World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
84
Citations
52914
World Ranking
14808
National Ranking
489

John Simes 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 John Simes 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: 383 publications — 35th percentile

35% of scientists in this discipline score the same or lower.

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

John Simes 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 John Simes 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: 84 D-Index — 27th percentile

27% 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

  • 2015 - Fellow of the Australian Academy of Health and Medical Science

Overview

John Simes is affiliated with the University of Sydney in Australia and has contributed extensively to the field of medicine, with a particular focus on oncology. Their research spans a variety of subfields including pulmonary and respiratory medicine, surgery, cancer research, and genetics. The primary domain of their work centers on oncology, supported by 38 published works in this subfield.

The scientist's research topics cover diverse areas within cancer treatment and management. Key topics of their work include:

  • Gastric Cancer Management and Outcomes
  • Colorectal Cancer Treatments and Studies
  • Cancer Genomics and Diagnostics
  • Lung Cancer Treatments and Mutations
  • Colorectal Cancer Surgical Treatments
  • Health Systems, Economic Evaluations, Quality of Life
  • Glioma Diagnosis and Treatment

John Simes has published research in several prominent medical and oncology journals, with frequent contributions to:

  • Journal of Clinical Oncology (12 publications)
  • Annals of Oncology (8 publications)
  • Annals of Surgical Oncology (3 publications)
  • Neuro-Oncology (2 publications)
  • Trials (2 publications)

Their recent papers include:

  • Meta-analysis of chemotherapy in head and neck cancer (MACH-NC): An update on 107 randomized trials and 19,805 patients, on behalf of MACH-NC Group, 2021, Radiotherapy and Oncology
  • Guidelines for Reporting Trial Protocols and Completed Trials Modified Due to the COVID-19 Pandemic and Other Extenuating Circumstances, 2021, JAMA
  • Chemotherapy and radiotherapy in locally advanced head and neck cancer: an individual patient data network meta-analysis, 2021, The Lancet Oncology
  • A randomized phase II trial of veliparib, radiotherapy, and temozolomide in patients with unmethylated MGMT glioblastoma: the VERTU study, 2021, Neuro-Oncology
  • Preoperative cisplatin, fluorouracil, and docetaxel with or without radiotherapy after poor early response to cisplatin and fluorouracil for resectable oesophageal adenocarcinoma (AGITG DOCTOR): results from a multicentre, randomised controlled phase II trial, 2020, Annals of Oncology

Collaborative work is a significant aspect of their research career. Frequent co-authors include:

  • Subotheni Thavaneswaran
  • Val Gebski
  • Katrin Marie Sjoquist
  • Mandy L. Ballinger
  • David M. Thomas

John Simes was recognized as a Fellow of the Australian Academy of Health and Medical Science in 2015.

Best Publications

  • Efficacy and safety of more intensive lowering of LDL cholesterol: a meta-analysis of data from 170,000 participants in 26 randomised trials.

    C Baigent;L Blackwell;J Emberson

  • Randomised trial of a perindopril-based blood-pressure-lowering regimen among 6105 individuals with previous stroke or transient ischaemic attack

    S. MacMahon;B. Neal;C. Tzourio;A. Rodgers

  • The effects of lowering LDL cholesterol with statin therapy in people at low risk of vascular disease: Meta-analysis of individual data from 27 randomised trials

    B Mihaylova;J Emberson;L Blackwell

  • Survival after neoadjuvant chemotherapy or chemoradiotherapy for resectable oesophageal carcinoma: an updated meta-analysis

    Katrin M Sjoquist;Bryan H Burmeister;B Mark Smithers;B Mark Smithers;John R Zalcberg

  • Interpretation of the evidence for the efficacy and safety of statin therapy.

    Rory Collins;Christina Reith;Jonathan Emberson;Jane Armitage

  • Efficacy of cholesterol-lowering therapy in 18,686 people with diabetes in 14 randomised trials of statins: a meta-analysis.

    P M Kearney;L Blackwell;R Collins

  • Systematic Review of the Empirical Evidence of Study Publication Bias and Outcome Reporting Bias

    Kerry Dwan;Douglas G. Altman;Juan A. Arnaiz;Jill Bloom

  • Efficacy and safety of LDL-lowering therapy among men and women: Meta-analysis of individual data from 174 000 participants in 27 randomised trials

    J Fulcher;R O'Connell;M Voysey

  • Survival benefits from neoadjuvant chemoradiotherapy or chemotherapy in oesophageal carcinoma: a meta-analysis

    Val Gebski;Bryan Burmeister;B Mark Smithers;Kerwyn Foo

  • Platelet glycoprotein IIb/IIIa inhibitors in acute coronary syndromes: a meta-analysis of all major randomised clinical trials

    Eric Boersma;Robert A Harrington;David J Moliterno;Harvey White

  • A systematic review of physicians' survival predictions in terminally ill cancer patients

    Paul Glare;Kiran Virik;Mark Jones;Malcolm Hudson

  • Effect of Laparoscopic-Assisted Resection vs Open Resection on Pathological Outcomes in Rectal Cancer: The ALaCaRT Randomized Clinical Trial

    Andrew R. L. Stevenson;Andrew R. L. Stevenson;Michael J. Solomon;John W. Lumley;Peter Hewett

  • Prevention of pulmonary embolism and deep vein thrombosis with low dose aspirin: Pulmonary Embolism Prevention (PEP) trial

    J O'Brien;H Duncan;G Kirsh;V Allen

  • Association of KRAS p.G13D Mutation With Outcome in Patients With Chemotherapy-Refractory Metastatic Colorectal Cancer Treated With Cetuximab

    Wendy De Roock;Derek J Jonker;Federica Di Nicolantonio;Andrea Sartore-Bianchi

  • Efficacy and safety of statin therapy in older people: a meta-analysis of individual participant data from 28 randomised controlled trials

    Jane Armitage;Colin Baigent;Elizabeth Barnes;D John Betteridge

  • Low-Dose Aspirin for Preventing Recurrent Venous Thromboembolism

    Timothy A. Brighton;John W. Eikelboom;Kristy Mann;Rebecca Mister

  • Effect of Pravastatin on Coronary Disease Events in Subgroups Defined by Coronary Risk Factors The Prospective Pravastatin Pooling Project

    Frank M. Sacks;Andrew M. Tonkin;James Shepherd;Eugene Braunwald

  • Effect of Pravastatin on Cardiovascular Events in People With Chronic Kidney Disease

    Marcello Tonelli;Chris Isles;Gary C Curhan;Andrew Maxwell Tonkin

  • Baseline and on-statin treatment lipoprotein(a) levels for prediction of cardiovascular events: individual patient-data meta-analysis of statin outcome trials

    Peter Willeit;Peter Willeit;Paul M Ridker;Paul J Nestel;John Simes

  • Delayed vs early umbilical cord clamping for preterm infants: a systematic review and meta-analysis

    Michael Fogarty;David A. Osborn;Lisa Askie;Anna Lene Seidler

Frequent Co-Authors

Andrew Tonkin
Andrew Tonkin Monash University
Anthony C. Keech
Anthony C. Keech University of Sydney
Val Gebski
Val Gebski University of Sydney
Harvey D. White
Harvey D. White Auckland City Hospital
John R. Zalcberg
John R. Zalcberg Monash University
David Colquhoun
David Colquhoun University of Queensland
Paul J. Nestel
Paul J. Nestel Baker IDI Heart and Diabetes Institute
Dongsheng Tu
Dongsheng Tu Queen's University
Rory Collins
Rory Collins University of Oxford
Colin Baigent
Colin Baigent University of Oxford

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