World's Best Scientists 2026 revealed!
Hiroaki Nagano

Hiroaki Nagano

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Medicine 86 14085 13261 422 399 813 28384

Hiroaki Nagano publications per year

The chart shows the history of publications by Hiroaki Nagano between 1985 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hiroaki Nagano published across 42 years, from 1985 to 2026, averaging 23 papers a year. Output peaked at 55 publications in 2023. 29 of the 964 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1985 to 2026. Vertical axis: number of publications, 0 to 55. Peak 55 publications in 2023. 1985: 3 publications 1986: 2 publications 1987: 2 publications 1988: 1 publication 1989: 5 publications 1990: 9 publications 1991: 2 publications 1992: 1 publication 1993: 4 publications 1994: 5 publications 1995: 2 publications 1996: 1 publication 1997: 4 publications 1998: 14 publications 1999: 17 publications 2000: 20 publications 2001: 9 publications 2002: 13 publications 2003: 28 publications 2004: 33 publications 2005: 17 publications 2006: 29 publications 2007: 24 publications 2008: 16 publications 2009: 22 publications 2010: 41 publications 2011: 32 publications 2012: 48 publications 2013: 47 publications 2014: 46 publications 2015: 50 publications 2016: 50 publications 2017: 38 publications 2018: 50 publications 2019: 50 publications 2020: 39 publications 2021: 38 publications 2022: 28 publications 2023: 55 publications 2024: 40 publications 2025: 28 publications 2026: 1 publication
1985 2026

964 publications in total across all disciplines

View publications per year as a table
Hiroaki Nagano: publications per year, 1985 to 2026
Year Publications
1985 3
1986 2
1987 2
1988 1
1989 5
1990 9
1991 2
1992 1
1993 4
1994 5
1995 2
1996 1
1997 4
1998 14
1999 17
2000 20
2001 9
2002 13
2003 28
2004 33
2005 17
2006 29
2007 24
2008 16
2009 22
2010 41
2011 32
2012 48
2013 47
2014 46
2015 50
2016 50
2017 38
2018 50
2019 50
2020 39
2021 38
2022 28
2023 55
2024 40
2025 28
2026 1
Total 964
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Hiroaki Nagano 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 Hiroaki Nagano sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 86 bars. Horizontal axis: publications, 101–120 to 1,796+. Vertical axis: number of scientists, 0 to 922. Most scientists, 922, have 341–360 publications. The last bar groups every scientist with 1,796 publications or more. The highlighted bar, 801–820 publications, is where this scientist sits. 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
101–120 publications 1,796+

This scientist: 813 publications — 88th percentile

88% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Medicine scientists by publication count, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
Publications Scientists This scientist
101–120 5
121–140 26
141–160 73
161–180 155
181–200 230
201–220 363
221–240 487
241–260 545
261–280 722
281–300 768
301–320 834
321–340 895
341–360 922
361–380 838
381–400 861
401–420 918
421–440 806
441–460 771
461–480 751
481–500 713
501–520 617
521–540 610
541–560 537
561–580 504
581–600 509
601–620 396
621–640 386
641–660 371
661–680 340
681–700 336
701–720 307
721–740 259
741–760 230
761–780 228
781–800 217
801–820 204 813
821–840 186
841–860 177
861–880 155
881–900 139
901–920 145
921–940 116
941–960 133
961–980 91
981–1,000 96
1,001–1,020 77
1,021–1,040 70
1,041–1,060 63
1,061–1,080 77
1,081–1,100 49
1,101–1,120 54
1,121–1,140 49
1,141–1,160 51
1,161–1,180 35
1,181–1,200 39
1,201–1,220 26
1,221–1,240 37
1,241–1,260 36
1,261–1,280 27
1,281–1,300 32
1,301–1,320 28
1,321–1,340 17
1,341–1,360 30
1,361–1,380 28
1,381–1,400 17
1,401–1,420 21
1,421–1,440 15
1,441–1,460 12
1,461–1,480 12
1,481–1,500 18
1,501–1,520 14
1,521–1,540 17
1,541–1,560 15
1,561–1,580 6
1,581–1,600 2
1,601–1,620 12
1,621–1,640 11
1,641–1,660 8
1,661–1,680 5
1,681–1,700 5
1,701–1,720 10
1,721–1,740 12
1,741–1,760 14
1,761–1,780 6
1,781–1,795 5
1,796+ 100
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Hiroaki Nagano 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 Hiroaki Nagano sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 75 bars. Horizontal axis: D-Index, 70–71 to 217+. Vertical axis: number of scientists, 0 to 1,027. Most scientists, 1,027, have 82–83 D-Index. The last bar groups every scientist with 217 D-Index or more. The highlighted bar, 86–87 D-Index, is where this scientist sits. 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
70–71 D-Index 217+

