Brad D. Constant, MD, MSCS

MD - Florida Atlantic University, Boca Raton, FL
Pediatrics - Children’s National Hospital, Washington, DC
Pediatrics - Children’s National Hospital, Washington, DC
Pediatric Gastroenterology - Children’s Hospital Colorado, Aurora, CO
Advanced Inflammatory Bowel Disease - Children’s Hospital of Philadelphia, Philadelphia, PA
Pediatric Gastroenterology – American Board of PediatricsPediatrics – American Board of Pediatrics
MSCS - University of Colorado, Boulder, CO
Advanced Inflammatory Bowel Disease Fellow
Constant BD, de Zoeten EF, Weinman JP, Albenberg L, Scott FI. Early Anti-Tumor-Necrosis-Factor Therapy for Crohn’s Disease-Related Abdominal Abscesses and Phlegmon in Children. Dig Dis Sci. 2022 Jul 5. doi: 10.1007/s10620-022-07604-7. Epub ahead of print. PMID: 35790702.
Constant BD, de Zoeten EF, Stahl MG, Vajravelu RK, Lewis JD, Fennimore B, Gerich ME, Scott FI . Delays Related to Prior Authorization in Inflammatory Bow Disease. Pediatrics. 2022;149(3):e2021052501.
Constant BD, Dutmer CM, Arnold MA, Hall C, Abbott JK, de Zoeten EF. Cytotoxic T-Lymphocyte-Associated Antigen 4 Haploinsufficiency Mimics Difficult-to-Treat Inflammatory Bowel Disease. Clin Gastroenterol Hepatol. 2022;20(4):e696-e702. doi:10.1016/j.cgh.2021.05.001
Constant BD, Weinman JP, Stahl MG. Dissecting Duodenal Hematoma: A Rare but Serious Complication of Esophagogastroduodenoscopy. JPGN Reports. 2021 May - Volume 2 - Issue 2 - p e052.
Constant BD, Khushal S, Jiang J, Bost JE, Chaisson E, Conklin LS. Early Inflammatory Markers are Associated With Inadequate Post-induction Infliximab Trough in Pediatric Crohn’s Disease. J Pediatr Gastroenterol Nutr. 2021 Mar 1;72(3):410-416. PMID: 33439565.
Kelly C, Colthart A, Constant BD, Corning S, Dubois L, Genovese J, Radziewicz J, Sletten E, Whitaker K, Tilley L. Enabling the Synthesis of Perfluoroalkyl Bicyclobutanes via 1,3 γ-Silyl Elimination. Org. Lett. 2011 Apr 1;13(7):1646-9. PMID: 21366262.
Kirsch J, Stein R, Baldassano R, Albenberg L, Constant BD. Tofacitinib Salvage Therapy in Pediatric Patients Hospitalized for Ulcerative Colitis. Poster presentation at 2022 Digestive Disease Week Annual Meeting, San Diego, CA, USA.
Cahoon J, Haydek J, Patel S, Gerich ME, Fennimore B, Oonk A, Ahmed W, Steiner C, Cheng D, Constant B, Abdalla M, Barnes E, Lewis JD, Scott FI Patient Perceptions of Factors Contributing to Delays in Biologic and Small Molecule Initiation in Inflammatory Bowel Disease: A Qualitative Analyses from the DECODE-IBD Study. Poster presentation at 2022 Digestive Disease Week Annual Meeting, San Diego, CA, USA.
Constant BD, de Zoeten EF, Weinman JP, Albenberg L, Scott FI. Multidisciplinary Management and Anti-TNF Utilization in Internally Penetrating Crohn’s Disease Complications. Poster presentation at 2021 North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition Annual Meeting, virtual due to COVID-19 pandemic.
Constant BD, de Zoeten EF, Stahl MG, Vajravelu RK, Lewis JD, Fennimore B, Gerich ME, Scott FI. Secular Trends in Biologic Initiation Time from 2010 to 2019. Poster presentation at 2021 North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition Annual Meeting, virtual due to COVID-19 pandemic.
Constant BD, de Zoeten EF, Stahl MG, Vajravelu RK, Lewis JD, Fennimore B, Gerich ME, Scott FI. Prior Authorization Requirements Prolong Biologic Initiation Time and Increase Hospitalizations, Surgeries, Emergency Department Visits, and Corticosteroid Dependence in Pediatric Inflammatory Bowel Disease. Poster presentation at 2020 North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition Annual Meeting, San Diego, CA, USA.
Constant BD, de Zoeten EF, Vajravelu RK, Lewis JD, Fennimore B, Gerich ME, Scott FI. Insurance Type Influences Infliximab Initiation Time in Pediatric Inflammatory Bowel Disease. Poster presentation at 2020 Digestive Disease Week Annual Meeting, Chicago, IL, USA.
Cahoon J, Gerich ME, Fennimore B, Oonk A, Constant BD, Barnes EL, Lewis JD, Scott FI. Decoding Delays in Biologic and Small Molecule Initiations for Patients with IBD: A Qualitative Analysis. Poster presentation at 2020 Digestive Disease Week Annual Meeting, Chicago, IL, USA.
Constant BD, de Zoeten EF, Stahl MG, Vajravelu RK, Lewis JD, Fennimore B, Gerich ME, Scott FI. “Prior Authorization Requirements Delay Biologic Initiation and Increase Healthcare Utilization in Pediatric Inflammatory Bowel Disease” Presented at 2021 Children’s Hospital Colorado Digestive Health Institute Research Symposium, Aurora, CO, USA.
Constant BD, de Zoeten EF, Stahl MG, Vajravelu RK, Lewis JD, Fennimore B, Gerich ME, Scott FI. “Prior Authorization Requirements Delay Biologic Initiation and Increase Healthcare Utilization in Pediatric Inflammatory Bowel Disease.” Presented at 2021 Digestive Disease Week Annual Meeting, Pediatric IBD: Clinical and Translational Studies, Chicago, IL, USA.
2021, 3rd Year Fellow Poster Winner, Pediatric Poster Session, Children’s Hospital Colorado
2021, Outstanding Abstract Award, Department of Medicine, University of Colorado
2011, Lambda Epsilon Sigma Honor Society, Stonehill College
2010, Top Biochemistry Major Award, Stonehill College
2022-present, Digestive Diseases and Sciences, ad hoc reviewer
2021-present, Journal of Pediatric Gastroenterology and Nutrition, ad hoc reviewer
2021-present, Journal of Pediatric Gastroenterology and Nutrition Reports, ad hoc reviewer
2021-present, Crohn’s & Colitis Foundation, Professional Member
2020-present, American College of Gastroenterology
2019-present, American Gastroenterological Association
2018-present, North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition
- 2021-present, IBD Committee
2018-present, American Academy of Pediatrics