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Associate Professor Department of Clinical Medicine thrasyvoulos.tzellos@uit.no

Thrasyvoulos Tzellos


Job description

Associate Professor


  • Alexander J. Stratigos, Marie A. Richard, Clio Dessinioti, Carle Paul, Tamar Nijsten, Paolo Gisondi et al.:
    The prevalence of skin diseases in Greece, impact on quality of life and stigmatization: A population-based survey study
    JEADV Clinical Practice 2024 DOI
  • Thrasyvoulos Tzellos, Synne Ildahl Svendsen, Mari Øvergaard, Eldrid Oftestad, Mari Lahelma, Anna-Kaisa Asikainen et al.:
    Quality of Care and Management of Atopic Dermatitis Across Different Levels of Healthcare—A Survey-Based Patient Experience
    Journal of Patient Experience (JPE) 2024 DOI
  • Anthony J. Dixon, Athanassios Kyrgidis, Howard K. Steinman, John B. Dixon, Michael Sladden, Claus Garbe et al.:
    Sentinel lymph node biopsy is unreliable in predicting melanoma mortality for both younger and older patients
    Journal of the European Academy of Dermatology and Venereology 2024 DOI
  • Lindsey Greenlund, Claire Herzog, Zachary Wendland, Katelyn Rypka, John W. Frew, Joslyn S. Kirby et al.:
    Discrepancies in hidradenitis suppurativa lesion characterization by providers and patients
    Journal of the European Academy of Dermatology and Venereology 2024 DOI
  • Christos C. Zouboulis, Athanassios Kyrgidis, Afsaneh Alavi, Gregor B. E. Jemec, Antonio Martorell, Angelo V. Marzano et al.:
    Secukinumab efficacy in patients with hidradenitis suppurativa assessed by the International Hidradenitis Suppurativa Severity Score System (IHS4): A post hoc analysis of the SUNSHINE and SUNRISE trials
    Journal of the European Academy of Dermatology and Venereology 2024 DOI
  • A. Dixon, H.K. Steinman, A. Kyrgidis, H. Smith, M. Sladden, C. Zouboulis et al.:
    Online prediction tools for melanoma survival: A comparison
    Journal of the European Academy of Dermatology and Venereology 2023 DOI
  • Kelsey R. Van Straalen, Thrasyvoulos Tzellos, Afsaneh Alavi, Farida Benhadou, Carlos Cuenca-Barrales, Mathilde Daxhelet et al.:
    External Validation of the IHS4-55 in a European Antibiotic-Treated Hidradenitis Suppurativa Cohort
    Dermatology 2023 DOI
  • Piergiacomo Calzavara-Pinton, Jarmila Čelakovská, Hilde Lapeere, Gregor Holzer, Mona Al-Ahmad, Chia-Yu Chu et al.:
    Baseline Demographics, Comorbidities, Treatment Patterns and Burden of Atopic Dermatitis in Adults and Adolescents from the GLOBOSTAD Long-Term Observational Study
    Advances in Therapy 2023 ARKIV / DOI
  • Puneet Agarwal, Snehal Balvant Lunge, Nandini Sundar Shetty, Priyanka Karagaiah, Steven Daveluy, Alex G. Ortega-Loayza et al.:
    Itch in Hidradenitis Suppurativa/Acne Inversa: A Systematic Review
    Journal of Clinical Medicine 2022 DOI
  • Bria Midgette, Andrew Strunk, Oleg Akilov, Afsaneh Alavi, Christine Ardon, Falk G. Bechara et al.:
    Factors associated with treatment satisfaction in patients with hidradenitis suppurativa: results from the Global VOICE project
    British Journal of Dermatology 2022 ARKIV / DOI
  • Ratnakar Shukla, Priyanka Karagaiah, Anant Patil, Katherine Farnbach, Alex G. Ortega-Loayza, Thrasyvoulos Tzellos et al.:
    Surgical Treatment in Hidradenitis Suppurativa
    Journal of Clinical Medicine 2022 DOI
  • Thrasyvoulos Tzellos, Kelsey R. van Straalen, Athanassios Kyrgidis, Afsaneh Alavi, Noah Goldfarb, Wayne Gulliver et al.:
    Development and validation of IHS4-55, an IHS4 dichotomous outcome to assess treatment effect for hidradenitis suppurativa
    Journal of the European Academy of Dermatology and Venereology 2022 DOI
  • Thrasyvoulos Tzellos, Christos C. Zouboulis :
    Which hidradenitis suppurativa comorbidities should I take into account?
