World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
126
Citations
52824
World Ranking
2986
National Ranking
24

Ka-Fai To 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 Ka-Fai To 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: 595 publications — 71st percentile

71% of scientists in this discipline score the same or lower.

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

Ka-Fai To 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 Ka-Fai To 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: 126 D-Index — 86th percentile

86% of scientists in this discipline score the same or lower.

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

Overview

Ka-Fai To is affiliated with the Chinese University of Hong Kong in China. Their research spans primarily across the fields of Medicine and Biochemistry, Genetics and Molecular Biology, with a significant focus on molecular biology and oncology.

The main subfields of their work include:

  • Molecular Biology
  • Oncology
  • Immunology
  • Cancer Research
  • Pulmonary and Respiratory Medicine

Their research topics cover a range of areas related to cancer biology and immunology, including:

  • Immune cells in cancer
  • Epigenetics and DNA Methylation
  • RNA modifications and cancer
  • Pancreatic and Hepatic Oncology Research
  • Cancer Cells and Metastasis
  • Cancer Immunotherapy and Biomarkers
  • Cancer-related molecular mechanisms research

Recent publications highlight diverse contributions to oncology and related biomedical fields. Notable papers include:

  • "Nasopharyngeal carcinoma: an evolving paradigm," 2021, Nature Reviews Clinical Oncology
  • "Cellular zinc metabolism and zinc signaling: from biological functions to diseases and therapeutic targets," 2024, Signal Transduction and Targeted Therapy
  • "CircFOXK2 Promotes Growth and Metastasis of Pancreatic Ductal Adenocarcinoma by Complexing with RNA-Binding Proteins and Sponging MiR-942," 2020, Cancer Research
  • "Targeting m 6 A reader YTHDF1 augments antitumour immunity and boosts anti-PD-1 efficacy in colorectal cancer," 2023, Gut
  • "Smad3 Promotes Cancer-Associated Fibroblasts Generation via Macrophage-Myofibroblast Transition," 2021, Advanced Science

Ka-Fai To has collaborated frequently with several researchers, including:

  • Wei Kang
  • Jun Yu
  • Bonan Chen
  • Alvin Ho-Kwan Cheung
  • Patrick Ming-Kuen Tang

The scientist has published extensively in venues that focus on oncology and cancer biology. Frequent publication platforms include:

  • Cancer Research
  • Nature Communications
  • Oncogene
  • Cancer Letters
  • Gut

Best Publications

  • A Major Outbreak of Severe Acute Respiratory Syndrome in Hong Kong

    Nelson Lee;David Hui;Alan Wu;Paul Chan

  • Biomarker Analyses and Final Overall Survival Results From a Phase III, Randomized, Open-Label, First-Line Study of Gefitinib Versus Carboplatin/Paclitaxel in Clinically Selected Patients With Advanced Non–Small-Cell Lung Cancer in Asia (IPASS)

    Masahiro Fukuoka;Yi Long Wu;Sumitra Thongprasert;Patrapim Sunpaweravong

  • Clopidogrel versus aspirin and esomeprazole to prevent recurrent ulcer bleeding.

    Francis K L Chan;Jessica Y L Ching;Lawrence C T Hung;Vincent W S Wong

  • Enteric involvement of severe acute respiratory syndrome-associated coronavirus infection.

    Wai K Leung;Ka-fai To;Paul K.S Chan;Henry L.Y Chan

  • Celecoxib versus diclofenac and omeprazole in reducing the risk of recurrent ulcer bleeding in patients with arthritis.

    Francis K L Chan;Lawrence C T Hung;Bing Y Suen;Justin C Y Wu

  • Haematological manifestations in patients with severe acute respiratory syndrome : retrospective analysis

    Raymond S M Wong;Alan Wu;K F To;Nelson Lee

  • Focus on nasopharyngeal carcinoma.

    Kwok Wai Lo;Ka Fai To;Dolly P Huang

  • Pathology of fatal human infection associated with avian influenza A H5N1 virus.

