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D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Immunology 100 711 406 419 121784
Medicine 102 7459 3898 450 123051

Steven M. Opal publications per year

The chart shows the history of publications by Steven M. Opal between 1979 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Steven M. Opal published across 46 years, from 1979 to 2024, averaging 9.9 papers a year. Output peaked at 22 publications in 2003. 1 of the 456 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1979 to 2024. Vertical axis: number of publications, 0 to 22. Peak 22 publications in 2003. 1979: 1 publication 1980: 0 publications 1981: 0 publications 1982: 1 publication 1983: 1 publication 1984: 2 publications 1985: 5 publications 1986: 5 publications 1987: 4 publications 1988: 6 publications 1989: 11 publications 1990: 10 publications 1991: 4 publications 1992: 5 publications 1993: 11 publications 1994: 17 publications 1995: 13 publications 1996: 9 publications 1997: 11 publications 1998: 8 publications 1999: 13 publications 2000: 19 publications 2001: 15 publications 2002: 13 publications 2003: 22 publications 2004: 15 publications 2005: 14 publications 2006: 13 publications 2007: 12 publications 2008: 9 publications 2009: 13 publications 2010: 21 publications 2011: 21 publications 2012: 16 publications 2013: 20 publications 2014: 16 publications 2015: 16 publications 2016: 16 publications 2017: 10 publications 2018: 11 publications 2019: 9 publications 2020: 13 publications 2021: 2 publications 2022: 2 publications 2023: 0 publications 2024: 1 publication
1979 2024

456 publications in total across all disciplines

View publications per year as a table
Steven M. Opal: publications per year, 1979 to 2024
Year Publications
1979 1
1980 0
1981 0
1982 1
1983 1
1984 2
1985 5
1986 5
1987 4
1988 6
1989 11
1990 10
1991 4
1992 5
1993 11
1994 17
1995 13
1996 9
1997 11
1998 8
1999 13
2000 19
2001 15
2002 13
2003 22
2004 15
2005 14
2006 13
2007 12
2008 9
2009 13
2010 21
2011 21
2012 16
2013 20
2014 16
2015 16
2016 16
2017 10
2018 11
2019 9
2020 13
2021 2
2022 2
2023 0
2024 1
Total 456
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Steven M. Opal publication distribution in Immunology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Immunology in 2026. The highlighted bar marks where Steven M. Opal sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 76 bars. Horizontal axis: publications, 62–71 to 807+. Vertical axis: number of scientists, 0 to 189. Most scientists, 189, have 152–161 publications. The last bar groups every scientist with 807 publications or more. The highlighted bar, 412–421 publications, is where this scientist sits. 62–71 publications: 9 scientists 72–81 publications: 23 scientists 82–91 publications: 40 scientists 92–101 publications: 72 scientists 102–111 publications: 86 scientists 112–121 publications: 108 scientists 122–131 publications: 150 scientists 132–141 publications: 160 scientists 142–151 publications: 159 scientists 152–161 publications: 189 scientists 162–171 publications: 166 scientists 172–181 publications: 181 scientists 182–191 publications: 188 scientists 192–201 publications: 187 scientists 202–211 publications: 178 scientists 212–221 publications: 158 scientists 222–231 publications: 168 scientists 232–241 publications: 159 scientists 242–251 publications: 160 scientists 252–261 publications: 148 scientists 262–271 publications: 116 scientists 272–281 publications: 125 scientists 282–291 publications: 115 scientists 292–301 publications: 111 scientists 302–311 publications: 95 scientists 312–321 publications: 97 scientists 322–331 publications: 97 scientists 332–341 publications: 99 scientists 342–351 publications: 96 scientists 352–361 publications: 69 scientists 362–371 publications: 76 scientists 372–381 publications: 71 scientists 382–391 publications: 71 scientists 392–401 publications: 62 scientists 402–411 publications: 54 scientists 412–421 publications: 41 scientists 422–431 publications: 63 scientists 432–441 publications: 53 scientists 442–451 publications: 31 scientists 452–461 publications: 42 scientists 462–471 publications: 40 scientists 472–481 publications: 29 scientists 482–491 publications: 34 scientists 492–501 publications: 30 scientists 502–511 publications: 23 scientists 512–521 publications: 41 scientists 522–531 publications: 29 scientists 532–541 publications: 28 scientists 542–551 publications: 16 scientists 552–561 publications: 18 scientists 562–571 publications: 18 scientists 572–581 publications: 17 scientists 582–591 publications: 17 scientists 592–601 publications: 17 scientists 602–611 publications: 19 scientists 612–621 publications: 13 scientists 622–631 publications: 12 scientists 632–641 publications: 11 scientists 642–651 publications: 16 scientists 652–661 publications: 9 scientists 662–671 publications: 5 scientists 672–681 publications: 13 scientists 682–691 publications: 12 scientists 692–701 publications: 6 scientists 702–711 publications: 6 scientists 712–721 publications: 9 scientists 722–731 publications: 9 scientists 732–741 publications: 6 scientists 742–751 publications: 11 scientists 752–761 publications: 10 scientists 762–771 publications: 7 scientists 772–781 publications: 12 scientists 782–791 publications: 7 scientists 792–801 publications: 5 scientists 802–806 publications: 1 scientist 807+ publications: 100 scientists
62–71 publications 807+

