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METRICS METRICStanford is accepting applications for its 2025-2026 postdoctoral fellowship in meta-research: metrics.stanford.edu/postdoctoral-f…. The deadline for applications is March 15, 2025, the position is expected to start at October 1, 2025.

Ioannidis JPA, Pezzullo AM, Cristiano A, Boccia S, Baas J. Linking citation and retraction data reveals the demographics of scientific retractions among highly cited authors. PLoS Biol. 2025 Jan 30;23(1):e3002999. doi: 10.1371/journal.pbio.3002999. journals.plos.org/plosbiology/ar…

Tanveer S, Ioannidis JPA. Removing Ineffective Drugs From the Market: Implications for Oral Phenylephrine and Beyond. JAMA. 2025 Jan 30. doi:10.1001/jama.2024.28197. Epub ahead of print. jamanetwork.com/journals/jama/…

Davis-Stober, Sarafoglou, Aczel, Chandramouli, Errington, Field, Fishbach, Freire, Ioannidis, Oberauer, Pestilli, Ressl, Schad, Ter Schure, Tentori, van Ravenzwaaij, Vandekerckhove, & Gundersen (2025). How can we make sound replication decisions? pnas.org/doi/10.1073/pn…

Aczel B, Barwich AS, Diekman AB, Fishbach A, Goldstone RL, Gomez P, Gundersen OE, von Hippel PT, Holcombe AO, Lewandowsky S, Nozari N, Pestilli F, Ioannidis JPA. The present and future of peer review: Ideas, interventions, and evidence pnas.org/doi/10.1073/pn…

Ioannidis JPA. Why does cardiology have many extreme publishing authors? Hellenic J Cardiol 2025 doi.org/10.1016/j.hjc.…

Russo L, Siena LM, Farina S, Pastorino R, Boccia S, Ioannidis JPA. High-impact trials with genetic and -omics information focus on cancer mutations, are industry-funded and less transparent. J Clin Epidemiol. 2025 jclinepi.com/article/S0895-…

Ioannidis JPA, Collins TA, Bendavid E, Baas J. Massive covidization and subsequent decovidization of the scientific literature involved 2 million authors. J Clin Epidemiol. 2025. jclinepi.com/article/S0895-…

Nilsonne G, Wieschowski S, DeVito NJ, et al. Results reporting for clinical trials led by medical universities and university hospitals in the Nordic countries was often missing or delayed. J Clin Epidemiol. 2025 Jan 31: jclinepi.com/article/S0895-…

Riedmann, Chalupka, Richter, Sprenger, Rauch, Schenk, Krause, Willeit, Oberacher, Høeg, Ioannidis, & Pilz. Estimates of SARS-CoV-2 Infections and Population Immunity After the COVID-19 Pandemic in Austria: Analysis of National Wastewater Data academic.oup.com/jid/advance-ar…

Riedmann, Chalupka, Richter, Sprenger, Rauch, Krause, Willeit, Schennach, Benka, Werber, Høeg, Ioannidis, & Pilz. COVID-19 case fatality rate and infection fatality rate from 2020 to 2023: Nationwide analysis in Austria sciencedirect.com/science/articl…

Ioannidis JPA. We Certainly Need Real Life Research-But What Is Real Life? onlinelibrary.wiley.com/doi/10.1111/je…

Ioannidis JPA. Convocation Address at McMaster: Evidence-Based Medicine, Predictability and Unpredictability. onlinelibrary.wiley.com/doi/10.1111/je…

Riedmann et al. Estimates of underlying health biases in SARS-CoV-2 vaccination recipients: a nationwide study in previously-infected adults doi.org/10.1101/2025.0…

Kepp KP, Cristea I, Muka T, Ioannidis JPA. COVID-19 advocacy bias in the BMJ: meta-research evaluation. BMJ Open Qual. 2025 bmjopenquality.bmj.com/content/14/1/e…

Parish A, Tolis G, Ioannidis JPA. Across 73 meta-analyses mortality improvements are uncommon with newer interventions in adult cardiac surgery. J Clin Epidemiol. 2025 jclinepi.com/article/S0895-…

van den Akker OR, Thibault RT, Ioannidis JPA., Schorr SG, Strech D. Transparency in the secondary use of health data: assessing the status quo of guidance and best practices. R. Soc. Open Sci. 2025 doi.org/10.1098/rsos.2…

Provenance and funding of extremely cited biomedical papers published in 2003-2004, 2013-2014 and 2023-2024. John P.A. Ioannidis. medRxiv doi.org/10.1101/2025.0…

Djulbegovic B, Hozo I, Iskander R, Parish A, Kimmelman J, Ioannidis JPA. Progress in Cancer Therapeutics: Is There an Upper Limit on the Maximum Effect that Can Be Detected in Randomized Trials. SSRN preprint, 2025 papers.ssrn.com/sol3/papers.cf…

Estimates of underlying health biases in SARS-CoV-2 vaccination recipients: a nationwide study in previously-infected adults. Riedmann et al. 2025 medRxiv  doi.org/10.1101/2025.0…