World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
97
Citations
40014
World Ranking
9179
National Ranking
4735

Grant R. Wilkinson 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 Grant R. Wilkinson 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: 245 publications — 7th percentile

7% of scientists in this discipline score the same or lower.

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

Grant R. Wilkinson 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 Grant R. Wilkinson 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: 97 D-Index — 55th percentile

55% 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

  • 1982 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

What is he best known for?

The fields of study he is best known for:

  • Internal medicine
  • Gene
  • Enzyme

Grant R. Wilkinson focuses on Pharmacology, Internal medicine, Pharmacokinetics, Pharmacogenetics and Polymorphism. His work on Drug metabolism, Oral administration and Drug as part of general Pharmacology study is frequently linked to Nelfinavir, therefore connecting diverse disciplines of science. He combines subjects such as Metabolite, CYP3A and Bioavailability with his study of Oral administration.

His Internal medicine study combines topics in areas such as Gastroenterology, Endocrinology and CYP3A5, Genotype. His Pharmacokinetics research is multidisciplinary, incorporating perspectives in Supine position and Blood pressure. His work deals with themes such as Mephenytoin and Hydroxylation, which intersect with Polymorphism.

His most cited work include:

  • A physiological approach to hepatic drug clearance (1631 citations)
  • The drug transporter P-glycoprotein limits oral absorption and brain entry of HIV-1 protease inhibitors. (987 citations)
  • Drug metabolism and variability among patients in drug response (912 citations)

What are the main themes of his work throughout his whole career to date?

Grant R. Wilkinson mainly focuses on Pharmacology, Internal medicine, Pharmacokinetics, Endocrinology and Oral administration. His Pharmacology research includes themes of Mephenytoin, Debrisoquin and Metabolite. His Internal medicine research incorporates elements of Gastroenterology, Pharmacogenetics and In vivo.

In Pharmacokinetics, Grant R. Wilkinson works on issues like Anesthesia, which are connected to Indocyanine green. His Endocrinology research integrates issues from Polymorphism and Half-life. His Oral administration study also includes fields such as

  • Bioavailability which is related to area like Dosing,
  • Midazolam together with CYP3A and Erythromycin breath test.

He most often published in these fields:

  • Pharmacology (54.22%)
  • Internal medicine (41.78%)
  • Pharmacokinetics (39.11%)

What were the highlights of his more recent work (between 2003-2018)?

  • Pharmacogenetics (21.33%)
  • Pharmacology (54.22%)
  • Internal medicine (41.78%)

In recent papers he was focusing on the following fields of study:

Grant R. Wilkinson mostly deals with Pharmacogenetics, Pharmacology, Internal medicine, CYP2C9 and Tariquidar. His Pharmacogenetics research is multidisciplinary, incorporating elements of Pharmacogenomics, Reverse-transcriptase inhibitor and Single-nucleotide polymorphism. Grant R. Wilkinson works mostly in the field of Pharmacology, limiting it down to topics relating to Erythromycin breath test and, in certain cases, Oral administration, as a part of the same area of interest.

His work is dedicated to discovering how CYP2C9, Bioinformatics are connected with Polymorphism, Aryl Hydrocarbon Hydroxylases and Maintenance dose and other disciplines. He has researched Tariquidar in several fields, including Animal studies and In vivo. His Midazolam study integrates concerns from other disciplines, such as Hypnotic, CYP3A, Triazolam and Bioavailability.

Between 2003 and 2018, his most popular works were:

  • Drug metabolism and variability among patients in drug response (912 citations)
  • Lorazepam is an independent risk factor for transitioning to delirium in intensive care unit patients. (848 citations)
  • Pharmacogenetics of efavirenz and central nervous system side effects: an Adult AIDS Clinical Trials Group study. (549 citations)

In his most recent research, the most cited papers focused on:

  • Internal medicine
  • Gene
  • Enzyme

His main research concerns Pharmacogenetics, Pharmacology, Internal medicine, Efavirenz and CYP3A5. His Pharmacogenetics study is related to the wider topic of Genetics. His biological study focuses on Maintenance dose.

His Internal medicine study combines topics from a wide range of disciplines, such as Gastroenterology, Immunology and Reverse-transcriptase inhibitor. Grant R. Wilkinson has included themes like CYP2C19, Sida, Cytochrome P-450 CYP2B6 and Oncology in his CYP3A5 study. His research integrates issues of Pharmacokinetics and Immunopathology in his study of Cytochrome P-450 CYP2B6.

Best Publications

  • A physiological approach to hepatic drug clearance

    Grant R. Wilkinson;David G. Shand

  • Drug metabolism and variability among patients in drug response

    Grant R. Wilkinson

  • Lorazepam is an independent risk factor for transitioning to delirium in intensive care unit patients.

