World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
86
Citations
36005
World Ranking
13919
National Ranking
450

Overview

Marc Lémann was affiliated with Université Paris Cité in France during their academic career. Their work was situated within the context of this institution, contributing to its research environment.

There are no recorded recent publications or papers explicitly associated with Marc Lémann in the available data. Similarly, there is no available information on frequent co-authors, main fields of study, subfields, or specific topics covered in their research.

Details regarding their academic output at major publication venues or book publications are not provided, indicating limited public bibliographic records or gaps in the accessible metadata concerning their professional contributions.

No awards or recognitions have been documented for Marc Lémann in the provided data, and no other professional distinctions are noted.

Best Publications

  • Genome-wide meta-analysis increases to 71 the number of confirmed Crohn's disease susceptibility loci

    Andre Franke;Dermot P B McGovern;Jeffrey C. Barrett;Kai Wang

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

    A. Dignass;G. Van Assche;J.O. Lindsay;M. Lémann

  • Meta-analysis identifies 29 additional ulcerative colitis risk loci, increasing the number of confirmed associations to 47.

    Carl A. Anderson;Gabrielle Boucher;Charlie W. Lees;Andre Franke

  • A review of activity indices and efficacy end points for clinical trials of medical therapy in adults with ulcerative colitis.

    Geert D’Haens;William J. Sandborn;Brian G. Feagan;Karel Geboes

  • Lymphoproliferative disorders in patients receiving thiopurines for inflammatory bowel disease: a prospective observational cohort study

    Laurent Beaugerie;Nicole Brousse;Anne Marie Bouvier;Jean Frédéric Colombel

  • European evidence based consensus on the diagnosis and management of Crohn’s disease: current management

    Spl Travis;EF Stange;Marc Lémann;T Oresland

  • 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

    Florence Tubach;Dominique Salmon;Philippe Ravaud;Yannick Allanore

  • European evidence-based Consensus on the management of ulcerative colitis: Current management.

    S. P. L Travis;E. F Stange;M Lemann;T Oresland

  • Maintenance of Remission Among Patients With Crohn's Disease on Antimetabolite Therapy After Infliximab Therapy Is Stopped

    Edouard Louis;Jean–Yves Mary;Gwenola Vernier–Massouille;Jean–Charles Grimaud

  • Development of the Crohn's disease digestive damage score, the Lémann score†‡§

    Benjamin Pariente;Jacques Cosnes;Silvio Danese;William J. Sandborn

  • Ciclosporin versus infliximab in patients with severe ulcerative colitis refractory to intravenous steroids: a parallel, open-label randomised controlled trial

    David Laharie;Arnaud Bourreille;Julien Branche;Matthieu Allez

  • Developing an instrument to assess the endoscopic severity of ulcerative colitis: the Ulcerative Colitis Endoscopic Index of Severity (UCEIS)

    Simon P L Travis;Dan Schnell;Piotr Krzeski;Maria T Abreu

  • Long-term follow-up of patients with Crohn's disease treated with azathioprine or 6-mercaptopurine

    Y. Bouhnik;G. Scemama;R. Taï;C. Matuchansky

  • Clinical implications of mucosal healing for the management of IBD

    Guillaume Pineton de Chambrun;Laurent Peyrin-Biroulet;Marc Lémann;Jean-Frédéric Colombel

  • Increased risk for nonmelanoma skin cancers in patients who receive thiopurines for inflammatory bowel disease

    Laurent Peyrin–Biroulet;Kiarash Khosrotehrani;Fabrice Carrat;Anne–Marie Bouvier

  • The London Position Statement of the World Congress of Gastroenterology on Biological Therapy for IBD With the European Crohn's and Colitis Organization: When to Start, When to Stop, Which Drug to Choose, and How to Predict Response

    Geert R. D'Haens;Remo Panaccione;Peter D.R. Higgins;Severine Vermeire

  • Ineffectiveness of Lactobacillus johnsonii LA1 for prophylaxis of postoperative recurrence in Crohn’s disease: a randomised, double blind, placebo controlled GETAID trial

    P. Marteau;M. Lémann;P. Seksik;D. Laharie

  • Infliximab plus azathioprine for steroid-dependent Crohn's disease patients: a randomized placebo-controlled trial.

    Marc LÉmann;Jean–Yves Mary;Bernard Duclos;Michel Veyrac

  • A randomized, double-blind, controlled withdrawal trial in Crohn's disease patients in long-term remission on azathioprine.

    Marc Lémann;Jean-Yves Mary;Jean-Frédéric Colombel;Bernard Duclos

  • Abnormal perception of visceral pain in response to gastric distension in chronic idiopathic dyspepsia. The irritable stomach syndrome.

    M. Lemann;J. P. Dederding;B. Flourie;C. Franchisseur

Frequent Co-Authors

Jean-Frederic Colombel
Jean-Frederic Colombel Icahn School of Medicine at Mount Sinai
Matthieu Allez
Matthieu Allez Université Paris Cité
Yoram Bouhnik
Yoram Bouhnik Beaujon Hospital
Xavier Hébuterne
Xavier Hébuterne Université Côte d'Azur
Franck Carbonnel
Franck Carbonnel University of Paris-Saclay
Jean-Pierre Hugot
Jean-Pierre Hugot Université Paris Cité
Laurent Peyrin-Biroulet
Laurent Peyrin-Biroulet University of Lorraine
Geert R. D'Haens
Geert R. D'Haens University of Amsterdam

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