John Ioannidis

Ioannidis in 2015 John P. A. Ioannidis ( ; , ; born August 21, 1965) is a Greek-American physician-scientist, writer and Stanford University professor who has made contributions to evidence-based medicine, epidemiology, and clinical research. Ioannidis studies scientific research itself – in other words, meta-research – primarily in clinical medicine and the social sciences.

He has served on the editorial board of over twenty scientific journals including ''Journal of the American Medical Association'' (''JAMA''), ''Journal of the National Cancer Institute'' (''JNCI'') and ''The Lancet''.

Ioannidis's 2005 essay "Why Most Published Research Findings Are False" was the most-accessed article in the history of Public Library of Science (PLOS) as of 2020, with more than three million views. Ioannidis was a prominent opponent of lockdowns during the COVID-19 pandemic, and he has been accused of promoting conspiracy theories about COVID-19 policies and public health and safety measures. Provided by Wikipedia
Showing 1 - 19 results of 19 for search 'John P. A. Ioannidis', query time: 0.04s Refine Results
  1. 1
    Is society caught up in a Death Spiral? Modeling societal demise and its reversal

    Is society caught up in a Death Spiral? Modeling societal demise and its reversal by Michaéla C. Schippers, John P. A. Ioannidis, John P. A. Ioannidis, John P. A. Ioannidis, John P. A. Ioannidis, John P. A. Ioannidis, Matthias W. J. Luijks

    Published 2024-03-01
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  2. 2
    Precision shielding for COVID-19: metrics of assessment and feasibility of deployment

    Precision shielding for COVID-19: metrics of assessment and feasibility of deployment by John P A Ioannidis

    Published 2021-01-01
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  3. 3
    Appraisal of umbrella reviews on vaccines

    Appraisal of umbrella reviews on vaccines by Rosa Katia Bellomo, John P. A. Ioannidis

    Published 2024-11-01
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  4. 4
    Conducting umbrella reviews

    Conducting umbrella reviews by John P A Ioannidis, Vanesa Bellou, Lazaros Belbasis

    Published 2022-12-01
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  5. 5
    Flawed methods and inappropriate conclusions for health policy on overweight and obesity: the Global BMI Mortality Collaboration meta‐analysis

    Flawed methods and inappropriate conclusions for health policy on overweight and obesity: the Global BMI Mortality Collaboration meta‐analysis by Katherine M. Flegal, John P.A. Ioannidis, Wolfram Doehner

    Published 2019-02-01
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  6. 6
    Paired associated SARS-CoV-2 spike variable positions: a network analysis approach to emerging variants

    Paired associated SARS-CoV-2 spike variable positions: a network analysis approach to emerging variants by Yiannis Manoussopoulos, Cleo Anastassopoulou, John P. A. Ioannidis, Athanasios Tsakris

    Published 2023-08-01
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  7. 7
    Assessment of transparency indicators in space medicine

    Assessment of transparency indicators in space medicine by Rosa Katia Bellomo, Emmanuel A. Zavalis, John P. A. Ioannidis

    Published 2024-01-01
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  8. 8
    Attention to local health burden and the global disparity of health research.

    Attention to local health burden and the global disparity of health research. by James A Evans, Jae-Mahn Shim, John P A Ioannidis

    Published 2014-01-01
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  9. 9
    Assessment of transparency indicators in space medicine.

    Assessment of transparency indicators in space medicine. by Rosa Katia Bellomo, Emmanuel A Zavalis, John P A Ioannidis

    Published 2024-01-01
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  10. 10
    COVID-19 advocacy bias in the BMJ: meta-research evaluation

    COVID-19 advocacy bias in the BMJ: meta-research evaluation by John P A Ioannidis, Ioana Cristea, Kasper P Kepp, Taulant Muka

    Published 2025-03-01
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  11. 11
    EU-US data transfers: an enduring challenge for health research collaborations

    EU-US data transfers: an enduring challenge for health research collaborations by Teodora Lalova-Spinks, Peggy Valcke, John P. A. Ioannidis, Isabelle Huys

    Published 2024-08-01
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  12. 12
    Expanding the data Ark: an attempt to make the data from highly cited social science papers publicly available

    Expanding the data Ark: an attempt to make the data from highly cited social science papers publicly available by Coby Dulitzki, Steven Michael Crane, Tom E. Hardwicke, John P. A. Ioannidis

    Published 2024-05-01
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  13. 13
    Linking citation and retraction data reveals the demographics of scientific retractions among highly cited authors.

