Karen A. Chachu

Biochemistry, Genetics and Molecular Biology · Life Sciences

17h-index3.3kcitations25works20.02yr avg
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Research Topics

Inflammatory Bowel Disease(12), Microscopic Colitis(8), Eosinophilic Esophagitis(7), Viral gastroenteritis research and epidemiology(4), Immunodeficiency and Autoimmune Disorders(4)

Publications25 total

S1449 Efficacy and Safety of Icotrokinra, a Targeted Oral Peptide That Selectively Blocks IL-23 Receptor Activation, in Ulcerative Colitis: Results From Week 28 of ANTHEM-UC, a Phase 2b Dose-Ranging Trial
The American Journal of Gastroenterology·2025
Guselkumab in patients with moderately to severely active ulcerative colitis (QUASAR): phase 3 double-blind, randomised, placebo-controlled induction and maintenance studies
The Lancet·2024· 62 citedOpen Access
Challenges in IBD Research 2024: Novel Technologies
Inflammatory Bowel Diseases·2024· 5 citedOpen Access
White Paper: American Gastroenterological Association Position Statement: The Future of IBD Care in the United States–Removing Barriers and Embracing Opportunities
Clinical Gastroenterology and Hepatology·2024· 13 citedOpen Access
AGA Clinical Practice Guideline on the Role of Biomarkers for the Management of Crohn’s Disease
Gastroenterology·2023· 73 citedOpen Access
AGA Clinical Practice Guideline on the Role of Biomarkers for the Management of Ulcerative Colitis
Gastroenterology·2023· 126 citedOpen Access
Ustekinumab versus adalimumab for induction and maintenance therapy in biologic-naive patients with moderately to severely active Crohn's disease: a multicentre, randomised, double-blind, parallel-group, phase 3b trial
The Lancet·2022· 278 cited
AGA Clinical Practice Guidelines on the Medical Management of Moderate to Severe Luminal and Perianal Fistulizing Crohn’s Disease
Gastroenterology·2021· 340 citedOpen Access
Immune Mechanisms Responsible for Vaccination against and Clearance of Mucosal and Lymphatic Norovirus Infection
UNC Libraries·2020Open Access
AGA Institute and the Joint Task Force on Allergy-Immunology Practice Parameters Clinical Guidelines for the Management of Eosinophilic Esophagitis
Gastroenterology·2020· 315 citedOpen Access
Technical Review on the Management of Eosinophilic Esophagitis: A Report From the AGA Institute and the Joint Task Force on Allergy-Immunology Practice Parameters
Gastroenterology·2020· 142 citedOpen Access
AGA institute and the joint task force on allergy-immunology practice parameters clinical guidelines for the management of eosinophilic esophagitis
Annals of Allergy Asthma & Immunology·2020· 135 citedOpen Access
Technical review on the management of eosinophilic esophagitis: a report from the AGA institute and the joint task force on allergy-immunology practice parameters
Annals of Allergy Asthma & Immunology·2020· 96 citedOpen Access
AGA Clinical Practice Guidelines on the Management of Moderate to Severe Ulcerative Colitis
Gastroenterology·2020· 670 citedOpen Access
Long-Term Outcomes of Proactive Versus Reactive Therapeutic Drug Monitoring for Optimizing Infliximab Therapy in Inflammatory Bowel Disease
Gastroenterology·2017· 1 cited
Proactive Compared to Reactive Therapeutic Drug Monitoring for Optimizing Infliximab Maintenance Therapy is Associated with Less IBD-Related Surgery and Hospitalization
Gastroenterology·2017
Improved Long-term Outcomes of Patients With Inflammatory Bowel Disease Receiving Proactive Compared With Reactive Monitoring of Serum Concentrations of Infliximab
Clinical Gastroenterology and Hepatology·2017· 218 citedOpen Access
How to Diagnose and Treat IBD Mimics in the Refractory IBD Patient Who Does Not Have IBD
Inflammatory Bowel Diseases·2016· 50 citedOpen Access
Sa1163 Treatment for Clostridium difficile Infection in Inflammatory Bowel Disease Patients Diagnosed in the Outpatient Setting: Metronidazole vs. Vancomycin
Gastroenterology·2015· 1 cited
“Do I Really Have to Have Another Colonoscopy or Another CT Scan?”: Appropriate Disease Monitoring of Newly Diagnosed and Established Inflammatory Bowel Disease
2015
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Frequent Co-authors

Yngve Falck–Ytter(11), Shahnaz Sultan(9), Jennifer M. Weiss(8), Matthew A. Rank(8), Rajiv N. Sharaf(8), Matthew Greenhawt(8), Siddharth Singh(7), Lukejohn W. Day(6), Benjamin Lebwohl(6), Amit Patel(6), Anne F. Peery(6), Raj Shah(6), Stuart J. Spechler(6), Aaron P. Thrift(6), David R. Stukus(6), Thiruvengadam Muniraj(5), Grace L. Su(5), Herbert W. Virgin(5), Joseph D. Feuerstein(4), Ikuo Hirano(4)