    Pratik Pandharipande;Ayumi Shintani;Josh Peterson;Brenda Truman Pun

  • The drug transporter P-glycoprotein limits oral absorption and brain entry of HIV-1 protease inhibitors.

    R. B. Kim;M. F. Fromm;C. Wandel;B. Leake

  • The major genetic defect responsible for the polymorphism of S-mephenytoin metabolism in humans.

    S. M. F. De Morais;G. R. Wilkinson;J. Blaisdell;K. Nakamura

  • Identification of functionally variant MDR1 alleles among European Americans and African Americans

    Richard B. Kim;Richard B. Kim;Brenda F. Leake;Brenda F. Leake;Edna F. Choo;Edna F. Choo;George K. Dresser;George K. Dresser

  • IN VITRO AND IN VIVO DRUG INTERACTIONS INVOLVING HUMAN CYP3A

    K. E. Thummel;G. R. Wilkinson

  • IDENTIFICATION OF A NEW GENETIC DEFECT RESPONSIBLE FOR THE POLYMORPHISM OF (S)-MEPHENYTOIN METABOLISM IN JAPANESE

    S. M. F. De Morais;G. R. Wilkinson;J. Blaisdell;U. A. Meyer

  • THE EFFECTS OF AGE AND LIVER DISEASE ON THE DISPOSITION AND ELIMINATION OF DIAZEPAM IN ADULT MAN

    U. Klotz;G. R. Avant;A. Hoyumpa;S. Schenker

  • Pharmacogenetics of efavirenz and central nervous system side effects: an Adult AIDS Clinical Trials Group study.

    David W Haas;Heather J Ribaudo;Richard B Kim;Camlin Tierney

  • OATP and P-Glycoprotein Transporters Mediate the Cellular Uptake and Excretion of Fexofenadine

    Mirjana Cvetkovic;Brenda Leake;Martin F. Fromm;Grant R. Wilkinson

  • Oral first-pass elimination of midazolam involves both gastrointestinal and hepatic CYP3A-mediated metabolism

    Kenneth E. Thummel;Kenneth E. Thummel;Diarmuid O'Shea;Diarmuid O'Shea;Mary F. Paine;Mary F. Paine;Danny D. Shen;Danny D. Shen

  • Interethnic differences in genetic polymorphism of debrisoquin and mephenytoin hydroxylation between Japanese and Caucasian populations.

    K Nakamura;K Nakamura;F Goto;F Goto;W A Ray;W A Ray;C B McAllister;C B McAllister

  • Interrelationship between substrates and inhibitors of human CYP3A and P-glycoprotein.

    R. B. Kim;C. Wandel;B. Leake;M. Cvetkovic

  • Different contributions of polymorphisms in VKORC1 and CYP2C9 to intra- and inter-population differences in maintenance dose of warfarin in Japanese, Caucasians and African-Americans

    Harumi Takahashi;Grant R Wilkinson;Edith A Nutescu;Takashi Morita

  • Inhibition of P-Glycoprotein–Mediated Drug Transport A Unifying Mechanism to Explain the Interaction Between Digoxin and Quinidine

    M F Fromm;R B Kim;C M Stein;G R Wilkinson

  • Reduction of Liver Blood Flow and Propranolol Metabolism by Cimetidine

    John Feely;Grant R. Wilkinson;Alastair J. J. Wood

  • Pharmacological Inhibition of P-glycoprotein Transport Enhances the Distribution of HIV-1 Protease Inhibitors into Brain and Testes

    Edna F. Choo;Brenda Leake;Christoph Wandel;Hitoshi Imamura

  • Clearance approaches in pharmacology

    G R Wilkinson

  • Purification and characterization of the human liver cytochromes P-450 involved in debrisoquine 4-hydroxylation and phenacetin O-deethylation, two prototypes for genetic polymorphism in oxidative drug metabolism.

    L M Distlerath;P E Reilly;M V Martin;G G Davis

Frequent Co-Authors

Alastair J. J. Wood
Alastair J. J. Wood Vanderbilt University
Richard B. Kim
Richard B. Kim University of Western Ontario
Dan M. Roden
Dan M. Roden Vanderbilt University Medical Center
David W. Haas
David W. Haas Vanderbilt University Medical Center
C. Michael Stein
C. Michael Stein Vanderbilt University Medical Center
Martin F. Fromm
Martin F. Fromm University of Erlangen-Nuremberg
Kenneth E. Thummel
Kenneth E. Thummel University of Washington
E. Wesley Ely
E. Wesley Ely Vanderbilt University Medical Center
John A. Oates
John A. Oates Vanderbilt University
Carol M. Black
Carol M. Black University College London

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Best Scientists Citing Grant R. Wilkinson