    Experimental Dermatology 2022 DOI
  • Evangelos J. Giamarellos-Bourboulis, Vincenzo Bettoli, Gregor B.E. Jemec, Veronique del Marmol, Angelo V. Marzano, Errol P. Prens et al.:
    Anti-COVID-19 measurements for hidradenitis suppurativa patients
    Experimental Dermatology 2021 DOI
  • Christos C. Zouboulis, John W. Frew, Evangelos J. Giamarellos-Bourboulis, Gregor B.E. Jemec, Veronique del Marmol, Angelo V. Marzano et al.:
    Target molecules for future hidradenitis suppurativa treatment
    Experimental Dermatology 2021 DOI
  • Kelsey R. van Straalen, Thrasyvoulos Tzellos, Phillipe Guillem, Farida Benhadou, Carlos Cuenca-Barrales, M. Daxhelet et al.:
    The efficacy and tolerability of tetracyclines and clindamycin plus rifampicin for the treatment of hidradenitis suppurativa: Results of a prospective European cohort study
    Journal of American Academy of Dermatology 2021 DOI
  • Pavel V. Chernyshov, Andrew Y. Finlay, Lucia Tomas-Aragones, Francoise Poot, Francesca Sampogna, Servando E Marron et al.:
    Quality of life in hidradenitis suppurativa: An update
    International Journal of Environmental Research and Public Health (IJERPH) 2021 DOI
  • Christos C. Zouboulis, Farida Benhadou, Angel S. Byrd, Nisha S. Chandran, EJ Giamarellos-Bourboulis, Gabriella Fabbrocini et al.:
    What causes hidradenitis suppurativa ? — 15 years after
    Experimental Dermatology 2020 DOI
  • Christos C. Zouboulis, Wayne Gulliver, John Ingram, Brian Kirby, Evangelos J. Giamarellos-Bourboulis, Maurizio Podda et al.:
    Endpoints of clinical trials for Hidradenitis Suppurativa: Proceedings of a round-table session
    Experimental Dermatology 2020 DOI
  • Thrasyvoulos Tzellos, Christos C. Zouboulis :
    Review of Comorbidities of Hidradenitis Suppurativa: Implications for Daily Clinical Practice
    Dermatology and Therapy 2020 ARKIV / DOI
  • Jacob P. Thyssen, Steffen Heegaard, Lena Ivert, Anita Remitz, Tove Agner, Marjolein de Bruin-Weller et al.:
    Management of ocular manifestations of atopic dermatitis: A consensus meeting using a modified delphi process
    Acta Dermato-Venereologica 14. September 2020 DOI
  • Christos C. Zouboulis, Falk Georges Bechara, Janine L. Dickinson-Blok, Wayne Peter Frances Gulliver, Barbara H. Horváth, Rosalind Hughes et al.:
    Hidradenitis suppurativa/acne inversa: a practical framework for treatment optimization ? systematic review and recommendations from the HS ALLIANCE working group
    Journal of the European Academy of Dermatology and Venereology 2019 ARKIV / DOI
  • Amit Garg, Erica Neuren, Denny Cha, Joslyn S Kirby, John R Ingram, Gregor BE Jemec et al.:
    Evaluating Patients' Unmet Needs in Hidradenitis Suppurativa: results from the Global VOICE project
    Journal of American Academy of Dermatology 2019 DOI
  • Linnea Thorlacius, Amit Garg, PT Riis, SM Nielsen, V Bettoli, John R Ingram et al.:
    Inter-rater agreement and reliability of outcome measurement instruments and staging systems used in hidradenitis suppurativa
    British Journal of Dermatology 2019 DOI
  • Pavel V. Chernyshov, Christos C. Zouboulis, Lucia Tomas-Aragones, Gregor Borut Ernst Jemec, Åke Svensson, Liana Manolache et al.:
    Quality of life measurement in hidradenitis suppurativa: position statement of the European Academy of Dermatology and Venereology task forces on Quality of Life and Patient-Oriented Outcomes and Acne, Rosacea and Hidradenitis Suppurativa
