Marc Lémann

24.1k total citations · 5 hit papers
181 papers, 13.1k citations indexed

About

Marc Lémann is a scholar working on Genetics, Epidemiology and Surgery. According to data from OpenAlex, Marc Lémann has authored 181 papers receiving a total of 13.1k indexed citations (citations by other indexed papers that have themselves been cited), including 104 papers in Genetics, 87 papers in Epidemiology and 69 papers in Surgery. Recurrent topics in Marc Lémann's work include Inflammatory Bowel Disease (102 papers), Microscopic Colitis (63 papers) and Eosinophilic Esophagitis (29 papers). Marc Lémann is often cited by papers focused on Inflammatory Bowel Disease (102 papers), Microscopic Colitis (63 papers) and Eosinophilic Esophagitis (29 papers). Marc Lémann collaborates with scholars based in France, Belgium and United States. Marc Lémann's co-authors include Yoram Bouhnik, R Modigliani, Laurent Peyrin‐Biroulet, Jean–Yves Mary, Jacques Cosnes, Philippe Marteau, Jean‐Frédéric Colombel, Jean–Frédéric Colombel, Matthieu Allez and Geert D’Haens and has published in prestigious journals such as The Lancet, Blood and Gastroenterology.

In The Last Decade

Marc Lémann

171 papers receiving 12.7k citations

Hit Papers

5 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.

The second European evidence-based Consensus on the diagnosis and management of Crohn's disease: Current management

2010 1.1k citations Marc Lémann, Simon Travis et al. profile →
A Review of Activity Indices and Efficacy End Points for Clinical Trials of Medical Therapy in Adults With Ulcerative Colitis

2006 903 citations Geert D’Haens, William J. Sandborn et al. Gastroenterology profile →
Lymphoproliferative disorders in patients receiving thiopurines for inflammatory bowel disease: a prospective observational cohort study

2009 762 citations Laurent Beaugerie, Anne‐Marie Bouvier et al. profile →
Risk of tuberculosis is higher with anti–tumor necrosis factor monoclonal antibody therapy than with soluble tumor necrosis factor receptor therapy: The three‐year prospective french research axed on tolerance of biotherapies registry

2009 460 citations Florence Tubach, Dominique Salmon et al. profile →
Developing an instrument to assess the endoscopic severity of ulcerative colitis: the Ulcerative Colitis Endoscopic Index of Severity (UCEIS)

2011 441 citations Simon Travis, Dan Schnell et al. Gut profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Marc Lémann France	57	8.5k	7.1k	4.4k	2.2k	1.5k	181	13.1k
Gary R. Lichtenstein United States	35	12.0k 1.4×	9.7k 1.4×	4.0k 0.9×	3.1k 1.4×	1.1k 0.7×	130	14.3k
Édouard Louis Belgium	62	8.8k 1.0×	6.5k 0.9×	3.9k 0.9×	3.2k 1.5×	945 0.6×	383	13.5k
Jack Satsangi United Kingdom	58	9.4k 1.1×	6.3k 0.9×	4.0k 0.9×	3.1k 1.4×	968 0.6×	222	13.2k
Jacques Cosnes France	54	8.5k 1.0×	7.4k 1.0×	4.6k 1.0×	1.6k 0.7×	1.1k 0.7×	234	13.3k
Jean–Frédéric Colombel France	49	8.9k 1.0×	6.6k 0.9×	3.7k 0.8×	4.2k 1.9×	766 0.5×	209	14.1k
Axel Dignaß Germany	55	10.1k 1.2×	7.1k 1.0×	5.1k 1.2×	2.7k 1.2×	1.1k 0.7×	282	17.3k
William J. Tremaine United States	70	13.7k 1.6×	11.0k 1.5×	7.2k 1.6×	2.0k 0.9×	1.4k 0.9×	268	19.3k
Sandro Ardizzone Italy	50	6.9k 0.8×	5.2k 0.7×	3.6k 0.8×	1.5k 0.7×	1.1k 0.7×	236	10.7k
P. Rutgeerts Belgium	51	7.5k 0.9×	5.7k 0.8×	3.4k 0.8×	2.1k 0.9×	576 0.4×	189	11.0k
Gerassimos J. Mantzaris Greece	41	8.0k 0.9×	6.3k 0.9×	3.4k 0.8×	1.9k 0.8×	1.0k 0.7×	145	10.5k

Countries citing papers authored by Marc Lémann

Since Specialization

Citations

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

Fields of papers citing papers by Marc Lémann

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Marc Lémann. 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 Marc Lémann. The network helps show where Marc Lémann may publish in the future.