This scientist: 419 publications — 83rd percentile

83% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 807 publications or more.

View publications distribution as a table
Number of Immunology scientists by publication count, Research.com 2026 ranking edition. Based on 4,929 ranked scientists.
Publications Scientists This scientist
62–71 9
72–81 23
82–91 40
92–101 72
102–111 86
112–121 108
122–131 150
132–141 160
142–151 159
152–161 189
162–171 166
172–181 181
182–191 188
192–201 187
202–211 178
212–221 158
222–231 168
232–241 159
242–251 160
252–261 148
262–271 116
272–281 125
282–291 115
292–301 111
302–311 95
312–321 97
322–331 97
332–341 99
342–351 96
352–361 69
362–371 76
372–381 71
382–391 71
392–401 62
402–411 54
412–421 41 419
422–431 63
432–441 53
442–451 31
452–461 42
462–471 40
472–481 29
482–491 34
492–501 30
502–511 23
512–521 41
522–531 29
532–541 28
542–551 16
552–561 18
562–571 18
572–581 17
582–591 17
592–601 17
602–611 19
612–621 13
622–631 12
632–641 11
642–651 16
652–661 9
662–671 5
672–681 13
682–691 12
692–701 6
702–711 6
712–721 9
722–731 9
732–741 6
742–751 11
752–761 10
762–771 7
772–781 12
782–791 7
792–801 5
802–806 1
807+ 100
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Steven M. Opal D-index placement in Immunology in 2026

The chart shows the D-index (discipline H-index) distribution of Immunology scientists ranked by Research.com in 2026. The highlighted bar marks where Steven M. Opal sits on this spectrum.

No. of scientists
50 100 150 200
Bar chart with 60 bars. Horizontal axis: D-Index, 40–41 to 157+. Vertical axis: number of scientists, 0 to 201. Most scientists, 201, have 58–59 D-Index. The last bar groups every scientist with 157 D-Index or more. The highlighted bar, 100–101 D-Index, is where this scientist sits. 40–41 D-Index: 28 scientists 42–43 D-Index: 91 scientists 44–45 D-Index: 157 scientists 46–47 D-Index: 192 scientists 48–49 D-Index: 175 scientists 50–51 D-Index: 188 scientists 52–53 D-Index: 177 scientists 54–55 D-Index: 155 scientists 56–57 D-Index: 194 scientists 58–59 D-Index: 201 scientists 60–61 D-Index: 197 scientists 62–63 D-Index: 201 scientists 64–65 D-Index: 173 scientists 66–67 D-Index: 167 scientists 68–69 D-Index: 172 scientists 70–71 D-Index: 199 scientists 72–73 D-Index: 184 scientists 74–75 D-Index: 133 scientists 76–77 D-Index: 163 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 125 scientists 84–85 D-Index: 121 scientists 86–87 D-Index: 102 scientists 88–89 D-Index: 96 scientists 90–91 D-Index: 75 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 74 scientists 96–97 D-Index: 66 scientists 98–99 D-Index: 68 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 60 scientists 104–105 D-Index: 54 scientists 106–107 D-Index: 36 scientists 108–109 D-Index: 23 scientists 110–111 D-Index: 52 scientists 112–113 D-Index: 41 scientists 114–115 D-Index: 34 scientists 116–117 D-Index: 25 scientists 118–119 D-Index: 28 scientists 120–121 D-Index: 11 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 27 scientists 126–127 D-Index: 19 scientists 128–129 D-Index: 20 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 17 scientists 134–135 D-Index: 14 scientists 136–137 D-Index: 15 scientists 138–139 D-Index: 9 scientists 140–141 D-Index: 11 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 9 scientists 146–147 D-Index: 7 scientists 148–149 D-Index: 7 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 5 scientists 154–155 D-Index: 8 scientists 156 D-Index: 6 scientists 157+ D-Index: 96 scientists
40–41 D-Index 157+