    Linking citation and retraction data reveals the demographics of scientific retractions among highly cited authors. by John P A Ioannidis, Angelo Maria Pezzullo, Antonio Cristiano, Stefania Boccia, Jeroen Baas

    Published 2025-01-01
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  14. 14
    Effectiveness and harms of seasonal and pandemic influenza vaccines in children, adults and elderly<subtitle>A critical review and re-analysis of 15 meta-analyses</subtitle>

    Effectiveness and harms of seasonal and pandemic influenza vaccines in children, adults and elderly<subtitle>A critical review and re-analysis of 15 meta-analyses</subtitle> by Lamberto Manzoli, John P.A. Ioannidis, Maria Elena Flacco, Corrado De Vito, Paolo Villari

    Published 2012-07-01
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  15. 15
    When most fMRI connectivity cannot be detected: Insights from time course reliability.

    When most fMRI connectivity cannot be detected: Insights from time course reliability. by Jan Willem Koten, Hans Manner, Cyril Pernet, Andre Schüppen, Dénes Szücs, Guilherme Wood, John P A Ioannidis

    Published 2024-01-01
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  16. 16
    Risk of harm in synthetic and biological intervention trials in patients with inflammatory arthritis: protocol for a metaepidemiological study focusing on contextual factors

    Risk of harm in synthetic and biological intervention trials in patients with inflammatory arthritis: protocol for a metaepidemiological study focusing on contextual factors by Robin Christensen, Lars Erik Kristensen, Daniel Furst, Torkell Ellingsen, Sabrina Mai Nielsen, Simon Tarp, Esben Malm, Johannes Berg, John P. A. Ioannidis, Josef S. Smolen, Peter C. Taylor

    Published 2021-09-01
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  17. 17
    Consolidated guidance for behavioral intervention pilot and feasibility studies

    Consolidated guidance for behavioral intervention pilot and feasibility studies by Christopher D. Pfledderer, Lauren von Klinggraeff, Sarah Burkart, Alexsandra da Silva Bandeira, David R. Lubans, Russell Jago, Anthony D. Okely, Esther M. F. van Sluijs, John P. A. Ioannidis, James F. Thrasher, Xiaoming Li, Michael W. Beets

    Published 2024-04-01
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  18. 18
    Diagnostic accuracy of the Depression subscale of the Hospital Anxiety and Depression Scale (HADS-D) for detecting major depression: protocol for a systematic review and individual patient data meta-analyses

    Diagnostic accuracy of the Depression subscale of the Hospital Anxiety and Depression Scale (HADS-D) for detecting major depression: protocol for a systematic review and individual... by Simon Gilbody, Pim Cuijpers, Scott B Patten, Andrea Benedetti, Brooke Levis, John P A Ioannidis, Ian Shrier, Zahinoor Ismail, Dean McMillan, Nicholas Mitchell, Roy C Ziegelstein, Brett D Thombs, Russell J Steele, Kira E Riehm, Nazanin Saadat, Marleine Azar, Lorie A Kloda, Marcello Tonelli, Carmen G Loiselle, Melissa Henry

    Published 2016-04-01
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  19. 19
    Recommendations on data sharing in HIV drug resistance research.

    Recommendations on data sharing in HIV drug resistance research. by Seth C Inzaule, Mark J Siedner, Susan J Little, Santiago Avila-Rios, Alisen Ayitewala, Ronald J Bosch, Vincent Calvez, Francesca Ceccherini-Silberstein, Charlotte Charpentier, Diane Descamps, Susan H Eshleman, Joseph Fokam, Lisa M Frenkel, Ravindra K Gupta, John P A Ioannidis, Pontiano Kaleebu, Rami Kantor, Seble G Kassaye, Sergei L Kosakovsky Pond, Vinie Kouamou, Roger D Kouyos, Daniel R Kuritzkes, Richard Lessells, Anne-Genevieve Marcelin, Lawrence Mbuagbaw, Brian Minalga, Nicaise Ndembi, Richard A Neher, Roger Paredes, Deenan Pillay, Elliot G Raizes, Soo-Yon Rhee, Douglas D Richman, Kiat Ruxrungtham, Pardis C Sabeti, Jonathan M Schapiro, Sunee Sirivichayakul, Kim Steegen, Wataru Sugiura, Gert U van Zyl, Anne-Mieke Vandamme, Annemarie M J Wensing, Joel O Wertheim, Huldrych F Gunthard, Michael R Jordan, Robert W Shafer

    Published 2023-09-01
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