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Theodore Rokkas
Adjunct Assistant Professor, Gastroenterology
The School of Medicine
Academic Qualifications
Qualification Year Awarding Institution Department Thesis title (Optional Entry)
Doctor of Philosophy (PhD)   1994 University of London (United Medical School Guy’s, St Thomas and King’s College Hospitals. Medicine Intestinal adaptation in health and disease
As. Professor of Internal Medicine and Gastroenterology 1994 Medical School, University of Thessaly, Larisa, Greece.   Medicine  
Doctor of Medicine (MD) 1988 University of Athens Medical School (Honours).   Medicine Genetics of peptic ulcer disease
Employment History
Period of employment Employer Location Position
From To
1984 1988 University of London (United Medical School Guy’s, St Thomas and King’s College Hospitals. London, U.K. Senior Registrar-Research fellow
1989 1999 401 General Army Hospital and Medical School, University of Thessaly, Larisa. Athens-Larisa, Greece Head GI Department –As. Professor- Researcher
2000 2019 Henry Dunant Hospital Athens Head GI Department Researcher
  1. Year Title Other authors Journal and Publisher / Conference Vol. Pages
    2018 Fecal calprotectin in assessing inflammatory bowel disease endoscopic activity: a diagnostic accuracy meta-analysis.    Portincasa PKoutroubakis IE. J Gastrointestin Liver Dis. 27 299-306
        2018     Gastric cancer: epidemiology, prevention, and therapy.       Venerito M, Vasapolli R, Malfertheiner P.       Helicobacter     23     Suppl 1:e12518
    2018 Mucin Expression in the Esophageal Malignant and Pre-malignant States: A Systematic Review and Meta-analysis. .   Niv Y, Ho SB, Fass R,   J Clin Gastroenterol. 52 91-96

    Eradication rates in Italian subjects heterogeneously managed for Helicobacter pylori infection. Time to abandon empiric treatments in Southern Europe.

    Di Ciaula AScaccianoce GVenerito MZullo A,  Bonfrate LPortincasa P.

    J Gastrointestin Liver Dis. 26 129-137
      2017   Management of Helicobacter pylori infection-the Maastricht V/Florence Consensus Report.       Malfertheiner P, Megraud F, O'Morain CA, Gisbert JP, Kuipers EJ, Axon AT, Bazzoli F, Gasbarrini A, Atherton J, Graham DY, Hunt R, Moayyedi P,  Rugge M, Selgrad M, Suerbaum S, Sugano K, El-Omar EM; European Helicobacter and Microbiota Study Group and Consensus panel.     Gut   66   6-30
      2016   Colon neoplasia in patients with type 2 diabetes on metformin: A meta-analysis.     Portincasa P   Eur J Intern Med   33   60-66
    2015 The association between Helicobacter pylori infection and inflammatory bowel disease based on meta-analysis.   Gisbert JP, Niv Y, O'Morain C. United European Gastroenterol J 3 539-50
    2015 The role of circulating microRNAs as novel biomarkers in diagnosing colorectal cancer: a meta-analysis.   Kothonas F, Rokka A, Koukoulis G Eur J Gastroenterol Hepatol. 27 819-25
    2014 Population differences concerning TNF-α gene polymorphisms in gastric carcinogenesis based on meta-analysis.   Sechopoulos P, Pistiolas D, Kothonas F, Margantinis G, Koukoulis G Ann Gastroenterol 27 139-148
    2012 Helicobacter pylori: gastric cancer and extragastric intestinal malignancies.   Selgrad M, Bornschein J, , Malfertheiner P.   Helicobacter 17 30-35
Research Projects
Academic Consulting Services/Councils/Boards/Editorial Committees
Period Organization Title of Position or Service Key Activities
2000-2019 European Helicobacter pylori and microbiota study group (EHSMG) Member and president (2002, 2015). Research, teaching and yearly international congresses
1988-2019 Hellenic Society of Gastroenterology   Member and president (2008). Research, teaching and yearly national congresses
2002-2019 Hellenic Society for study of Helicobacter pylori infection (EEMEP) Founding member and president 2002). Research, teaching and yearly national congresses
Awards/International Recognition
Date Title Awarded by:
1985 Research Award European Society of Clinical Investigation,
1986   Research Award European Society of Gastroenterology and Endoscopy
1992 Research Award 1st United European Gastroenterology Week.
Other Achievements