This scientist: 100 D-Index — 86th percentile

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

The last bar groups every scientist with 157 D-Index or more.

View D-Index distribution as a table
Number of Immunology scientists by D-index, Research.com 2026 ranking edition. Based on 4,929 ranked scientists.
D-Index Scientists This scientist
40–41 28
42–43 91
44–45 157
46–47 192
48–49 175
50–51 188
52–53 177
54–55 155
56–57 194
58–59 201
60–61 197
62–63 201
64–65 173
66–67 167
68–69 172
70–71 199
72–73 184
74–75 133
76–77 163
78–79 127
80–81 121
82–83 125
84–85 121
86–87 102
88–89 96
90–91 75
92–93 72
94–95 74
96–97 66
98–99 68
100–101 49 100
102–103 60
104–105 54
106–107 36
108–109 23
110–111 52
112–113 41
114–115 34
116–117 25
118–119 28
120–121 11
122–123 20
124–125 27
126–127 19
128–129 20
130–131 16
132–133 17
134–135 14
136–137 15
138–139 9
140–141 11
142–143 9
144–145 9
146–147 7
148–149 7
150–151 7
152–153 5
154–155 8
156 6
157+ 96
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Overview

Steven M. Opal is affiliated with Brown University in the United States and conducts research predominantly in the field of Medicine. Their work spans several subfields including Epidemiology, Infectious Diseases, Immunology, Neurology, and Molecular Biology.

The scientist's research focuses on several main topics, which include:

  • Sepsis Diagnosis and Treatment
  • Immune Response and Inflammation
  • COVID-19 Clinical Research Studies
  • Long-Term Effects of COVID-19
  • Neonatal and Maternal Infections
  • Bacterial Identification and Susceptibility Testing
  • Antibiotics Pharmacokinetics and Efficacy

Steven M. Opal has contributed to multiple publications, with recent notable papers as follows:

  • "Hiding in Plain Sight: an Approach to Treating Patients with Severe COVID-19 Infection" (2020), published in mBio
  • "Activating Immunity to Fight a Foe - A New Path" (2020), published in New England Journal of Medicine
  • "Therapeutic Rationale for Endotoxin Removal with Polymyxin B Immobilized Fiber Column (PMX) for Septic Shock" (2021), published in International Journal of Molecular Sciences
  • "Steroids for sepsis and ARDS: this eternal controversy remains with COVID-19" (2020), published in The Lancet
  • "Validation of SeptiCyte RAPID to Discriminate Sepsis from Non-Infectious Systemic Inflammation" (2024), published in Journal of Clinical Medicine

The venues where Steven M. Opal frequently publishes include:

  • mBio
  • New England Journal of Medicine
  • International Journal of Molecular Sciences
  • The Lancet
  • Journal of Clinical Medicine

Collaborations with frequent co-authors have been an important aspect of their academic work. These co-authors include:

  • David S. Fedson
  • Ole Martin Rordam
  • R.A. Balk
  • Annette Esper
  • Greg S. Martin

Best Publications

  • The Third International Consensus Definitions for Sepsis and Septic Shock (Sepsis-3)

    Mervyn Singer;Clifford S. Deutschman;Christopher Warren Seymour;Manu Shankar-Hari

  • Surviving sepsis campaign: international guidelines for management of severe sepsis and septic shock: 2012.

