed

Dupilumab Improves Multiple Aspects of Dysphagia Symptoms in a Randomized Trial of Eosinophilic Esophagitis.
Evan S Dellon, Mirna Chehade, Alain M Schoepfer, , Eilish Mccann
Clinical Gastroenterology and Hepatology. 2026-09-01
The Eosinophilic Esophagitis Severity Index Reflects Response to Budesonide Orodispersible Tablets during Induction and Maintenance Therapy.
Gaia Pellegatta, Francesca Paola Giugliano, Valeria Poletti, Giacomo Marcozzi, Evan S Dellon
Clinical Gastroenterology and Hepatology. 2026-08-20
Time Trends and Impact on Treatment Outcomes of Psychiatric Diagnoses in Patients with Eosinophilic Esophagitis.
Alexandra A Weir, Stefani Aleman, Sean S LaFata, Timothy S Gee, Angelica R Lackey
Journal of Gastrointestinal and Liver Diseases. 2026-08-18

Journal Articles

Anti–Siglec-8 Antibody for Eosinophilic Gastritis and Duodenitis
Evan S Dellon, Kathryn A Peterson, Gary W Falk, Nirmala Gonsalves, Michael Vaezi, Adam C Bledsoe, Alan T Chang, Ikuo Hirano, The New England Journal of Medicine
RPC4046 in Patients with Eosinophilic Esophagitis
Evan Dellon, MD, Clinical Gastroenterology and Hepatology

Lectures

Eosinophilic Esophagitis
American Gastroenterological Association (AGA) Institute, Coronado, California - 1/17/2013
Eosinophilic Disorders of the GI Tract
AGC 2018 Annual Scientific Meeting, Philadelphia, PA - 10/6/2018

Authored Content

RPC4046 in Patients with Eosinophilic EsophagitisMarch 2020

Press Mentions

Harnessing the Microbiome to Make Sense of Eosinophilic EsophagitisDecember 2nd, 2025
Start with Four-Food Elimination Diet for EoE, Researchers SayOctober 27th, 2025
Eosinophilic Esophagitis Prevalence in the United States Reaches 1 in 700, Costing $1.32 Billion in Healthcare AnnuallyJune 2nd, 2025

Grant Support

A Trial of Upadacitinib for Non-responsive Eosinophilic esophagitis (ATUNE)UNIV OF NORTH CAROLINA CHAPEL HILL2026–2031
A Trial of Upadacitinib for Non-responsive Eosinophilic esophagitis (ATUNE)UNIV OF NORTH CAROLINA CHAPEL HILL2026–2031
Short Term Research TrainingUNIV OF NORTH CAROLINA CHAPEL HILL1980–2031
Porcine Related apprOach to Multidisciplinary cOllaborative Translational ModEl Research (PROMOTER)UNIV OF NORTH CAROLINA CHAPEL HILL2025–2030
Epidemiologic identification and mechanistic investigation of early life environmental risk factors for eosinophilic esophagitisUNIV OF NORTH CAROLINA CHAPEL HILL2021–2026