Christopher J. Sayed

2.5k total citations · 3 hit papers
74 papers, 1.2k citations indexed

About

Christopher J. Sayed is a scholar working on Dermatology, Surgery and Epidemiology. According to data from OpenAlex, Christopher J. Sayed has authored 74 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 62 papers in Dermatology, 52 papers in Surgery and 22 papers in Epidemiology. Recurrent topics in Christopher J. Sayed's work include Hidradenitis Suppurativa and Treatments (60 papers), Colorectal and Anal Carcinomas (49 papers) and Anorectal Disease Treatments and Outcomes (14 papers). Christopher J. Sayed is often cited by papers focused on Hidradenitis Suppurativa and Treatments (60 papers), Colorectal and Anal Carcinomas (49 papers) and Anorectal Disease Treatments and Outcomes (14 papers). Christopher J. Sayed collaborates with scholars based in United States, Germany and Netherlands. Christopher J. Sayed's co-authors include Iltefat Hamzavi, Gregor B. E. Jemec, Joslyn S. Kirby, Alexa B. Kimball, Alice B. Gottlieb, Michelle A. Lowes, Afsáneh Alavi, Craig N. Burkhart, Haley B. Naik and Robert G. Micheletti and has published in prestigious journals such as The Lancet, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Christopher J. Sayed

62 papers receiving 1.2k 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.

North American clinical management guidelines for hidradenitis suppurativa: A publication from the United States and Canadian Hidradenitis Suppurativa Foundations

2019 224 citations Ali Alikhan, Christopher J. Sayed et al. Journal of the American Academy of Dermatology profile →
North American clinical management guidelines for hidradenitis suppurativa: A publication from the United States and Canadian Hidradenitis Suppurativa Foundations

2019 222 citations Ali Alikhan, Christopher J. Sayed et al. Journal of the American Academy of Dermatology profile →
Efficacy and safety of bimekizumab in patients with moderate-to-severe hidradenitis suppurativa (BE HEARD I and BE HEARD II): two 48-week, randomised, double-blind, placebo-controlled, multicentre phase 3 trials

2024 71 citations Alexa B. Kimball, Gregor B. E. Jemec et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Christopher J. Sayed United States	16	1.1k	889	357	42	42	74	1.2k
Dagmar Presser Germany	10	295 0.3×	258 0.3×	201 0.6×	36 0.9×	36 0.9×	18	466
Gonca Gökdemir Türkiye	13	343 0.3×	95 0.1×	124 0.3×	82 2.0×	51 1.2×	46	507
Carl Vinciullo Australia	13	273 0.3×	158 0.2×	363 1.0×	26 0.6×	12 0.3×	31	591
Darion Rowan New Zealand	11	113 0.1×	335 0.4×	341 1.0×	35 0.8×	19 0.5×	16	489
Francisco Javier García‐Martínez Spain	10	188 0.2×	138 0.2×	85 0.2×	42 1.0×	18 0.4×	46	320
Francesca Boggio Italy	10	245 0.2×	125 0.1×	92 0.3×	34 0.8×	26 0.6×	36	426
Irene A.M. van der Avoort Netherlands	12	117 0.1×	553 0.6×	510 1.4×	19 0.5×	17 0.4×	24	748
Felipe B. Cerci Brazil	9	185 0.2×	87 0.1×	190 0.5×	44 1.0×	14 0.3×	32	324
Baruch Kaplan Israel	12	154 0.1×	109 0.1×	146 0.4×	33 0.8×	24 0.6×	24	348
Bettina M. Prinz Vavricka Switzerland	5	160 0.1×	88 0.1×	278 0.8×	35 0.8×	94 2.2×	6	692

Countries citing papers authored by Christopher J. Sayed

Since Specialization

Citations

This map shows the geographic impact of Christopher J. Sayed'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 Christopher J. Sayed with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Christopher J. Sayed more than expected).

Fields of papers citing papers by Christopher J. Sayed

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Christopher J. Sayed. 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 Christopher J. Sayed. The network helps show where Christopher J. Sayed may publish in the future.

Co-authorship network of co-authors of Christopher J. Sayed

This figure shows the co-authorship network connecting the top 25 collaborators of Christopher J. Sayed. A scholar is included among the top collaborators of Christopher J. Sayed 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 Christopher J. Sayed. Christopher J. Sayed 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

Guillem, Philippe, et al.. (2026). The role of surgery in hidradenitis suppurativa: Expert-based holistic approaches. Clinical and Experimental Dermatology.

Charrow, Alexandra, et al.. (2025). Safety and efficacy of biologics in patients with Down syndrome and hidradenitis suppurativa: a retrospective cohort study. Clinical and Experimental Dermatology. 50(7). 1431–1433.

Milanović, Snežana, et al.. (2025). Procedural Interventions for Hidradenitis Suppurativa. Dermatologic Clinics. 43(2). 285–299.

