World's Best Scientists 2026 revealed!
Award Badge
Medicine
Canada
2023

D-Index & Metrics

Medicine

D-Index
142
Citations
98605
World Ranking
1537
National Ranking
49

Brian G. Feagan 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 Brian G. Feagan 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: 611 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: 980 publications — 94th percentile

94% of scientists in this discipline score the same or lower.

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

Brian G. Feagan 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 Brian G. Feagan 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: 400 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: 142 D-Index — 92nd percentile

92% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2023 - Research.com Medicine in Canada Leader Award

Overview

Brian G. Feagan is a researcher affiliated with the University of Western Ontario in Canada. Their work is primarily situated in the fields of Medicine and Biochemistry, Genetics and Molecular Biology, with a strong focus on subfields such as Genetics, Epidemiology, Surgery, Immunology, and Oncology.

The main topics in their research include Inflammatory Bowel Disease, Microscopic Colitis, Eosinophilic Esophagitis, Autoimmune and Inflammatory Disorders, Immunodeficiency and Autoimmune Disorders, Helicobacter pylori-related gastroenterology studies, and Chronic Lymphocytic Leukemia Research.

The scientist has contributed to several notable publications, particularly in leading medical journals. Recent papers authored or co-authored by them include:

  • Filgotinib as induction and maintenance therapy for ulcerative colitis (SELECTION): a phase 2b/3 double-blind, randomised, placebo-controlled trial, 2021, The Lancet

Other influential papers from their field of work, though authored by frequent collaborators, include:

  • Ozanimod as Induction and Maintenance Therapy for Ulcerative Colitis, 2021, New England Journal of Medicine
  • Risankizumab as induction therapy for Crohn's disease: results from the phase 3 ADVANCE and MOTIVATE induction trials, 2022, The Lancet
  • Efficacy and Safety of Upadacitinib in a Randomized Trial of Patients With Crohn's Disease, 2020, Gastroenterology
  • Etrasimod as induction and maintenance therapy for ulcerative colitis (ELEVATE): two randomised, double-blind, placebo-controlled, phase 3 studies, 2023, The Lancet

They frequently collaborate with several other researchers in the gastroenterology and immunology fields. Notable co-authors include:

  • William J. Sandborn
  • Bruce E. Sands
  • Laurent Peyrin-Biroulet
  • Geert D'Haens
  • Silvio Danese

The scientist regularly publishes in leading journals relevant to their specialty, such as:

  • Gastroenterology
  • Journal of Crohn's and Colitis
  • The American Journal of Gastroenterology
  • Clinical Gastroenterology and Hepatology
  • Alimentary Pharmacology & Therapeutics

Best Publications

  • Maintenance infliximab for Crohn's disease: the ACCENT I randomised trial

    Stephen B Hanauer;Brian G Feagan;Gary R Lichtenstein;Lloyd F Mayer

  • Infliximab for induction and maintenance therapy for ulcerative colitis.

    Paul Rutgeerts;William J Sandborn;Brian G Feagan;Walter Reinisch

  • Vedolizumab as induction and maintenance therapy for ulcerative colitis.

    Brian G Feagan;Paul Rutgeerts;Bruce E Sands;Stephen Hanauer

  • Infliximab Maintenance Therapy for Fistulizing Crohn's Disease

    Bruce E. Sands;Frank H. Anderson;Charles N. Bernstein;William Y. Chey

  • Vedolizumab as Induction and Maintenance Therapy for Crohn's Disease

    William J. Sandborn;Brian G. Feagan;Paul Rutgeerts;Stephen Hanauer

  • Selecting Therapeutic Targets in Inflammatory Bowel Disease (STRIDE): Determining Therapeutic Goals for Treat-to-Target.

    L. Peyrin-Biroulet;W. Sandborn;B. E. Sands;W. Reinisch;W. Reinisch

  • Secukinumab, a human anti-IL-17A monoclonal antibody, for moderate to severe Crohn's disease: unexpected results of a randomised, double-blind placebo-controlled trial

    Wolfgang Hueber;Bruce E Sands;Steve Lewitzky;Marc Vandemeulebroecke

  • A review of activity indices and efficacy end points for clinical trials of medical therapy in adults with ulcerative colitis.

