World's Best Scientists 2026 revealed!
Per M. Hellström

Per M. Hellström

D-Index & Metrics

Medicine

D-Index
82
Citations
23625
World Ranking
16168
National Ranking
298

Per M. Hellström 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 Per M. Hellström 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: 473 publications — 53rd percentile

53% of scientists in this discipline score the same or lower.

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

Per M. Hellström 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 Per M. Hellström 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: 82 D-Index — 21st percentile

21% of scientists in this discipline score the same or lower.

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

Overview

Per M. Hellström is affiliated with Uppsala University in Sweden and specializes in the field of medicine, with a significant focus on gastroenterology. Their research contributions span multiple subfields including gastroenterology, surgery, infectious diseases, genetics, and physiology.

The main topics addressed in their work include:

  • Gastrointestinal motility and disorders
  • Diet and metabolism studies
  • Helicobacter pylori-related gastroenterology studies
  • Gastroesophageal reflux and treatments
  • Inflammatory Bowel Disease
  • Microscopic Colitis
  • Celiac Disease Research and Management

Per M. Hellström has published research extensively in various scientific journals. Frequent publication venues include:

  • Gastroenterology
  • Scandinavian Journal of Gastroenterology
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Upsala Journal of Medical Sciences
  • European Heart Journal

Some recent notable papers in which Per M. Hellström is involved include:

  • "International consensus on the diagnosis and management of dumping syndrome," 2020, Nature Reviews Endocrinology
  • "Deep Remission at 1 Year Prevents Progression of Early Crohn's Disease," 2020, Gastroenterology
  • "Chemotherapeutics-Induced Intestinal Mucositis: Pathophysiology and Potential Treatment Strategies," 2021, Frontiers in Pharmacology
  • "Effects of whole-grain wheat, rye, and lignan supplementation on cardiometabolic risk factors in men with metabolic syndrome: a randomized crossover trial," 2020, American Journal of Clinical Nutrition
  • "Etrolizumab versus infliximab for the treatment of moderately to severely active ulcerative colitis (GARDENIA): a randomised, double-blind, double-dummy, phase 3 study," 2021, The Lancet. Gastroenterology & hepatology

The scientist frequently collaborates with other researchers in their field. Frequent co-authors include:

  • Dominic-Luc Webb
  • Magnus Sundbom
  • Mikael E. Sellin
  • Jens Eriksson
  • Rikard Landberg

Best Publications

  • Infliximab as Rescue Therapy in Severe to Moderately Severe Ulcerative Colitis: A Randomized, Placebo-Controlled Study

    Gunnar Järnerot;Erik Hertervig;Ingalill Friis-Liby;Lars Blomquist

  • A meta-analysis of the effect of glucagon-like peptide-1 (7-36) amide on ad libitum energy intake in humans.

    C. Verdich;A. Flint;J.-P. Gutzwiller;E. Näslund

  • A carbohydrate-rich drink reduces preoperative discomfort in elective surgery patients.

    Jonatan Hausel;Jonas Nygren;Michael Lagerkranser;Per M. Hellström

  • Improvement of liver function in liver cirrhosis patients after autologous mesenchymal stem cell injection: a phase I-II clinical trial.

    Pedram Kharaziha;Per M. Hellström;Babak Noorinayer;Farivar Farzaneh

  • Energy intake and appetite are suppressed by glucagon-like peptide-1 (GLP-1) in obese men.

    Näslund E;Barkeling B;King N;Gutniak M

  • Localization of peptide YY (PYY) in gastrointestinal endocrine cells and effects on intestinal blood flow and motility.

    J M Lundberg;K Tatemoto;L Terenius;P M Hellström

  • GLP-1 slows solid gastric emptying and inhibits insulin, glucagon, and PYY release in humans

    Erik Näslund;Jesper Bogefors;Staffan Skogar;Per Grybäck

  • Infliximab in inflammatory bowel disease: clinical outcome in a population based cohort from Stockholm County

    T Ljung;P Karlén;D Schmidt;P M Hellström

  • Influence of microbial species on small intestinal myoelectric activity and transit in germ-free rats

    Einar Husebye;Per M. Hellström;Frank Sundler;Jie Chen

  • Ghrelin stimulates gastric emptying and hunger in normal-weight humans.

    F Levin;T Edholm;P T Schmidt;P Grybäck

  • Glucagon-like peptide 1 increases the period of postprandial satiety and slows gastric emptying in obese men.

    E Näslund;M Gutniak;S Skogar;S Rössner

  • Changes in Glucose Homeostasis after Roux-en-Y Gastric Bypass Surgery for Obesity at Day Three, Two Months, and One Year after Surgery: Role of Gut Peptides

    Y. Falkén;Per M. Hellström;J. J. Holst;E. Näslund

  • Greatly increased luminal nitric oxide in ulcerative colitis

    J.O.N. Lundberg;J.M. Lundberg;K. Alving;P.M. Hellström

  • The physiology of gastric emptying

    Per M. Hellström;Per Grybäck;Hans Jacobsson

  • Prandial subcutaneous injections of glucagon-like peptide-1 cause weight loss in obese human subjects

    Erik Näslund;N. King;S. Mansten;N. Adner

  • The Goteborg MCI study: mild cognitive impairment is a heterogeneous condition

    Arto Nordlund;Sindre Rolstad;Per Hellström;Magnus Sjögren

  • Appetite signaling: From gut peptides and enteric nerves to brain

    Erik Näslund;Per M. Hellström

  • Gastrointestinal hormones and gastric emptying 20 years after jejunoileal bypass for massive obesity.

    E Näslund;P Grybäck;P M Hellström;H Jacobsson

  • Expert consensus document: Advances in the diagnosis and classification of gastric and intestinal motility disorders

    Jutta Keller;Gabrio Bassotti;John Clarke;Phil Dinning

  • Clinical trial: colectomy after rescue therapy in ulcerative colitis – 3‐year follow‐up of the Swedish‐Danish controlled infliximab study

    Anders Gustavsson;Gunnar Järnerot;Erik Hertervig;Ingalill Friis-Liby

Frequent Co-Authors

Jens J. Holst
Jens J. Holst University of Copenhagen
Elvar Theodorsson
Elvar Theodorsson Linköping University
Suad Efendic
Suad Efendic Karolinska Institute
Jon O. Lundberg
Jon O. Lundberg Karolinska Institute
John E. Blundell
John E. Blundell University of Leeds
Tore Midtvedt
Tore Midtvedt Karolinska Institute
Nicholas J. Talley
Nicholas J. Talley University of Newcastle Australia
Jan Tack
Jan Tack KU Leuven
Eddie Weitzberg
Eddie Weitzberg Karolinska Institute
Richard W. McCallum
Richard W. McCallum Texas Tech University Health Sciences Center

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