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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


Characterization of Patients With Symptoms of Gastroparesis Having Frequent Emergency Department Visits and Hospitalizations.

Journal Article Clin Gastroenterol Hepatol · October 2025 BACKGROUND & AIMS: Patients with gastroparesis (Gp) can be high users of the medical system. In this study, we characterized patients with Gp symptoms who had frequent emergency department (ED) visits and hospitalizations. METHODS: Patients with symptoms o ... Full text Link to item Cite

Characterization of Multidisciplinary Programs for Abdominal Pain-Related Disorders of Gut-Brain Interaction.

Journal Article Clinical pediatrics · September 2025 Abdominal pain-related disorders of gut-brain interaction (DGBIs) are common and challenging conditions affecting many children and adolescents. Multidisciplinary programs represent one promising approach to these complex disorders. However, the compositio ... Full text 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 · September 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
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Recent Grants


Phase 3 Study to Assess the Safety and Efficacy of Tenapanor

Clinical TrialPrincipal Investigator · Awarded by Ardelyx, Inc. · 2025 - 2027

Duke Training Grant in Digestive Diseases and Nutrition

Inst. Training Prgm or CMEPreceptor · Awarded by National Institute of Diabetes and Digestive and Kidney Diseases · 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

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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.