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D-Index
124
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64353
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3196
National Ranking
1767

Overview

James D. Lewis is affiliated with the University of Pennsylvania in the United States. Their research primarily spans the fields of Medicine and Biochemistry, Genetics, and Molecular Biology, with a significant focus on subfields such as Genetics, Epidemiology, Surgery, Infectious Diseases, and Oncology.

Their work centers on several main topics including:

  • Inflammatory Bowel Disease
  • Microscopic Colitis
  • Eosinophilic Esophagitis
  • Gut microbiota and health
  • COVID-19 Clinical Research Studies
  • COVID-19 and healthcare impacts
  • Adolescent and Pediatric Healthcare

James D. Lewis has contributed to multiple publications in a range of venues frequently associated with gastroenterology and related fields. Common publication venues include:

  • Gastroenterology
  • The American Journal of Gastroenterology
  • Inflammatory Bowel Diseases
  • Clinical Gastroenterology and Hepatology
  • Journal of Crohn's and Colitis

Recent papers authored or co-authored by Lewis include:

  • "Corticosteroids, But Not TNF Antagonists, Are Associated With Adverse COVID-19 Outcomes in Patients With Inflammatory Bowel Diseases: Results From an International Registry" (2020, Gastroenterology)
  • "Efficacy and Safety of Upadacitinib in a Randomized Trial of Patients With Crohn's Disease" (2020, Gastroenterology)
  • "Effect of IBD medications on COVID-19 outcomes: results from an international registry" (2020, Gut)
  • "Role of dietary fiber in the recovery of the human gut microbiome and its metabolome" (2021, Cell Host & Microbe)
  • "Dietary Guidance From the International Organization for the Study of Inflammatory Bowel Diseases" (2020, Clinical Gastroenterology and Hepatology)

Collaborations are a significant part of Lewis's research activity. Frequent co-authors include:

  • Michael D. Kappelman
  • Gary D. Wu
  • Ghadeer K. Dawwas
  • Meenakshi Bewtra
  • Millie D. Long

Overall, the scope of research by James D. Lewis integrates clinical and molecular approaches to inflammatory bowel diseases, with links to broader topics such as the gut microbiome, dietary impacts, and the intersection of infectious disease research and gastrointestinal health, particularly in the context of COVID-19. The breadth of publication venues and co-author network reflects multidisciplinary engagement within the medical research community.

Best Publications

  • Linking Long-Term Dietary Patterns with Gut Microbial Enterotypes

    Gary D. Wu;Jun Chen;Christian Hoffmann;Christian Hoffmann;Kyle Bittinger

  • Intestinal microbiota metabolism of L-carnitine, a nutrient in red meat, promotes atherosclerosis

    Robert A Koeth;Zeneng Wang;Bruce S Levison;Jennifer A Buffa

  • Long-term proton pump inhibitor therapy and risk of hip fracture.

    Yu Xiao Yang;James D. Lewis;Solomon Epstein;David C. Metz

  • The association between hepatitis C infection and survival after orthotopic liver transplantation.

    Lisa M. Forman;James D. Lewis;Jesse A. Berlin;Harold I. Feldman

  • Associating microbiome composition with environmental covariates using generalized UniFrac distances

    Jun Chen;Kyle Bittinger;Emily S. Charlson;Christian Hoffmann

  • Enterotypes in the landscape of gut microbial community composition

    Paul I. Costea;Falk Hildebrand;Manimozhiyan Arumugam;Fredrik Bäckhed;Fredrik Bäckhed

  • Increased risk of lymphoma among inflammatory bowel disease patients treated with azathioprine and 6-mercaptopurine

    A Kandiel;A G Fraser;B I Korelitz;C Brensinger

  • The human gut virome: Inter-individual variation and dynamic response to diet

    Samuel Minot;Rohini Sinha;Jun Chen;Hongzhe Li

  • Archaea and Fungi of the Human Gut Microbiome: Correlations With Diet and Bacterial Residents

    Christian Hoffmann;Serena Dollive;Stephanie Grunberg;Jun Chen

  • Use of the noninvasive components of the mayo score to assess clinical response in Ulcerative Colitis

    James D. Lewis;Shaokun Chuai;Lisa Nessel;Gary R. Lichtenstein

  • Corticosteroids, But Not TNF Antagonists, Are Associated With Adverse COVID-19 Outcomes in Patients With Inflammatory Bowel Diseases: Results From an International Registry.

    Erica J. Brenner;Ryan C. Ungaro;Richard B. Gearry;Gilaad G. Kaplan

  • Inflammation, Antibiotics, and Diet as Environmental Stressors of the Gut Microbiome in Pediatric Crohn's Disease.

    James D. Lewis;Eric Z. Chen;Robert N. Baldassano;Anthony R. Otley

  • Risk of bladder cancer among diabetic patients treated with pioglitazone: interim report of a longitudinal cohort study.

    James D Lewis;Assiamira Ferrara;Tiffany Peng;Monique M Hedderson

  • Correlation between intraluminal oxygen gradient and radial partitioning of intestinal microbiota.

    Lindsey Albenberg;Tatiana V. Esipova;Colleen P. Judge;Kyle Bittinger

  • The Risk of Mortality in Patients With Psoriasis: Results From a Population-Based Study

    Joel M. Gelfand;Andrea B. Troxel;James D. Lewis;Shanu Kohli Kurd

  • Validation studies of the health improvement network (THIN) database for pharmacoepidemiology research

    James D. Lewis;Rita Schinnar;Warren B. Bilker;Xingmei Wang

  • Rapid evolution of the human gut virome

    Samuel Minot;Alexandra Bryson;Christel Chehoud;Gary D. Wu

  • The Utility of Biomarkers in the Diagnosis and Therapy of Inflammatory Bowel Disease

    James D. Lewis

  • Comparative metabolomics in vegans and omnivores reveal constraints on diet-dependent gut microbiota metabolite production

    Gary D Wu;Charlene Compher;Eric Z Chen;Sarah A Smith

  • Insulin therapy and colorectal cancer risk among type 2 diabetes mellitus patients.

    Yu–Xiao Yang;Sean Hennessy;James D. Lewis

Frequent Co-Authors

Gary R. Lichtenstein
Gary R. Lichtenstein University of Pennsylvania
Gary D. Wu
Gary D. Wu University of Pennsylvania
Brian L. Strom
Brian L. Strom Rutgers, The State University of New Jersey
Frederic D. Bushman
Frederic D. Bushman University of Pennsylvania
Jeffrey R. Curtis
Jeffrey R. Curtis University of Alabama at Birmingham
Kyle Bittinger
Kyle Bittinger Children's Hospital of Philadelphia
Jean-Frederic Colombel
Jean-Frederic Colombel Icahn School of Medicine at Mount Sinai
Warren B. Bilker
Warren B. Bilker University of Pennsylvania
Kenneth G. Saag
Kenneth G. Saag University of Alabama at Birmingham
Bruce E. Sands
Bruce E. Sands Icahn School of Medicine at Mount Sinai

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