World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
81
Citations
21598
World Ranking
16753
National Ranking
1524

Peter J. Friend 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 Peter J. Friend 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: 521 publications — 61st percentile

61% of scientists in this discipline score the same or lower.

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

Peter J. Friend 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 Peter J. Friend 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: 81 D-Index — 19th percentile

19% of scientists in this discipline score the same or lower.

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

Overview

Peter J. Friend is affiliated with the University of Oxford in the United Kingdom and has an extensive publication record in the field of medicine, with a total of 228 publications. Their research spans several subfields, including surgery, hepatology, public health, environmental and occupational health, transplantation, and infectious diseases.

Their work focuses on key topics related to organ transplantation techniques and outcomes, organ donation and transplantation, liver disease and transplantation, renal transplantation outcomes and treatments, organ and tissue transplantation research, COVID-19 clinical research studies, and transplantation methods and outcomes.

Peter J. Friend has contributed to several high-impact research papers, such as:

  • Transplantation of discarded livers following viability testing with normothermic machine perfusion, 2020, Nature Communications
  • Regulatory cell therapy in kidney transplantation (The ONE Study): a harmonised design and analysis of seven non-randomised, single-arm, phase 1/2A trials, 2020, The Lancet
  • SARS-CoV-2 infection and early mortality of waitlisted and solid organ transplant recipients in England: A national cohort study, 2020, American Journal of Transplantation
  • Feasibility, long-term safety, and immune monitoring of regulatory T cell therapy in living donor kidney transplant recipients, 2020, American Journal of Transplantation
  • Human intestinal tissue-resident memory T cells comprise transcriptionally and functionally distinct subsets, 2021, Cell Reports

The scientist frequently publishes in venues such as Transplantation, British Journal of Surgery, American Journal of Transplantation, Transplantation Direct, and Transplant International.

Collaborations are an important aspect of their research, with frequent co-authors including Rutger J. Ploeg, James Hunter, Constantin Coussios, Simon Knight, and Richard Dumbill.

Best Publications

  • A randomized trial of normothermic preservation in liver transplantation

    David Nasralla;Constantin C Coussios;Hynek Mergental;M Zeeshan Akhtar

  • The safety and feasibility of extracorporeal high-intensity focused ultrasound (HIFU) for the treatment of liver and kidney tumours in a Western population

    R O Illing;J E Kennedy;F Wu;G R ter Haar

  • Sirolimus Therapy after Early Cyclosporine Withdrawal Reduces the Risk for Cancer in Adult Renal Transplantation

    Josep M. Campistol;Josette Eris;Rainer Oberbauer;Peter Friend

  • Prope tolerance, perioperative campath 1H, and low-dose cyclosporin monotherapy in renal allograft recipients.

    Roy Calne;Peter Friend;Susan Moffatt;Andrew Bradley

  • Liver Transplantation After Ex Vivo Normothermic Machine Preservation: A Phase 1 (First-in-Man) Clinical Trial

    R. Ravikumar;W. Jassem;H. Mergental;N. Heaton

  • Regulatory cell therapy in kidney transplantation (The ONE Study): a harmonised design and analysis of seven non-randomised, single-arm, phase 1/2A trials.

    Birgit Sawitzki;Paul N Harden;Petra Reinke;Aurélie Moreau

  • Major effects of delayed graft function and cold ischaemia time on renal allograft survival

    Isabel Quiroga;Philip McShane;Dicken D. H. Koo;Derek Gray

  • Two-year incidence of malignancy in sirolimus-treated renal transplant recipients: results from five multicenter studies.

    Timothy Mathew;Henri Kreis;Peter Friend

  • Campath IH allows low-dose cyclosporine monotherapy in 31 cadaveric renal allograft recipients.

    R. Calne;S. D. Moffatt;P. J. Friend;N. V. Jamieson

  • Life-supporting pig-to-primate renal xenotransplantation using genetically modified donors.

    Afzal Zaidi;Michael Schmoeckel;Farah Bhatti;Paul Waterworth

  • Transplantation of discarded livers following viability testing with normothermic machine perfusion

    Hynek Mergental;Hynek Mergental;Richard W. Laing;Richard W. Laing;Amanda J. Kirkham;M. Thamara P. R. Perera

  • Normothermic perfusion: a new paradigm for organ preservation.

    Jens Brockmann;Srikanth Reddy;Constantin Coussios;David Pigott

  • Alemtuzumab (CAMPATH 1H) Induction Therapy in Cadaveric Kidney Transplantation—Efficacy and Safety at Five Years

    Christopher J. E. Watson;J. Andrew Bradley;Peter J. Friend;John Firth

  • Advantages of normothermic perfusion over cold storage in liver preservation.

    Charles J Imber;Shawn D St Peter;Inigo Lopez de Cenarruzabeitia;Dave Pigott

  • Long-term survival of nonhuman primates receiving life-supporting transgenic porcine kidney xenografts.

    Emanuele Cozzi;Farah Bhatti;Michael Schmoeckel;Gilda Chavez

  • Phase I study of an engineered aglycosylated humanized CD3 antibody in renal transplant rejection.

    P J Friend;G Hale;L Chatenoud;P Rebello

  • Sirolimus: a potent new immunosuppressant for liver transplantation.

    Christopher J.e. Watson;Peter J. Friend;Neville V. Jamieson;Thomas W. Frick

  • Liver and kidney preservation by perfusion

    Shawn D St Peter;Charles J Imber;Peter J Friend

  • Cold Machine Perfusion Versus Static Cold Storage of Kidneys Donated After Cardiac Death: A UK Multicenter Randomized Controlled Trial

    C. J. E. Watson;A. C. Wells;R. J. Roberts;J. A. Akoh

  • Successful extracorporeal porcine liver perfusion for 72 hr.

    Andrew J Butler;Michael A Rees;Derek G D Wight;Neil D Casey

Frequent Co-Authors

Constantin C. Coussios
Constantin C. Coussios University of Oxford
Rutger J. Ploeg
Rutger J. Ploeg University of Oxford
Herman Waldmann
Herman Waldmann University of Oxford
Kathryn J. Wood
Kathryn J. Wood University of Oxford
John Wallwork
John Wallwork Papworth Hospital
Graeme J. M. Alexander
Graeme J. M. Alexander University College London
Kenneth G. C. Smith
Kenneth G. C. Smith Walter and Eliza Hall Institute of Medical Research
Darius F. Mirza
Darius F. Mirza University of Birmingham
Ian Roberts
Ian Roberts London School of Hygiene & Tropical Medicine
David White
David White University of Southampton

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