Ok, Meryem T., et al.. (2024). The Successful Use of Upadacitinib as Monotherapy for Hidradenitis Suppurativa and Ulcerative Colitis in the Setting of Refractory Disease. Pediatric Dermatology. 42(2). 353–357. 4 indexed citations

Zouboulis, Christos C., Amit Garg, Christopher J. Sayed, et al.. (2024). Bimekizumab Efficacy and Safety Through 2 years in Patients with Hidradenitis Suppurativa: Results from the Phase 3 BE HEARD I&II trials and Open-Label Extension BE HEARD EXT. SKIN The Journal of Cutaneous Medicine. 8(6). s473–s473. 1 indexed citations

Zouboulis, Christos C., Jennifer L. Hsiao, Z. Reguiaï, et al.. (2024). 52756 Bimekizumab impact on draining tunnels in patients with moderate to severe hidradenitis suppurativa: Pooled 48-week data from BE HEARD I & II. Journal of the American Academy of Dermatology. 91(3). AB144–AB144.

Sayed, Christopher J., Vivian Y. Shi, Jennifer L. Hsiao, et al.. (2024). Bimekizumab Efficacy by Prior Biologic Treatment in Patients with Moderate to Severe Hidradenitis Suppurativa: 48-Week Pooled Data from the Randomized, Double-Blind, Placebo-Controlled, Multicenter BE HEARD I and II Phase 3 Trials. SKIN The Journal of Cutaneous Medicine. 8(1). s349–s349. 1 indexed citations

Ma, Elaine, et al.. (2023). Efficacy of procedural treatments for pediatric hidradenitis suppurativa: A systematic review. Pediatric Dermatology. 40(4). 595–605. 7 indexed citations

Ma, Elaine, et al.. (2023). Efficacy of medical treatments for pediatric hidradenitis suppurativa: A systematic review. Pediatric Dermatology. 40(5). 775–788. 9 indexed citations

10.

Sayed, Christopher J., et al.. (2023). A survey-based study on experiences with and perspectives toward medical providers among patients with hidradenitis suppurativa. British Journal of Dermatology. 190(1). 127–129. 1 indexed citations

11.

Zee, Hessel H. van der, Christopher J. Sayed, John R Ingram, et al.. (2023). Patient Preferences in the Management of Hidradenitis Suppurativa: Results of a Multinational Discrete Choice Experiment in Europe. Patient. 16(2). 153–164. 10 indexed citations

12.

Sayed, Christopher J., Hessel H. van der Zee, John R Ingram, et al.. (2023). A discrete-choice experiment to elicit the treatment preferences of patients with hidradenitis suppurativa in the United States. Journal of Medical Economics. 26(1). 503–508. 3 indexed citations

13.

Rick, Jonathan W., Afsáneh Alavi, Joslyn S. Kirby, et al.. (2022). Guidance on COVID-19 Vaccination in Hidradenitis Suppurativa Patients: A Modified Delphi Consensus of Experts. Skin Appendage Disorders. 8(4). 287–290. 2 indexed citations

14.

Daveluy, Steven, Marcia Hogeling, Michelle A. Lowes, et al.. (2022). Real-World Considerations of Candidacy for Biologics in Hidradenitis Suppurativa. American Journal of Clinical Dermatology. 23(6). 749–753. 1 indexed citations

15.

Hiligsmann, Mickaël, et al.. (2021). Identifying Unmet Care Needs and Important Treatment Attributes in the Management of Hidradenitis Suppurativa: A Qualitative Interview Study. Patient. 15(2). 207–218. 16 indexed citations

16.

Orenstein, Lauren A.V., Tien V. Nguyen, Giovanni Damiani, et al.. (2020). Medical and Surgical Management of Hidradenitis Suppurativa: A Review of International Treatment Guidelines and Implementation in General Dermatology Practice. Dermatology. 236(5). 393–412. 60 indexed citations

17.

Alikhan, Ali, Christopher J. Sayed, Afsáneh Alavi, et al.. (2019). North American clinical management guidelines for hidradenitis suppurativa: A publication from the United States and Canadian Hidradenitis Suppurativa Foundations. Journal of the American Academy of Dermatology. 81(1). 91–101. 222 indexed citations breakdown →

18.

Sayed, Christopher J., et al.. (2018). Implementation of an outcomes-based curriculum for dermatology clerkships and initial positive perceptions from faculty and students. Journal of the American Academy of Dermatology. 79(3). 569–571.e1. 3 indexed citations

19.

Googe, Paul B., et al.. (2018). Squamous cell carcinoma arising in a chronic perineal wound in a patient with long-standing cutaneous Crohn's disease. JAAD Case Reports. 4(4). 346–348. 4 indexed citations

20.

Sayed, Christopher J., et al.. (2016). Hemorrhagic bullae of the oral mucosa. JAAD Case Reports. 2(6). 433–435. 15 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.

Explore authors with similar magnitude of impact