John Koo

19.1k total citations · 3 hit papers
339 papers, 12.5k citations indexed

About

John Koo is a scholar working on Immunology, Dermatology and Clinical Psychology. According to data from OpenAlex, John Koo has authored 339 papers receiving a total of 12.5k indexed citations (citations by other indexed papers that have themselves been cited), including 206 papers in Immunology, 179 papers in Dermatology and 55 papers in Clinical Psychology. Recurrent topics in John Koo's work include Psoriasis: Treatment and Pathogenesis (200 papers), Dermatology and Skin Diseases (142 papers) and Body Image and Dysmorphia Studies (52 papers). John Koo is often cited by papers focused on Psoriasis: Treatment and Pathogenesis (200 papers), Dermatology and Skin Diseases (142 papers) and Body Image and Dysmorphia Studies (52 papers). John Koo collaborates with scholars based in United States, Canada and Denmark. John Koo's co-authors include Mark Lebwohl, Alan Menter, Steven R. Feldman, Alice B. Gottlieb, Reva Bhushan, Craig A. Elmets, Neil J. Korman, Kenneth B. Gordon, Karl R. Beutner and Abby S. Van Voorhees and has published in prestigious journals such as JAMA, SHILAP Revista de lepidopterología and Clinical Infectious Diseases.

In The Last Decade

John Koo

322 papers receiving 11.8k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Guidelines of care for the management of psoriasis and psoriatic arthritis

2008 964 citations Mark Lebwohl, John Koo et al. profile →
The impact of psoriasis on quality of life: results of a 1998 National Psoriasis Foundation patient-membership survey.

2001 790 citations John Koo, Mark Lebwohl et al. PubMed profile →
Guidelines of care for the management of psoriasis and psoriatic arthritis

2008 612 citations Mark Lebwohl, John Koo et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
John Koo United States	55	8.0k	6.8k	1.7k	1.4k	1.1k	339	12.5k
P.C.M. van de Kerkhof Netherlands	61	8.9k 1.1×	8.0k 1.2×	1.8k 1.1×	2.0k 1.4×	1.3k 1.2×	498	15.9k
Alexa B. Kimball United States	64	9.2k 1.2×	10.1k 1.5×	2.1k 1.2×	1.7k 1.2×	1.5k 1.4×	364	17.4k
Ulrich Mrowietz Germany	60	7.5k 0.9×	5.9k 0.9×	1.4k 0.8×	1.5k 1.0×	1.4k 1.3×	331	12.7k
Lone Skov Denmark	58	6.6k 0.8×	5.5k 0.8×	1.9k 1.1×	1.1k 0.8×	1.7k 1.5×	389	12.9k
Craig L. Leonardi United States	45	11.4k 1.4×	6.4k 0.9×	2.6k 1.5×	2.0k 1.4×	2.0k 1.8×	133	14.1k
Wolf‐Henning Boehncke Germany	55	8.7k 1.1×	4.4k 0.6×	2.7k 1.6×	1.3k 0.9×	1.4k 1.2×	356	13.2k
Alan B. Fleischer United States	57	3.1k 0.4×	7.6k 1.1×	937 0.5×	1.0k 0.7×	950 0.9×	332	12.4k
Charles N. Ellis United States	58	4.4k 0.5×	5.9k 0.9×	1.4k 0.8×	1.5k 1.1×	948 0.9×	235	11.6k
Jacek C. Szepietowski Poland	58	3.7k 0.5×	10.6k 1.6×	2.5k 1.5×	1.0k 0.7×	1.7k 1.5×	637	15.3k
L. Misery France	54	2.6k 0.3×	6.4k 0.9×	2.0k 1.2×	727 0.5×	1.8k 1.7×	517	11.5k

Countries citing papers authored by John Koo

Since Specialization

Citations

This map shows the geographic impact of John Koo's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by John Koo with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John Koo more than expected).

Fields of papers citing papers by John Koo

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John Koo. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by John Koo. The network helps show where John Koo may publish in the future.

Co-authorship network of co-authors of John Koo

This figure shows the co-authorship network connecting the top 25 collaborators of John Koo. A scholar is included among the top collaborators of John Koo based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with John Koo. John Koo is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Brownstone, Nicholas, et al.. (2025). Can pimozide kill parasites? Surprisingly, the most honest answer is ‘yes’. Journal of Dermatological Treatment. 36(1). 2466635–2466635.