This scientist: 86 D-Index — 31st percentile

31% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Medicine scientists by D-index, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
D-Index Scientists This scientist
70–71 226
72–73 391
74–75 574
76–77 730
78–79 891
80–81 972
82–83 1,027
84–85 1,003
86–87 960 86
88–89 970
90–91 922
92–93 839
94–95 808
96–97 779
98–99 668
100–101 611
102–103 630
104–105 513
106–107 541
108–109 445
110–111 429
112–113 399
114–115 393
116–117 318
118–119 302
120–121 287
122–123 255
124–125 256
126–127 252
128–129 230
130–131 179
132–133 168
134–135 163
136–137 159
138–139 134
140–141 134
142–143 118
144–145 109
146–147 106
148–149 74
150–151 79
152–153 80
154–155 87
156–157 57
158–159 74
160–161 69
162–163 60
164–165 53
166–167 39
168–169 42
170–171 32
172–173 39
174–175 40
176–177 28
178–179 19
180–181 23
182–183 31
184–185 18
186–187 20
188–189 22
190–191 13
192–193 21
194–195 12
196–197 12
198–199 14
200–201 15
202–203 13
204–205 10
206–207 8
208–209 4
210–211 12
212–213 11
214–215 10
216 4
217+ 98
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Overview

Hiroaki Nagano is affiliated with Osaka University in Japan and has contributed extensively to medical research, particularly in the fields of oncology, surgery, and hepatology. Their work focuses largely on pancreatic and hepatic oncology, with specific attention to cholangiocarcinoma, gallbladder cancer, hepatocellular carcinoma, and related liver diseases.

The scientist's publications demonstrate a consistent engagement with cancer research and treatment methodologies, including studies on colorectal and gastric cancers. Recent notable papers include:

  • Randomized phase III study of gemcitabine, cisplatin plus S-1 versus gemcitabine, cisplatin for advanced biliary tract cancer (KHBO1401-MITSUBA), 2022, Journal of Hepato-Biliary-Pancreatic Sciences
  • Adjuvant S-1 compared with observation in resected biliary tract cancer (JCOG1202, ASCOT): a multicentre, open-label, randomised, controlled, phase 3 trial, 2023, The Lancet
  • Efficacy of primary liver organoid culture from different stages of non-alcoholic steatohepatitis (NASH) mouse model, 2020, Biomaterials
  • The impact of COVID-19 on surgical procedures in Japan: analysis of data from the National Clinical Database, 2021, Surgery Today
  • Anti-cancer activity of amorphous curcumin preparation in patient-derived colorectal cancer organoids, 2021, Biomedicine & Pharmacotherapy

Frequent collaborators include Yoshitaro Shindo, Hiroto Matsui, Tatsuya Ioka, Ryouichi Tsunedomi, and Yukio Tokumitsu, reflecting longstanding research partnerships.

Hiroaki Nagano has published multiple articles in well-known academic venues, with the most frequent publication outlets being:

  • Annals of Gastroenterological Surgery
  • Journal of Hepato-Biliary-Pancreatic Sciences
  • Surgery Today
  • Anticancer Research
  • Scientific Reports

The primary field of study for Nagano is medicine, with 352 publications. The major subfields contributing to their research output include oncology, surgery, pulmonary and respiratory medicine, epidemiology, and hepatology.

The main research topics covered involve:

  • Pancreatic and Hepatic Oncology Research
  • Cholangiocarcinoma and Gallbladder Cancer Studies
  • Gallbladder and Bile Duct Disorders
  • Hepatocellular Carcinoma Treatment and Prognosis
  • Colorectal Cancer Treatments and Studies
  • Gastric Cancer Management and Outcomes
  • Liver Disease Diagnosis and Treatment

Best Publications

  • International validation of the consensus Immunoscore for the classification of colon cancer: a prognostic and accuracy study

    Franck Pagès;Bernhard Mlecnik;Florence Marliot;Gabriela Bindea;Gabriela Bindea;Gabriela Bindea

  • Reprogramming of mouse and human cells to pluripotency using mature microRNAs.

    Norikatsu Miyoshi;Hideshi Ishii;Hideshi Ishii;Hiroaki Nagano;Naotsugu Haraguchi

  • CD13 is a therapeutic target in human liver cancer stem cells

    Naotsugu Haraguchi;Hideshi Ishii;Hideshi Ishii;Koshi Mimori;Fumiaki Tanaka

  • Clinical practice guidelines for hepatocellular carcinoma: The Japan Society of Hepatology 2017 (4th JSH-HCC guidelines) 2019 update.