    Journal of the European Academy of Dermatology and Venereology 2019 DOI
  • Øystein Grimstad, Thrasyvoulos Tzellos, Deirdre Nathalie Dufour, Øyvind Magne Bremnes, Inger Marie Skoie, Ingrid Snekvik et al.:
    Evaluation of medical and surgical treatments for hidradenitis suppurativa using real-life data from the Scandinavian registry (HISREG)
    Journal of the European Academy of Dermatology and Venereology 2019 DOI
  • Alexandra Boer Kimball, Thrasyvoulos Tzellos, Brian M Calimlim, Henrique D Teixeira, Ziqian Geng, Martin M Okun :
    Achieving hidradenitis suppurativa response score is associated with significant improvement in clinical and patient-reported outcomes: Post hoc analysis of pooled data from PIONEER I and II
    Acta Dermato-Venereologica 2018 ARKIV / DOI
  • Pavel V. Chernyshov, Christos C. Zouboulis, Lucía Tómas-Aragonés, Gregor Borut Ernst Jemec, Liana Manolache, Thrasyvoulos Tzellos et al.:
    Quality of life measurement in acne. Position Paper of the European Academy of Dermatology and Venereology Task Forces on Quality of Life and Patient Oriented Outcomes and Acne, Rosacea and Hidradenitis Suppurativa
    Journal of the European Academy of Dermatology and Venereology 2018 DOI
  • Thrasyvoulos Tzellos, H Yang, F Mu, B Calimlim, J Signorovitch :
    Impact of hidradenitis suppurativa on work loss, indirect costs and income
    British Journal of Dermatology 2018 ARKIV / DOI
  • CC Zouboulis, Thrasyvoulos Tzellos, A Kyrgidis, GBE Jemec, FG Bechara, EJ Giamarellos-Bourboulis et al.:
    Development and validation of the International Hidradenitis Suppurativa Severity Score System (IHS4), a novel dynamic scoring system to assess HS severity
    British Journal of Dermatology 2017 DOI
  • Dominique C. van Rappard, Jan R. Mekkes, Thrasivoulos Tzellos :
    Randomized Controlled Trials for the Treatment of Hidradenitis Suppurativa
    Dermatologic clinics 2016 DOI
  • Wayne Peter Frances Gulliver, Christos C. Zouboulis, Errol P. Prens, Gregor Borut Ernst Jemec, Thrasivoulos Tzellos :
    Evidence-based approach to the treatment of hidradenitis suppurativa/acne inversa, based on the European guidelines for hidradenitis suppurativa
    Reviews in endocrine and metabolic disorders (Print) 2016 DOI
  • Thrasyvoulos Tzellos :
    Sentinel lymph node biopsy followed by lymph node dissection for localised primary cutaneous melanoma
    Cochrane Database of Systematic Reviews 2015 DOI
  • Thrasyvoulos Tzellos :
    Interventions for melanoma in situ, including lentigo maligna
    Cochrane Database of Systematic Reviews 2015 DOI
  • Thrasivoulos Tzellos, Christos C. Zouboulis, Wayne Peter Frances Gulliver, Amon D. Cohen, Pierr Wolkenstein, Gregor Borut Ernst Jemec :
    Cardiovascular disease risk factors in patients with hidradenitis suppurativa: A systematic review and meta-analysis of observational studies
    British Journal of Dermatology 2015 DOI
  • Christos C. Zouboulis, Veronique Del Marmol, Ulrich Mrowietz, Errol P. Prens, Thrasivoulos Tzellos, Gregor B.E. Jemec :
    Hidradenitis suppurativa/acne inversa: criteria for diagnosis, severity assessment, classification and disease evaluation
    Dermatology 2015 DOI
  • C.C. Zouboulis, E.J. Giamarellos-Bourboulis, G.B.E. Jemec, A.C. Katoulis, E.P. Prens, Thrasyvoulos Tzellos :
