World's Best Scientists 2026 revealed!
Gilaad G. Kaplan

Gilaad G. Kaplan

D-Index & Metrics

Medicine

D-Index
100
Citations
58006
World Ranking
8116
National Ranking
309

Gilaad G. Kaplan publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Gilaad G. Kaplan sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 610 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 777 publications — 86th percentile

86% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Gilaad G. Kaplan D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Gilaad G. Kaplan sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 399 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 100 D-Index — 60th percentile

60% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

Gilaad G. Kaplan is affiliated with the University of Calgary in Canada and has contributed extensively to the fields of medicine and biochemistry, genetics, and molecular biology. Their research spans several subfields including genetics, epidemiology, surgery, infectious diseases, and oncology.

Their primary research focus centers on inflammatory bowel disease and related conditions. Key topics in their work include:

  • Inflammatory Bowel Disease
  • Microscopic Colitis
  • Eosinophilic Esophagitis
  • COVID-19 Clinical Research Studies
  • SARS-CoV-2 and COVID-19 Research
  • COVID-19 and healthcare impacts
  • Health Systems, Economic Evaluations, Quality of Life

Kaplan has published numerous papers in various high-impact medical journals. Notable recent papers include:

  • The four epidemiological stages in the global evolution of inflammatory bowel disease, 2020, Nature Reviews Gastroenterology & Hepatology
  • The prevalence and incidence of NAFLD worldwide: a systematic review and meta-analysis, 2022, The Lancet. Gastroenterology & hepatology
  • Twenty-first Century Trends in the Global Epidemiology of Pediatric-Onset Inflammatory Bowel Disease: Systematic Review, 2022, Gastroenterology

Other significant papers, although authored primarily by collaborators, 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
  • Global Incidence of Acute Pancreatitis Is Increasing Over Time: A Systematic Review and Meta-Analysis, 2021, Gastroenterology

Their frequent co-authors reflect a collaborative research approach and include Stephanie Coward, Remo Panaccione, Eric I. Benchimol, Çharles N. Bernstein, and Joseph W. Windsor.

Kaplan's research is widely disseminated through publications in leading journals, with a significant number of works appearing in:

  • Journal of the Canadian Association of Gastroenterology
  • Gastroenterology
  • The American Journal of Gastroenterology
  • Inflammatory Bowel Diseases
  • Journal of Crohn's and Colitis

The volume and scope of the publications demonstrate a sustained contribution to the understanding and clinical evaluation of gastrointestinal diseases, their epidemiology, and associated health outcomes.

Best Publications

  • Increasing Incidence and Prevalence of the Inflammatory Bowel Diseases With Time, Based on Systematic Review

    Natalie A. Molodecky;Ing Shian Soon;Doreen M. Rabi;William A. Ghali

  • Worldwide incidence and prevalence of inflammatory bowel disease in the 21st century: a systematic review of population-based studies

    Siew C Ng;Hai Yun Shi;Hai Yun Shi;Nima Hamidi;Fox E Underwood

  • Global Prevalence of Helicobacter pylori Infection: Systematic Review and Meta-Analysis

    James K.Y. Hooi;Wan Ying Lai;Wee Khoon Ng;Wee Khoon Ng;Michael M.Y. Suen

  • The global burden of IBD: from 2015 to 2025

    Gilaad G. Kaplan

  • Understanding and Preventing the Global Increase of Inflammatory Bowel Disease

    Gilaad G. Kaplan;Siew C. Ng

  • Risk of Surgery for Inflammatory Bowel Diseases Has Decreased Over Time: A Systematic Review and Meta-analysis of Population-Based Studies

    Alexandra D. Frolkis;Jonathan Dykeman;María E. Negrón;Jennifer deBruyn

  • 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

  • The four epidemiological stages in the global evolution of inflammatory bowel disease.

    Gilaad G. Kaplan;Joseph W. Windsor

  • Effect of Oral Capsule- vs Colonoscopy-Delivered Fecal Microbiota Transplantation on Recurrent Clostridium difficile Infection: A Randomized Clinical Trial.

    Dina Kao;Brandi Roach;Marisela Silva;Paul Beck

  • Invasive potential of gut mucosa-derived Fusobacterium nucleatum positively correlates with IBD status of the host.

    Jaclyn Strauss;Gilaad G. Kaplan;Paul L. Beck;Kevin Rioux

  • The Global Incidence of Appendicitis: A Systematic Review of Population-based Studies.

    Mollie Ferris;Samuel Quan;Belle S. Kaplan;Natalie Molodecky

  • Association of host genome with intestinal microbial composition in a large healthy cohort

    Williams Turpin;Osvaldo Espin-Garcia;Wei Xu;Mark S Silverberg;Mark S Silverberg;Mark S Silverberg

  • A National Survey of the Prevalence and Impact of Clostridium difficile Infection Among Hospitalized Inflammatory Bowel Disease Patients

    Geoffrey C Nguyen;Gilaad G Kaplan;Mary L Harris;Steven R Brant

  • Depression in epilepsy: A systematic review and meta-analysis

    Kirsten M. Fiest;Jonathan Dykeman;Scott B. Patten;Samuel Wiebe

  • Environmental Risk Factors for Inflammatory Bowel Disease

    Natalie A Molodecky;Gilaad G Kaplan

  • A Population-Based Study of Pyogenic Liver Abscesses in the United States: Incidence, Mortality, and Temporal Trends

    Liisa Meddings;Robert P Myers;James Hubbard;Abdel Aziz Shaheen

  • Global Incidence of Acute Pancreatitis Is Increasing Over Time: A Systematic Review and Meta-Analysis.

    Jordan P. Iannuzzi;James A. King;Jessica Hope Leong;Joshua Quan

  • Population-based study of the epidemiology of and the risk factors for pyogenic liver abscess

    Gilaad G. Kaplan;Daniel B. Gregson;Kevin B. Laupland

  • Budesonide for induction of remission in Crohn's disease.

    Ali Rezaie;M Ellen Kuenzig;Eric I Benchimol;Eric I Benchimol;Anne Marie Griffiths

  • The Worldwide Incidence and Prevalence of Inflammatory Bowel Disease in the 21 st Century: A Systematic Review of Population-Based Studies

    Siew C. Ng;Hai Yun Shi;Nima Hamidi;Fox E. Underwood

Frequent Co-Authors

Remo Panaccione
Remo Panaccione University of Calgary
Subrata Ghosh
Subrata Ghosh University College Cork
Charles N. Bernstein
Charles N. Bernstein University of Manitoba
Paul L. Beck
Paul L. Beck University of Calgary
Herman W. Barkema
Herman W. Barkema University of Calgary
Siew C. Ng
Siew C. Ng Chinese University of Hong Kong
Anne M. Griffiths
Anne M. Griffiths University of Toronto
Robert P. Myers
Robert P. Myers University of Calgary
David R. Mack
David R. Mack University of Ottawa
Hude Quan
Hude Quan University of Calgary

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