    Geert D’Haens;William J. Sandborn;Brian G. Feagan;Karel Geboes

  • Tofacitinib as Induction and Maintenance Therapy for Ulcerative Colitis

    William J. Sandborn;Chinyu Su;Bruce E. Sands;Geert R. D’Haens

  • Certolizumab pegol for the treatment of Crohn’s disease:

    William J. Sandborn;Brian G. Feagan;Simeon Stoinov;Pieter J. Honiball

  • Early combined immunosuppression or conventional management in patients with newly diagnosed Crohn's disease: an open randomised trial

    Geert D'Haens;Filip Baert;Gert van Assche;Philip Caenepeel

  • SCENIC international consensus statement on surveillance and management of dysplasia in inflammatory bowel disease

    Loren Laine;Loren Laine;Tonya Kaltenbach;Alan Barkun;Kenneth R. McQuaid

  • Ustekinumab Induction and Maintenance Therapy in Refractory Crohn's Disease

    William J. Sandborn;Christopher Gasink;Long Long Gao;Marion A. Blank

  • Comparison of scheduled and episodic treatment strategies of infliximab in Crohn's disease.

    Paul Rutgeerts;Brian G. Feagan;Gary R. Lichtenstein;Lloyd F. Mayer

  • Serious Infections and Mortality in Association With Therapies for Crohn’s Disease: TREAT Registry

    Gary R. Lichtenstein;Brian G. Feagan;Russell D. Cohen;Bruce A. Salzberg

  • Natalizumab induction and maintenance therapy for Crohn's disease.

    William J. Sandborn;Jean Frédéric Colombel;Roberts Enns;Brian G. Feagan

  • Treatment of ulcerative colitis with a humanized antibody to the alpha4beta7 integrin.

    Brian G Feagan;Gordon R Greenberg;Gary Wild;Richard N Fedorak

  • Early Mucosal Healing With Infliximab Is Associated With Improved Long-term Clinical Outcomes in Ulcerative Colitis

    Jean Frédéric Colombel;Paul Rutgeerts;Walter Reinisch;Dirk Esser

  • Subcutaneous golimumab induces clinical response and remission in patients with moderate-to-severe ulcerative colitis.

    William J Sandborn;Brian G Feagan;Colleen W Marano;Hongyan Zhang

  • A Controlled Trial of a Critical Pathway for Treatment of Community-Acquired Pneumonia

    Thomas J. Marrie;Catherine Y. Lau;Susan L. Wheeler;Cindy J. Wong

Frequent Co-Authors

William J. Sandborn
William J. Sandborn University of California, San Diego
Jean-Frederic Colombel
Jean-Frederic Colombel Icahn School of Medicine at Mount Sinai
Bruce E. Sands
Bruce E. Sands Icahn School of Medicine at Mount Sinai
Geert R. D'Haens
Geert R. D'Haens University of Amsterdam
Walter Reinisch
Walter Reinisch Medical University of Vienna
Stephen B. Hanauer
Stephen B. Hanauer Northwestern University
Remo Panaccione
Remo Panaccione University of Calgary
Stefan Schreiber
Stefan Schreiber Kiel University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Aspiring medical professionals have more flexible education options than ever before, thanks to online degree programs in key healthcare fields. For those interested in nursing, several affordable pathways exist, each catering to a variety of backgrounds and career aspirations.

Current registered nurses can pursue advanced academic roles by enrolling in doctorate in nursing education online programs to prepare for teaching, research, or leadership careers. If you’re looking to enhance your nursing credentials without a large financial burden, check out the cheapest rn to bsn online programs.

For those considering a career pivot, there are online msn programs for non nurses that allow individuals from non-nursing backgrounds to quickly transition into nursing at an advanced level. Alternatively, individuals without prior nursing experience can start their journey with online adn programs for non nurses, providing a foundational entry point into the healthcare field.

With these diverse and accessible online options, students can find a program that matches their needs—whether aiming for clinical practice, education, or administration in medicine and healthcare.

Best Scientists Citing Brian G. Feagan

Trending Scientists

Recently Published Articles