    Significant spontaneous daily fluctuation of inflammatory nodules and abscesses but not of draining tunnels in hidradenitis suppurativa/acne inversa
    Journal of the European Academy of Dermatology and Venereology 2024 DOI
  • Hessel H. Van Der Zee, Johanna C. Van Huijstee, Kelsey R. Van Straalen, Gregor B.E. Jemec, Christos C. Zouboulis, Thrasyvoulos Tzellos et al.:
    Viewpoint on the Evaluation of Severity and Treatment Effects in Mild Hidradenitis Suppurativa: The Cumulative IHS4
    Dermatology 2024 DOI
  • Athanassios Kyrgidis, Anthony J. Dixon, Michael Sladden, Howard K. Steinman, Christos C. Zouboulis, Aimilios Lallas et al.:
    Sentinel lymph node biopsy may no longer be a critical component of melanoma management
    Journal of the European Academy of Dermatology and Venereology 2024 DOI
  • A.J. Dixon, H.K. Steinman, A. Kyrgidis, H. Smith, M. Sladden, C. Zouboulis et al.:
    Improved methodology in determining melanoma mortality and selecting patients for immunotherapy
    Journal of the European Academy of Dermatology and Venereology 2023 DOI
  • V.A. Zouboulis, A.F. Massa, G. Nikolakis, E.P. Prens, J.C. Szepietowski, Thrasyvoulos Tzellos et al.:
    Baseline knowledge of dermatology specialists/residents on hidradenitis suppurativa and immediate learning outcome after their participation at an EADV School
    Journal of the European Academy of Dermatology and Venereology 2023 DOI
  • Christos C. Zouboulis, Errol P. Prens, Christopher J. Sayed, Alejandro Molina-Leyva, Vincenzo Bettoli, Marco Romanelli et al.:
    International Hidradenitis Suppurativa Severity Scoring System (IHS4) as a holistic measure of hidradenitis suppurativa disease severity compared with Hurley staging: A post hoc analysis of the SUNRISE and SUNSHINE phase 3 trials of secukinumab
    Journal of the European Academy of Dermatology and Venereology 2023 DOI
  • C.C. Zouboulis, B. Hrvatin Stancic, A. Abaitancei, M.J. Guimarães, I.L. Lobo, A.F. Massa et al.:
    The inter-rater reliability of IHS4 corroborates its aptitude as primary outcome measurement instrument for large clinical studies in hidradenitis suppurativa
    Journal of the European Academy of Dermatology and Venereology 2023 DOI
  • Heidi A. Kurn, McKenna Abercrombie, Thrasyvoulos Tzellos, Robert P. Dellavalle :
    From the Cochrane library: Interventions for melanoma in situ, including lentigo maligna
    Journal of American Academy of Dermatology 2022 DOI
  • Mathilde Daxhelet, Mathieu Daoud, Mariano Suppa, Farida Benhadou, Hassane Njimi, Thrasyvoulos Tzellos et al.:
    European registry for hidradenitis suppurativa: state of play
    Journal of the European Academy of Dermatology and Venereology 2021 DOI
  • Thrasyvoulos Tzellos, Christos C. Zouboulis :
    Correction to: Review of Comorbidities of Hidradenitis Suppurativa: Implications for Daily Clinical Practice (Dermatology and Therapy, (2020), 10, 1, (63-71), 10.1007/s13555-020-00354-2)
    Dermatology and Therapy 2020 DOI
  • M. Daxhelet, Mariano Suppa, Farida Benhadou, Vahid Djamei, Thrasyvoulos Tzellos, Gisli Ingvarsson et al.:
    Establishment of a European Registry for hidradenitis suppurativa/acne inversa by using an open source software
    Journal of the European Academy of Dermatology and Venereology 2016 DOI

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