Elizabeth Hait

Dr. Elizabeth Hait is an Assistant Professor of Pediatrics at Harvard Medical School and Clinical Director of the Division of Gastroenterology, Hepatology & Nutrition at Boston Children’s Hospital. She specializes in pediatric gastroenterology with a focus on immune-gut-environment interactions, inflammatory bowel disease, and allergic gastrointestinal disorders.

Education:

• MD: University of Toronto (1999)
• MPH: Not explicitly stated but implied via title
• Residency/Fellowship: Rainbow Babies and Children's Hospital (2000-2002), Boston Children's Hospital (2006)

Research Interests: Investigates gut microbiota, environmental factors influencing gastrointestinal health, and pharmaceutical impacts on endocrine systems. Her work led to the phthalate-free reformulation of Asacol® into Delzicol®. She co-founded Boston Children’s Hospital’s Eosinophilic Gastrointestinal Disease (EGID) Program, pioneering therapeutic approaches for food allergy-related disorders.

Key Contributions: Pioneered studies on dupilumab for eosinophilic esophagitis, developed multidisciplinary caregiver education programs for FPIES, and advanced understanding of GERD’s role in atopic disorders. Her research bridges clinical gastroenterology with environmental health and pharmacology.

Labs/Teams: Leads the EGID Program, a nationally recognized multidisciplinary initiative treating allergic gastrointestinal conditions.