Co-authorship network of co-authors of Marc Lémann

This figure shows the co-authorship network connecting the top 25 collaborators of Marc Lémann. A scholar is included among the top collaborators of Marc Lémann 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 Marc Lémann. Marc Lémann is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Allen, Patrick B., M A Kamm, Laurent Peyrin‐Biroulet, et al.. (2012). Development and validation of a patient‐reported disability measurement tool for patients with inflammatory bowel disease. Alimentary Pharmacology & Therapeutics. 37(4). 438–444. 33 indexed citations

Hébuterne, Xavier, Marc Lémann, Yoram Bouhnik, et al.. (2012). Endoscopic improvement of mucosal lesions in patients with moderate to severe ileocolonic Crohn's disease following treatment with certolizumab pegol. Gut. 62(2). 201–208. 129 indexed citations

Travis, Simon, Dan Schnell, Piotr Krzeski, et al.. (2011). Developing an instrument to assess the endoscopic severity of ulcerative colitis: the Ulcerative Colitis Endoscopic Index of Severity (UCEIS). Gut. 61(4). 535–542. 441 indexed citations breakdown →

Salleron, Julia, Guillaume Savoye, Jean‐Louis Dupas, et al.. (2011). Long-term outcome of treatment with infliximab in pediatric-onset Crohnʼs disease: A population-based study. Inflammatory Bowel Diseases. 17(10). 2144–2152. 77 indexed citations

Peyrin‐Biroulet, Laurent, Kiarash Khosrotehrani, Fabrice Carrat, et al.. (2011). Increased Risk for Nonmelanoma Skin Cancers in Patients Who Receive Thiopurines for Inflammatory Bowel Disease. Gastroenterology. 141(5). 1621–1628.e5. 345 indexed citations

Peyrin‐Biroulet, Laurent & Marc Lémann. (2011). Review article: remission rates achievable by current therapies for inflammatory bowel disease. Alimentary Pharmacology & Therapeutics. 33(8). 870–879. 148 indexed citations

Jouët, Pauline, J M Sabaté, Benoît Coffin, et al.. (2010). Fermentation of starch stimulates propagated contractions in the human colon. Neurogastroenterology & Motility. 23(5). 450–450. 16 indexed citations

Rahier, Jean‐François, S. Buche, Laurent Peyrin‐Biroulet, et al.. (2010). Severe Skin Lesions Cause Patients With Inflammatory Bowel Disease to Discontinue Anti–Tumor Necrosis Factor Therapy. Clinical Gastroenterology and Hepatology. 8(12). 1048–1055. 130 indexed citations

Seksik, Philippe, Xavier Tréton, Matthieu Allez, et al.. (2010). T1305 Are Anti-TNFS Able to Close Enterocutaneous Fistula in Crohn's Disease?. Gastroenterology. 138(5). S–533. 1 indexed citations

10.

Peyrin‐Biroulet, Laurent, Alarcos Cieza, William J. Sandborn, et al.. (2009). Disability in inflammatory bowel diseases: Developing ICF core sets for patients with inflammatory bowel diseases based on the international classification of functioning, disability, and health. Inflammatory Bowel Diseases. 16(1). 15–22. 69 indexed citations

11.

Simon, M., Sébastian Wittnebel, Vincent Pacault, et al.. (2008). Une pancréatite aiguë prolongée après allogreffe de moelle. Gastroentérologie Clinique et Biologique. 32(4). 413–416. 4 indexed citations

12.

Denis, Bernard, A. Lefort, René‐Marc Flipo, et al.. (2008). Long-term follow-up of patients with tuberculosis as a complication of tumour necrosis factor (TNF)-α antagonist therapy: safe re-initiation of TNF-α blockers after appropriate anti-tuberculous treatment. Clinical Microbiology and Infection. 14(2). 183–186. 34 indexed citations

13.

Goasguen, N., Pierre Cattan, G. Godiris-Petit, et al.. (2008). Lipome colique : cas clinique et revue de la littérature. Gastroentérologie Clinique et Biologique. 32(5). 521–524. 7 indexed citations

14.

D’Haens, Geert, William J. Sandborn, Brian G. Feagan, et al.. (2006). A Review of Activity Indices and Efficacy End Points for Clinical Trials of Medical Therapy in Adults With Ulcerative Colitis. Gastroenterology. 132(2). 763–786. 903 indexed citations breakdown →

15.

Allez, Matthieu, Marc Lémann, Joëlle Bonnet, et al.. (2002). Long term outcome of patients with active Crohn's disease exhibiting extensive and deep ulcerations at colonoscopy1. The American Journal of Gastroenterology. 97(4). 947–953. 200 indexed citations

16.

Jouët, Pauline, Jean‐Marc Sabaté, Benoît Coffin, et al.. (2002). Sugar intolerance: origin and mechanisms of symptoms?. Digestive Diseases and Sciences. 47(4). 886–893. 8 indexed citations

17.

Lémann, Marc, et al.. (1999). Idiopathic giant oesophageal ulcer in an immunocompetent patient. The efficacy of thalidomide treatment. Gut. 45(3). 463–464. 2 indexed citations

18.

Attar, A., Marc Lémann, A Ferguson, et al.. (1999). Comparison of a low dose polyethylene glycol electrolyte solution with lactulose for treatment of chronic constipation. Gut. 44(2). 226–230. 215 indexed citations

19.

Carbonnel, Franck, Marc Lémann, J C Rambaud, O. Mundler, & Raymond Jian. (1994). Effect of the energy density of a solid-liquid meal on gastric emptying and satiety. American Journal of Clinical Nutrition. 60(3). 307–311. 47 indexed citations

20.

Lémann, Marc, et al.. (1987). Crohn's disease with respiratory tract involvement.. Gut. 28(12). 1669–1672. 47 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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