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Bruno Chumpitazi

Instructor Temporary in the Department of Pediatrics
Pediatrics, Gastroenterology, Hepatology and Nutrition
2400 Pratt Street, Room 8012, Durham, NC 27705
2400 Pratt Street, Room 8012, Durham, NC 27705

Current Appointments & Affiliations


Instructor Temporary in the Department of Pediatrics · 2023 - Present Pediatrics, Gastroenterology, Hepatology and Nutrition, Pediatrics
Chief, Division of Gastroenterology, Hepatology & Nutrition · 2023 - Present Pediatrics, Gastroenterology, Hepatology and Nutrition, Pediatrics
Member in the Duke Clinical Research Institute · 2023 - Present Duke Clinical Research Institute, Institutes and Centers

Recent Publications


Little Patients Big Discoveries: Potential Pediatric to Adult Neurogastroenterology Translation.

Journal Article Am J Gastroenterol · June 6, 2025 Pediatric neurogastroenterology conditions, including disorders of gut-brain interaction (DGBI) and motility disorders, affect millions of children worldwide. Due to limited pediatric data, reference ranges and management are often extrapolated from adult ... Full text Link to item Cite

Randomized trial: Peppermint oil (menthol) pharmacokinetics in children and effects on gut motility in children with functional abdominal pain: 540 mg vs. 900 mg dose comparison.

Journal Article Br J Clin Pharmacol · May 19, 2025 AIMS: There is a paucity of information on the pharmacokinetics (PK) and pharmacodynamics (PD) of menthol, the active ingredient in peppermint oil (PMO). We studied the PK of menthol (540 and 900 mg) in children and measured their effects on gut transit/co ... Full text Link to item Cite

13 C-Spirulina Gastric Emptying Breath Test Normative Values in Healthy Children: A Multicenter Study With Comparison to Symptomatic Children.

Journal Article Am J Gastroenterol · May 16, 2025 INTRODUCTION: Diagnosing pediatric gastroparesis presents a significant challenge due to lack of normative data in children. We aimed to determine normative values for gastric emptying using the nonradioactive 13 C-Spirulina gastric emptying breath test ( ... Full text Link to item Cite
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Recent Grants


Duke Training Grant in Digestive Diseases and Nutrition

Inst. Training Prgm or CMEPreceptor · Awarded by National Institutes of Health · 1988 - 2027

Assessing Psyllium Given with Meals for Fructan Sensitivity in Children with Irritable Bowel Syndrome

ResearchPrincipal Investigator · Awarded by National Institutes of Health · 2024 - 2027

Advancing Science in Pediatric Gastroparesis

ResearchPrincipal Investigator · Awarded by Baylor College of Medicine · 2023 - 2026

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Education, Training & Certifications


Tufts University · 2001 M.P.H.
Tufts University, School of Medicine · 2001 M.D.
University of Michigan, Ann Arbor · 1997 B.S.