    Ka-Fai To;Paul K.S. Chan;Kui-Fat Chan;Wai-Ki Lee

  • An Epstein-Barr virus–encoded microRNA targets PUMA to promote host cell survival

    Elizabeth Yee-Wai Choy;Kam-Leung Siu;Kin-Hang Kok;Raymond Wai-Ming Lung

  • Randomised trial of eradication of Helicobacter pylori before non-steroidal anti-inflammatory drug therapy to prevent peptic ulcers

    Francis K L Chan;Joseph J Y Sung;S C Sydney Chung;K F To

  • Acute renal impairment in coronavirus-associated severe acute respiratory syndrome

    Kwok Hong Chu;Wai Kay Tsang;Colin S. Tang;Man Fai Lam

  • MicroRNA-223 Is Commonly Repressed in Hepatocellular Carcinoma and Potentiates Expression of Stathmin1

    Queenie W.–L. Wong;Raymond W.–M. Lung;Priscilla T.–Y. Law;Paul B.–S. Lai

  • Enteric involvement of severe acute respiratory syndrome-associated coronavirus infection1 1The authors thank Man-yee Yung, Sara Fung, Dr. Bonnie Kwan, and Dr. Thomas Li for their help in retrieving patient information.

    Wai K Leung;Ka-fai To;Paul K.S Chan;Henry L.Y Chan

  • Single-Molecule Detection of Epidermal Growth Factor Receptor Mutations in Plasma by Microfluidics Digital PCR in Non–Small Cell Lung Cancer Patients

    Tony K F Yung;K. C Allen Chan;Tony S K Mok;Joanna Tong

  • Eradication of Helicobacter pylori and risk of peptic ulcers in patients starting long-term treatment with non-steroidal anti-inflammatory drugs: a randomised trial

    Francis K L Chan;K F To;Justin C Y Wu;M Y Yung

  • Modulation of LMP1 protein expression by EBV-encoded microRNAs

    Angela Kwok Fung Lo;Ka Fai To;Kwok Wai Lo;Raymond Wai Ming Lung

  • miR-130b Promotes CD133+ Liver Tumor-Initiating Cell Growth and Self-Renewal via Tumor Protein 53-Induced Nuclear Protein 1

    Stephanie Ma;Kwan Ho Tang;Yuen Piu Chan;Terence K. Lee

  • High Frequency of Promoter Hypermethylation of RASSF1A in Nasopharyngeal Carcinoma

    Kwok-Wai Lo;Joseph Kwong;Angela Bik-Yu Hui;Sylvia Yat-Yee Chan

  • MET Amplification and Exon 14 Splice Site Mutation Define Unique Molecular Subgroups of Non-Small Cell Lung Carcinoma with Poor Prognosis.

    Joanna H. Tong;Sai F. Yeung;Anthony W.H. Chan;Lau Y. Chung

  • Coexpression of hypoxia-inducible factors 1alpha and 2alpha, carbonic anhydrase IX, and vascular endothelial growth factor in nasopharyngeal carcinoma and relationship to survival.

    Edwin Pun Hui;Anthony Tak-cheung Chan;Francesco Pezzella;Helen Turley

Frequent Co-Authors

Joseph J.Y. Sung
Joseph J.Y. Sung Nanyang Technological University
Jun Yu
Jun Yu Chinese University of Hong Kong
Kwok Wai Lo
Kwok Wai Lo Chinese University of Hong Kong
Paul B.S. Lai
Paul B.S. Lai Chinese University of Hong Kong
Anthony W.H. Chan
Anthony W.H. Chan Chinese University of Hong Kong
Wai K. Leung
Wai K. Leung University of Hong Kong
Stephen L. Chan
Stephen L. Chan Chinese University of Hong Kong
Francis K.L. Chan
Francis K.L. Chan Chinese University of Hong Kong
Paul K.S. Chan
Paul K.S. Chan Chinese University of Hong Kong
Anthony T.C. Chan
Anthony T.C. Chan Chinese University of Hong Kong

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