Ian H. Leibowitz

Ian H. Leibowitz

Gastroenterology | Pediatrics | Pediatric Gastroenterology

3023 Hamaker Ct
600
Fairfax, VA 22031

Last Updated: 09/26/2026

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Found 14 publications

Gastric duplication cyst causing hypergastrinemia in an infant.

Gastric duplication cyst causing hypergastrinemia in an infant.

Journal: JPGN reports

Published: August 24, 2025

Low Anti-Tumor Necrosis Factor Levels During Maintenance Phase Are Associated With Treatment Failure in Children With Crohn's Disease.

Low Anti-Tumor Necrosis Factor Levels During Maintenance Phase Are Associated With Treatment Failure in Children With Crohn's Disease.

Journal: Inflammatory bowel diseases

Published: June 12, 2024

HLA DQA1*05 and Risk of Antitumor Necrosis Factor Treatment Failure and Anti-Drug Antibody Development in Children With Crohn's Disease.

HLA DQA1*05 and Risk of Antitumor Necrosis Factor Treatment Failure and Anti-Drug Antibody Development in Children With Crohn's Disease.

Journal: The American journal of gastroenterology

Published: May 12, 2024

Comparative Effectiveness of Anti-TNF in Combination With Low-Dose Methotrexate vs Anti-TNF Monotherapy in Pediatric Crohn's Disease: A Pragmatic Randomized Trial.

Comparative Effectiveness of Anti-TNF in Combination With Low-Dose Methotrexate vs Anti-TNF Monotherapy in Pediatric Crohn's Disease: A Pragmatic Randomized Trial.

Journal: Gastroenterology

Published: February 16, 2023

Pediatric Endoscopy Quality Improvement Network Quality Standards and Indicators for Pediatric Endoscopy Facilities: A Joint NASPGHAN/ESPGHAN Guideline.

Pediatric Endoscopy Quality Improvement Network Quality Standards and Indicators for Pediatric Endoscopy Facilities: A Joint NASPGHAN/ESPGHAN Guideline.

Journal: Journal of pediatric gastroenterology and nutrition

Published: August 17, 2021

Overview of the Pediatric Endoscopy Quality Improvement Network Quality Standards and Indicators for Pediatric Endoscopy: A Joint NASPGHAN/ESPGHAN Guideline.

Overview of the Pediatric Endoscopy Quality Improvement Network Quality Standards and Indicators for Pediatric Endoscopy: A Joint NASPGHAN/ESPGHAN Guideline.

Journal: Journal of pediatric gastroenterology and nutrition

Published: August 17, 2021

Pediatric Endoscopy Quality Improvement Network Pediatric Endoscopy Reporting Elements: A Joint NASPGHAN/ESPGHAN Guideline.

Pediatric Endoscopy Quality Improvement Network Pediatric Endoscopy Reporting Elements: A Joint NASPGHAN/ESPGHAN Guideline.

Journal: Journal of pediatric gastroenterology and nutrition

Published: August 17, 2021

Pediatric Endoscopy Quality Improvement Network Quality Standards and Indicators for Pediatric Endoscopic Procedures: A Joint NASPGHAN/ESPGHAN Guideline.

Pediatric Endoscopy Quality Improvement Network Quality Standards and Indicators for Pediatric Endoscopic Procedures: A Joint NASPGHAN/ESPGHAN Guideline.

Journal: Journal of pediatric gastroenterology and nutrition

Published: August 17, 2021

Pediatric Endoscopy Quality Improvement Network Quality Standards and Indicators for Pediatric Endoscopists and Endoscopists in Training: A Joint NASPGHAN/ESPGHAN Guideline.

Pediatric Endoscopy Quality Improvement Network Quality Standards and Indicators for Pediatric Endoscopists and Endoscopists in Training: A Joint NASPGHAN/ESPGHAN Guideline.

Journal: Journal of pediatric gastroenterology and nutrition

Published: August 17, 2021

Corticosteroids Can Be Used to Decrease Antidrug Antibodies in Pediatric Patients With Inflammatory Bowel Disease.

Corticosteroids Can Be Used to Decrease Antidrug Antibodies in Pediatric Patients With Inflammatory Bowel Disease.

Journal: Inflammatory bowel diseases

Published: July 28, 2021

Fecal Transplant in Children With Clostridioides difficile Gives Sustained Reduction in Antimicrobial Resistance and Potential Pathogen Burden.

Fecal Transplant in Children With Clostridioides difficile Gives Sustained Reduction in Antimicrobial Resistance and Potential Pathogen Burden.

Journal: Open forum infectious diseases

Published: March 21, 2019

Appropriateness of emergency department use in pediatric inflammatory bowel disease: a quality improvement opportunity.

Appropriateness of emergency department use in pediatric inflammatory bowel disease: a quality improvement opportunity.

Journal: Journal of pediatric gastroenterology and nutrition

Published: June 12, 2014

Showing 1-12 of 14

Last Updated: 09/26/2026