Lebwohl, Mark, John Koo, Janusz Jaworski, et al.. (2025). Repeated Switching Between CT-P17 and EU Reference Adalimumab in Patients with Moderate-to-Severe Chronic Plaque Psoriasis: A Randomized, Double-Blind, Active-Controlled, Phase 3, Interchangeability Study. Advances in Therapy. 42(3). 1582–1599. 1 indexed citations

Cather, Jennifer Clay, Melodie Young, Shehla Admani, et al.. (2025). Genital Psoriasis: Shining Light on This Hidden Disease. JEADV Clinical Practice. 4(4). 719–731.

Bhutani, Tina, et al.. (2024). Tildrakizumab Real-World Effectiveness and Safety Over 64 Weeks in Patients With Moderate-to-Severe Plaque Psoriasis. Journal of Drugs in Dermatology. 23(8). 612–618. 4 indexed citations

Lebwohl, Mark, John Koo, April W. Armstrong, et al.. (2024). Brodalumab: Six-Year US Pharmacovigilance Report. Dermatology and Therapy. 15(1). 213–222.

Bhutani, Tina, et al.. (2024). Improvement in Patient-reported Symptoms and Satisfaction with Tildrakizumab in a Real-world Study in Patients with Moderate-to-severe Plaque Psoriasis. PubMed Central. 1 indexed citations

Alexis, Andrew, Heather Woolery‐Lloyd, Anneke Andriessen, et al.. (2022). Evolving Concepts in Psoriasis: Special Considerations for Patients With Skin of Color, Skin Barrier Dysfunction, and the Role of Adjunctive Skin Care. Journal of Drugs in Dermatology. 21(10). 1054–1060. 5 indexed citations

Armstrong, April W., Mark Lebwohl, Joseph F. Merola, et al.. (2021). Non-Medical Switching Impact on Patients and Providers – Psoriatic Disease Community Taking a Stand. 6(3). 126–127.

Brownstone, Nicholas, Vidhatha Reddy, Quinn Thibodeaux, et al.. (2020). Brodalumab for Treatment-Resistant Psoriasis: Case Reports and Safety Update. 5(3). 82–85. 1 indexed citations

10.

Reddy, Vidhatha, Bridget Myers, Stephanie Chan, et al.. (2020). Management strategies for borderline and narcissistic personality disorders in dermatology practice: a review. Journal of Dermatological Treatment. 33(3). 1265–1268. 1 indexed citations

11.

Myers, Bridget, Vidhatha Reddy, Stephanie Chan, et al.. (2020). Optimizing doxepin therapy in dermatology: introducing blood level monitoring and genotype testing. Journal of Dermatological Treatment. 33(1). 87–93. 1 indexed citations

12.

Nakamura, Mio & John Koo. (2020). Safety considerations with combination therapies for psoriasis. Expert Opinion on Drug Safety. 19(4). 489–498. 22 indexed citations

13.

Reddy, Vidhatha, Bridget Myers, Stephanie Chan, et al.. (2020). A review of current phase III clinical trials of plaque psoriasis: under‐representation of nonwhite participants and need for reform. British Journal of Dermatology. 184(2). 348–350. 13 indexed citations

14.

Singh, Rasnik, et al.. (2016). A Quick Review of the Cutaneous Findings of the Zika Virus. Dermatology Online Journal. 22(7). 3 indexed citations

15.

Nakamura, Mio & John Koo. (2016). Drug-Induced Tactile Hallucinations Beyond Recreational Drugs. American Journal of Clinical Dermatology. 17(6). 643–652. 12 indexed citations

16.

Nakamura, Mio, John Koo, & Tina Bhutani. (2016). Uremic pruritus treated successfully with the Goeckerman Program. Dermatology Online Journal. 22(8). 2 indexed citations

17.

Nakamura, Mio, Tina Bhutani, & John Koo. (2016). Narrowband UVB-induced iatrogenic polymorphous light eruption: a case and suggestions to overcome this rare complication. Dermatology Online Journal. 22(6). 3 indexed citations

18.

Wong, Jillian W., Faranak Kamangar, Tien V. Nguyen, & John Koo. (2012). Excimer laser therapy for hairline psoriasis: a useful addition to the scalp psoriasis treatment algorithm.. PubMed. 17(5). 6–9. 5 indexed citations

19.

Koo, John, et al.. (2006). Predictive value of phenotypic variables for skin cancer: Risk assessment beyond skin typing. International Journal of Dermatology. 45(11). 1275–1283. 8 indexed citations

20.

Kim, Young Tae, Eunwoo Nam, Bo Hyun Yoon, et al.. (2005). Germline Mutations of BRCA1 and BRCA2 in Korean sporadic ovarian carcinoma. Gynecologic Oncology. 99(3). 585–590. 20 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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