World's Best Scientists 2026 revealed!
Giovanni Barbara

Giovanni Barbara

D-Index & Metrics

Medicine

D-Index
83
Citations
27991
World Ranking
15518
National Ranking
603

Giovanni Barbara 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 Giovanni Barbara 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: 434 publications — 46th percentile

46% of scientists in this discipline score the same or lower.

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

Giovanni Barbara 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 Giovanni Barbara 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: 83 D-Index — 24th percentile

24% of scientists in this discipline score the same or lower.

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

Overview

Giovanni Barbara is affiliated with the University of Bologna in Italy and has contributed extensively to the field of medicine, specifically focusing on gastroenterology and related subfields. Their research spans surgery, molecular biology, pulmonary and respiratory medicine, and epidemiology, reflecting a broad interdisciplinary approach.

Their work primarily concentrates on topics such as gastrointestinal motility and disorders, gut microbiota and health, diverticular disease and complications, Helicobacter pylori-related gastroenterology studies, gastrointestinal disorders and treatments, gastroesophageal reflux and treatments, and microscopic colitis.

Among the recent papers authored or coauthored by Giovanni Barbara are:

  • Inflammatory and Microbiota-Related Regulation of the Intestinal Epithelial Barrier (2021) published in Frontiers in Nutrition
  • Genome-wide analysis of 53,400 people with irritable bowel syndrome highlights shared genetic pathways with mood and anxiety disorders (2021) published in Nature Genetics
  • European Society of Coloproctology: guidelines for the management of diverticular disease of the colon (2020) published in Colorectal Disease
  • United European Gastroenterology (UEG) and European Society for Neurogastroenterology and Motility (ESNM) consensus on functional dyspepsia (2021) published in United European Gastroenterology Journal
  • Functional bowel disorders with diarrhoea: Clinical guidelines of the United European Gastroenterology and European Society for Neurogastroenterology and Motility (2022) published in United European Gastroenterology Journal

Giovanni Barbara frequently collaborates with other researchers. Notable coauthors include Giovanni Marasco, Cesare Cremon, Vincenzo Stanghellini, Maria Raffaella Barbaro, and Edoardo Savarino, with collaboration counts ranging from 20 to 77 joint publications.

Their research has been published in several prominent scientific journals, with recurrent contributions in:

  • Digestive and Liver Disease
  • Gastroenterology
  • Neurogastroenterology & Motility
  • Endoscopy
  • Nutrients

Giovanni Barbara's work reflects a multifaceted investigation into medical issues related to the digestive system, supplemented by a comprehensive exploration of the biological and clinical dimensions of gastrointestinal diseases.

Best Publications

  • Activated mast cells in proximity to colonic nerves correlate with abdominal pain in irritable bowel syndrome.

    Giovanni Barbara;Vincenzo Stanghellini;Roberto De Giorgio;Cesare Cremon

  • Intestinal permeability – a new target for disease prevention and therapy

    Stephan C. Bischoff;Giovanni Barbara;Wim Buurman;Theo Ockhuizen

  • Intestinal microbiota in functional bowel disorders: a Rome foundation report

    Magnus Simrén;Giovanni Barbara;Harry J. Flint;Brennan M R Spiegel

  • Irritable bowel syndrome

    Paul Enck;Qasim Aziz;Giovanni Barbara;Adam D. Farmer

  • Mast Cell-Dependent Excitation of Visceral-Nociceptive Sensory Neurons in Irritable Bowel Syndrome

    Giovanni Barbara;Bingxian Wang;Vincenzo Stanghellini;Roberto de Giorgio

  • Risk indicators of delayed gastric emptying of solids in patients with functional dyspepsia

    V Stanghellini;C Tosetti;A Paternicò;G Barbara

  • Role for protease activity in visceral pain in irritable bowel syndrome.

    Nicolas Cenac;Christopher N. Andrews;Marinella Holzhausen;Kevin Chapman

  • Impaired intestinal barrier integrity in the colon of patients with irritable bowel syndrome: involvement of soluble mediators

    T Piche;G Barbara;P Aubert;S Bruley des Varannes

  • Methodology and indications of H2-breath testing in gastrointestinal diseases: the Rome Consensus Conference.

    Gasbarrini A;Corazza Gr;Gasbarrini G;Montalto M

  • Mucosal immune activation in irritable bowel syndrome: gender-dependence and association with digestive symptoms

    Cesare Cremon;Luciana Gargano;Antonio M Morselli-Labate;Donatella Santini

  • Activation of Human Enteric Neurons by Supernatants of Colonic Biopsy Specimens From Patients With Irritable Bowel Syndrome

    Sabine Buhner;Qin Li;Sheila Vignali;Giovanni Barbara

  • A role for inflammation in irritable bowel syndrome

    G Barbara;R De Giorgio;V Stanghellini;C Cremon

  • Interactions between commensal bacteria and gut sensorimotor function in health and disease.

    Giovanni Barbara;Vincenzo Stanghellini;Giovanni Brandi;Cesare Cremon

  • The Intestinal Microenvironment and Functional Gastrointestinal Disorders

    Giovanni Barbara;Christine Feinle-Bisset;Uday C. Ghoshal;Javier Santos

  • New pathophysiological mechanisms in irritable bowel syndrome.

    G. Barbara;R. De Giorgio;V. Stanghellini;C. Cremon

  • Inflammatory neuropathies of the enteric nervous system.

    Roberto De Giorgio;Stefania Guerrini;Giovanni Barbara;Vincenzo Stanghellini

  • Persistent intestinal neuromuscular dysfunction after acute nematode infection in mice

    G Barbara;BA Vallance;SM Collins

  • Intestinal serotonin release, sensory neuron activation, and abdominal pain in irritable bowel syndrome.

    Cesare Cremon;Giovanni Carini;Bingxian Wang;Valentina Vasina

  • The immune system in irritable bowel syndrome.

    Giovanni Barbara;Cesare Cremon;Giovanni Carini;Lara Bellacosa

  • Enteric neuroplasticity evoked by inflammation.

    Valentina Vasina;Giovanni Barbara;Luigia Talamonti;Vincenzo Stanghellini

Frequent Co-Authors

Vincenzo Stanghellini
Vincenzo Stanghellini University of Bologna
Umberto Volta
Umberto Volta University of Bologna
Catia Sternini
Catia Sternini University of California, Los Angeles
Stephen M. Collins
Stephen M. Collins McMaster University
Salvatore Cucchiara
Salvatore Cucchiara Sapienza University of Rome
Mauro D'Amato
Mauro D'Amato Ikerbasque
Michel Neunlist
Michel Neunlist University of Nantes
Magnus Simren
Magnus Simren University of Gothenburg
Paolo Bosi
Paolo Bosi University of Bologna

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