    Dellinger Rp;Levy Mm;Rhodes A;Annane D

  • 2001 SCCM/ESICM/ACCP/ATS/SIS International Sepsis Definitions Conference

    Mitchell M. Levy;Mitchell P. Fink;John C. Marshall;Edward Abraham

  • Surviving Sepsis Campaign: International Guidelines for Management of Severe Sepsis and Septic Shock, 2012

    R. Phillip Dellinger;Mitchell M. Levy;Andrew Rhodes;Djillali Annane

  • Kidney disease: Improving global outcomes (KDIGO) acute kidney injury work group. KDIGO clinical practice guideline for acute kidney injury

    John A. Kellum;Norbert Lameire;Peter Aspelin;Rashad S. Barsoum

  • Anti-Inflammatory Cytokines

    Steven M. Opal;Vera A. DePalo

  • High-Dose Antithrombin III in Severe Sepsis: A Randomized Controlled Trial

    Brian L. Warren;Alain Eid;Pierre Singer;Subramanion S. Pillay

  • Treatment of Septic Shock with the Tumor Necrosis Factor Receptor:Fc Fusion Protein

    Charles J. Fisher;Jan M. Agosti;Steven M. Opal;Stephen F. Lowry

  • Sepsis and septic shock

    Richard R.S. Hotchkiss;Lyle Linc Moldawer;Steven Opal;Konrad Reinhart

  • Recombinant human interleukin 1 receptor antagonist in the treatment of patients with sepsis syndrome. Results from a randomized, double-blind, placebo-controlled trial. Phase III rhIL-1ra Sepsis Syndrome Study Group.

    Fisher Cj;Dhainaut Jf;Opal Sm;Pribble Jp

  • Derivation, Validation, and Potential Treatment Implications of Novel Clinical Phenotypes for Sepsis.

    Christopher W. Seymour;Jason N. Kennedy;Shu Wang;Chung-Chou H. Chang

  • Efficacy and safety of tifacogin (recombinant tissue factor pathway inhibitor) in severe sepsis: a randomized controlled trial.

    Edward Abraham;Konrad Reinhart;Steven Opal;Ignace Demeyer

  • Confirmatory interleukin-1 receptor antagonist trial in severe sepsis: a phase III, randomized, double-blind, placebo-controlled, multicenter trial. The Interleukin-1 Receptor Antagonist Sepsis Investigator Group

    Steven M. Opal;Charles J. Fisher;Jean-Francois A. Dhainaut;Jean-Louis Vincent

  • Sepsis: a roadmap for future research

    Jonathan Cohen;Jean-Louis Vincent;Neill K J Adhikari;Flavia R Machado

  • Sepsis definitions: time for change

    Jean Louis Vincent;Steven Opal;John C Marshall;Kevin K.J. Tracey

  • Effect of eritoran, an antagonist of MD2-TLR4, on mortality in patients with severe sepsis: the ACCESS randomized trial.

    Steven M. Opal;Pierre-Francois Laterre;Bruno Francois;Steven P. LaRosa

  • Pathogenesis, treatment, and prevention of pneumococcal pneumonia.

    Tom van der Poll;Steven M Opal

  • Interleukin-1 Receptor Blockade Is Associated With Reduced Mortality in Sepsis Patients With Features of Macrophage Activation Syndrome: Reanalysis of a Prior Phase III Trial.

    Bita Shakoory;Joseph A. Carcillo;W. Winn Chatham;Richard L. Amdur

  • Relationship between Plasma Levels of Lipopolysaccharide (LPS) and LPS-Binding Protein in Patients with Severe Sepsis and Septic Shock

    Steven M. Opal;Patrick J. Scannon;Jean-Louis Vincent;Mark White

  • Host-pathogen interactions in sepsis.

    Tom van der Poll;Steven M Opal

Frequent Co-Authors

Alan S. Cross
Alan S. Cross University of Maryland, Baltimore
Jean Louis Vincent
Jean Louis Vincent Université Libre de Bruxelles
Derek C. Angus
Derek C. Angus University of Pittsburgh
Jerald C. Sadoff
Jerald C. Sadoff Janssen (Belgium)
John C. Marshall
John C. Marshall University of Toronto
Kenneth H. Mayer
Kenneth H. Mayer Harvard Medical School
Tom van der Poll
Tom van der Poll University of Amsterdam
Mitchell M. Levy
Mitchell M. Levy Brown University
Edward Abraham
Edward Abraham Dragonfly Data Science (New Zealand)
Konrad Reinhart
Konrad Reinhart Charité - University Medicine Berlin

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