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Brad D Constant

TitleAssistant Professor
InstitutionUniversity of Colorado Denver - Anschutz Medical Campus
DepartmentSOM-PEDS

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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Larson C, Berinstein JA, Tedesco N, Seidelin JB, Ovesen PD, Uzzan M, Amiot A, Nuzzo A, Laharie D, Constant BD, Albenberg L, El-Hussuna A, Bishu S, Cohen-Mekelburg S, Higgins PDR, Steenholdt C. Postoperative Outcomes in Tofacitinib-Treated Patients With Acute Severe Ulcerative Colitis Undergoing Colectomy. Clin Gastroenterol Hepatol. 2025 Apr 14. PMID: 40239733.
      View in: PubMed
    2. Constant BD, Adler J, Gold BD, Dotson J, Lightdale JR, Scott F, Saeed S, Kim S, Moses J, de Zoeten EF, Mirea L, Ritchey A, Pasternak B. National perspectives of barriers by insurance and pharmacy benefit managers in pediatric inflammatory bowel disease. JPGN Rep. 2025 May; 6(2):80-90. PMID: 40386337.
      View in: PubMed
    3. Mitchel EB, Dolinger MT, Constant B, Wang Z, Guisado D, Gao M, Fusillo S, Baldassano RN, Kelsen J, Dubinsky M, Huang J, Albenberg L. Ustekinumab is safe and effective in pediatric patients with Crohn's disease. J Pediatr Gastroenterol Nutr. 2025 Apr; 80(4):653-663. PMID: 39888083.
      View in: PubMed
    4. Constant BD, Long MD, Scott FI, Higgins PDR. Insurer-Mandated Medication Utilization Barriers are Associated With Decreased Insurance Satisfaction and Adverse Clinical Outcomes: An Inflammatory Bowel Disease Partners Survey. Am J Gastroenterol. 2024 Oct 01; 119(10):2070-2078. PMID: 38819004.
      View in: PubMed
    5. Dawwas GK, Weiss A, Constant BD, Parlett LE, Haynes K, Yang JY, Brensinger C, Wu Q, Pate V, Jonsson Funk M, Schaubel DE, Hurtado-Lorenzo A, David Kappelman M, Lewis JD. Development and Validation of Claims-Based Definitions to Identify Incident and Prevalent Inflammatory Bowel Disease in Administrative Healthcare Databases. Inflamm Bowel Dis. 2023 12 05; 29(12):1993-1996. PMID: 37043675.
      View in: PubMed
    6. Constant BD, Scott FI. The PA System: Is Prior Authorization for Dose Escalation of IBD Biologic Therapy a Tolerable Alternative or a Perpetual Annoyance? Dig Dis Sci. 2023 12; 68(12):4279-4281. PMID: 37792128.
      View in: PubMed
    7. Lewis JD, Parlett LE, Jonsson Funk ML, Brensinger C, Pate V, Wu Q, Dawwas GK, Weiss A, Constant BD, McCauley M, Haynes K, Yang JY, Schaubel DE, Hurtado-Lorenzo A, Kappelman MD. Incidence, Prevalence, and Racial and Ethnic Distribution of Inflammatory Bowel Disease in the United States. Gastroenterology. 2023 11; 165(5):1197-1205.e2. PMID: 37481117.
      View in: PubMed
    8. Constant BD, Albenberg L, Mitchel EB, De Zoeten EF, Clapp JT, Scott FI. Prior Authorizations Delay Therapy, Impact Decision-making, and Lead to Adverse Events in Inflammatory Bowel Disease: 2022 Provider Survey. Clin Gastroenterol Hepatol. 2024 02; 22(2):423-426. PMID: 37394025.
      View in: PubMed
    9. Constant BD, Baldassano R, Kirsch J, Mitchel EB, Stein R, Albenberg L. Tofacitinib Salvage Therapy for Children Hospitalized for Corticosteroid- and Biologic-Refractory Ulcerative Colitis. J Pediatr Gastroenterol Nutr. 2022 12 01; 75(6):724-730. PMID: 36122389.
      View in: PubMed
    10. 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. 2023 03; 68(3):877-888. PMID: 35790702.
      View in: PubMed
    11. Constant BD, de Zoeten EF, Stahl MG, Vajravelu RK, Lewis JD, Fennimore B, Gerich ME, Scott FI. Delays Related to Prior Authorization in Inflammatory Bowel Disease. Pediatrics. 2022 03 01; 149(3). PMID: 35190811.
      View in: PubMed
    12. 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 04; 20(4):e696-e702. PMID: 33965572.
      View in: PubMed
    13. Constant BD, Weinman JP, Stahl MG. Dissecting Duodenal Hematoma: A Rare but Serious Complication of Esophagogastroduodenoscopy. JPGN Rep. 2021 May; 2(2):e052. PMID: 37207074.
      View in: PubMed
    14. 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 03 01; 72(3):410-416. PMID: 33439565.
      View in: PubMed
    15. Kelly CB, Colthart AM, Constant BD, Corning SR, Dubois LN, Genovese JT, Radziewicz JL, Sletten EM, Whitaker KR, Tilley LJ. Enabling the synthesis of perfluoroalkyl bicyclobutanes via 1,3 ?-silyl elimination. Org Lett. 2011 Apr 01; 13(7):1646-9. PMID: 21366262.
      View in: PubMed
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