    Norihiro Kokudo;Nobuyuki Takemura;Kiyoshi Hasegawa;Tadatoshi Takayama

  • The let-7 family of microRNAs inhibits Bcl-xL expression and potentiates sorafenib-induced apoptosis in human hepatocellular carcinoma

    Satoshi Shimizu;Tetsuo Takehara;Hayato Hikita;Takahiro Kodama

  • Circulating microRNA-21 as a novel biomarker for hepatocellular carcinoma.

    Yoshito Tomimaru;Hidetoshi Eguchi;Hiroaki Nagano;Hiroshi Wada

  • Defined factors induce reprogramming of gastrointestinal cancer cells

    Norikatsu Miyoshi;Hideshi Ishii;Hideshi Ishii;Ken Ichi Nagai;Hiromitsu Hoshino

  • Hepatocellular carcinoma: hepatocyte-selective enhancement at gadoxetic acid-enhanced MR imaging--correlation with expression of sinusoidal and canalicular transporters and bile accumulation.

    Takahiro Tsuboyama;Hiromitsu Onishi;Tonsok Kim;Hirofumi Akita

  • Gd-EOB-DTPA-enhanced magnetic resonance images of hepatocellular carcinoma: correlation with histological grading and portal blood flow

    Sachiyo Kogita;Yasuharu Imai;Masahiro Okada;Tonsok Kim

  • Rubicon inhibits autophagy and accelerates hepatocyte apoptosis and lipid accumulation in nonalcoholic fatty liver disease in mice.

    Satoshi Tanaka;Hayato Hikita;Tomohide Tatsumi;Ryotaro Sakamori

  • Prognostic significance of activated Akt expression in pancreatic ductal adenocarcinoma.

    Shinji Yamamoto;Yasuhiko Tomita;Yoshihiko Hoshida;Takaya Morooka

  • Sorafenib plus low-dose cisplatin and fluorouracil hepatic arterial infusion chemotherapy versus sorafenib alone in patients with advanced hepatocellular carcinoma (SILIUS): a randomised, open label, phase 3 trial.

    Masatoshi Kudo;Kazuomi Ueshima;Osamu Yokosuka;Sadahisa Ogasawara

  • Combined intraarterial 5‐fluorouracil and subcutaneous interferon‐α therapy for advanced hepatocellular carcinoma with tumor thrombi in the major portal branches

    Masato Sakon;Hiroaki Nagano;Keizo Dono;Shoji Nakamori

  • Patterns and clinicopathologic features of extrahepatic recurrence of hepatocellular carcinoma after curative resection.

    Yubo Yang;Hiroaki Nagano;Hideo Ota;Osakuni Morimoto

  • Increased expression of COX-2 in nontumor liver tissue is associated with shorter disease-free survival in patients with hepatocellular carcinoma.

    Motoi Kondo;Hirofumi Yamamoto;Hiroaki Nagano;Jiro Okami

  • Overexpression of Cyclooxygenase-2 in Carcinoma of the Pancreas

    Jiro Okami;Hirofumi Yamamoto;Yoshiyuki Fujiwara;Masaki Tsujie

  • Involvement of ribonucleotide reductase M1 subunit overexpression in gemcitabine resistance of human pancreatic cancer

    Shin Nakahira;Shoji Nakamori;Masanori Tsujie;Yuji Takahashi

  • Superparamagnetic iron oxide-enhanced magnetic resonance images of hepatocellular carcinoma : Correlation with histological grading

    Yasuharu Imai;Takamichi Murakami;Shigeyuki Yoshida;Masahiro Nishikawa

  • MicroRNA-21 induces resistance to the anti-tumour effect of interferon-α/5-fluorouracil in hepatocellular carcinoma cells.

    Y Tomimaru;H Eguchi;H Nagano;H Wada

  • Treatment of node-positive endometrial cancer with complete node dissection, chemotherapy and radiation therapy

    T Onda;H Yoshikawa;K Mizutani;M Mishima

Frequent Co-Authors

Hidetoshi Eguchi
Hidetoshi Eguchi Osaka University
Masaki Mori
Masaki Mori Kyushu University
Yuichiro Doki
Yuichiro Doki Osaka University
Morito Monden
Morito Monden Osaka University
Shoji Nakamori
Shoji Nakamori Osaka University
Hirofumi Yamamoto
Hirofumi Yamamoto Osaka University
Hironobu Nakamura
Hironobu Nakamura Osaka University
Takamichi Murakami
Takamichi Murakami Kobe University
Eiji Miyoshi
Eiji Miyoshi Osaka University
Hiroki Yamaue
Hiroki Yamaue Wakayama Medical University

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