Ioannidis, John P. A.

Enhancing the usability of systematic reviews by improving the consideration and description of interventions

Hoffmann, T. C., Oxman, A. D., Ioannidis, J. P., Moher, D., Lasserson, T. J., Tovey, D. I., Stein, K., Sutcliffe, K., Ravaud, P., Altman, D. G., et al. (2017) · BMJ

Meta-analysis and systematic reviewsHealth Policy Implementation Science

Cited by 194

Estimating the Prevalence of Transparency and Reproducibility-Related Research Practices in Psychology (2014–2017)

Hardwicke, T. E., Thibault, R. T., Kosie, J. E., Wallach, J. D., Kidwell, M. C., & Ioannidis, J. P. A. (2022) · Perspectives on Psychological Science

Research Data Management PracticesAcademic Publishing and Open Access

Cited by 187

Survival benefits with diverse chemotherapy regimens for ovarian cancer: meta-analysis of multiple treatments

Kyrgiou, M., Salanti, G., Pavlidis, N., Paraskevaidis, E., & Ioannidis, J. P. A. (2006) · JNCI Journal of the National Cancer Institute

Ovarian cancer diagnosis and treatmentIntraperitoneal and Appendiceal Malignancies

Cited by 187

Limitations are not properly acknowledged in the scientific literature

Ioannidis, J. P. A. (2007) · Journal of Clinical Epidemiology

Academic Writing and PublishingMeta-analysis and systematic reviews

Cited by 180

Effect sizes in cumulative meta-analyses of mental health randomized trials evolved over time

Trikalinos, T. A., Churchill, R., Ferri, M., Leucht, S., Tuunainen, A., Wahlbeck, K., & Ioannidis, J. P. A. (2004) · Journal of Clinical Epidemiology

Meta-analysis and systematic reviewsStatistical Methods in Clinical Trials

Cited by 177

Head-to-head randomized trials are mostly industry sponsored and almost always favor the industry sponsor

Flacco, M. E., Manzoli, L., Boccia, S., Capasso, L., Aleksovska, K., Rosso, A., Scaioli, G., De Vito, C., Siliquini, R., Villari, P., et al. (2015) · Journal of Clinical Epidemiology

Pharmaceutical industry and healthcareStatistical Methods in Clinical Trials

Cited by 177

How to design preclinical studies in nanomedicine and cell therapy to maximize the prospects of clinical translation

Ioannidis, J. P. A., Kim, B. Y. S., & Trounson, A. (2018) · Nature Biomedical Engineering

Animal testing and alternativesStatistical Methods in Clinical Trials

Cited by 175

SPIRIT 2025 explanation and elaboration: updated guideline for protocols of randomised trials

Hróbjartsson, A., Boutron, I., Hopewell, S., Moher, D., Schulz, K. F., Collins, G. S., Tunn, R., Aggarwal, R., Berkwits, M., Berlin, J. A., et al. (2025) · BMJ

Meta-analysis and systematic reviewsStatistical Methods in Clinical Trials

Cited by 171

Estimates of the Continuously Publishing Core in the Scientific Workforce

Ioannidis, J. P. A., Boyack, K. W., & Klavans, R. (2014) · PLoS ONE

scientometrics and bibliometrics researchPsychology Research and Bibliometrics

Cited by 160

Statistically significant meta-analyses of clinical trials have modest credibility and inflated effects

Pereira, T. V., & Ioannidis, J. P. A. (2011) · Journal of Clinical Epidemiology

Meta-analysis and systematic reviewsStatistical Methods in Clinical Trials

Cited by 160

A consensus-based transparency checklist

Aczel, B., Szaszi, B., Sarafoglou, A., Kekecs, Z., Kucharský, Š., Benjamin, D., Chambers, C. D., Fisher, A., Gelman, A., Gernsbacher, M. A., et al. (2019) · Nature Human Behaviour

Academic Publishing and Open AccessMeta-analysis and systematic reviews

Cited by 152

Claims of Sex Differences: An Empirical Assessment in Genetic Associations

Patsopoulos, N. A., Tatsioni, A., & Ioannidis, J. P. A. (2007) · JAMA

Sex and Gender in HealthcareGenetic Associations and Epidemiology

Cited by 150

Evaluation of Evidence of Statistical Support and Corroboration of Subgroup Claims in Randomized Clinical Trials

Wallach, J. D., Sullivan, P. G., Trepanowski, J. F., Sainani, K. L., Steyerberg, E. W., & Ioannidis, J. P. A. (2017) · JAMA Internal Medicine

Meta-analysis and systematic reviewsStatistical Methods in Clinical Trials

Cited by 148

Assessment of transparency indicators across the biomedical literature: How open is open?

Serghiou, S., Contopoulos-Ioannidis, D. G., Boyack, K. W., Riedel, N., Wallach, J. D., & Ioannidis, J. P. A. (2021) · PLOS Biology

Academic Publishing and Open AccessResearch Data Management Practices

Cited by 139

CONSORT 2025 statement: Updated guideline for reporting randomised trials

Hopewell, S., Chan, A.-W., Collins, G. S., Hróbjartsson, A., Moher, D., Schulz, K. F., Tunn, R., Aggarwal, R., Berkwits, M., Berlin, J. A., et al. (2025) · PLOS Medicine

Meta-analysis and systematic reviewsDelphi Technique in Research

Cited by 139

Finding the power to reduce publication bias

Stanley, T. D., Doucouliagos, H., & Ioannidis, J. P. A. (2017) · Statistics in Medicine

Meta-analysis and systematic reviewsStatistical Methods in Epidemiology

Cited by 131

Potential Reporting Bias in fMRI Studies of the Brain

David, S. P., Ware, J. J., Chu, I. M., Loftus, P. D., Fusar-Poli, P., Radua, J., Munafò, M. R., & Ioannidis, J. P. A. (2013) · PLoS ONE

Meta-analysis and systematic reviewsFunctional Brain Connectivity Studies

Cited by 130

Evolution and Translation of Research Findings: From Bench to Where

Ioannidis, J. P. A. (2006) · PLoS Clinical Trials

Meta-analysis and systematic reviewsAcademic Publishing and Open Access

Cited by 129

Extrapolating from animals to humans

Ioannidis, J. P. A. (2012) · Science Translational Medicine

Animal testing and alternativesXenotransplantation and immune response

Cited by 124

Making Prospective Registration of Observational Research a Reality

Dal-Ré, R., Ioannidis, J. P., Bracken, M. B., Buffler, P. A., Chan, A.-W., Franco, E. L., La Vecchia, C., & Weiderpass, E. (2014) · Science Translational Medicine

Meta-analysis and systematic reviewsResearch Data Management Practices

Cited by 123

Concentration of the Most-Cited Papers in the Scientific Literature: Analysis of Journal Ecosystems

Ioannidis, J. P. A. (2006) · PLoS ONE

scientometrics and bibliometrics researchAcademic Publishing and Open Access

Cited by 122

Confidence and precision increase with high statistical power

Button, K. S., Ioannidis, J. P. A., Mokrysz, C., Nosek, B. A., Flint, J., Robinson, E. S. J., & Munafò, M. R. (2013) · Nature Reviews Neuroscience

Meta-analysis and systematic reviewsStatistical Methods in Clinical Trials

Cited by 121

Transforming Epidemiology for 21st Century Medicine and Public Health

Khoury, M. J., Lam, T. K., Ioannidis, J. P. A., Hartge, P., Spitz, M. R., Buring, J. E., Chanock, S. J., Croyle, R. T., Goddard, K. A., Ginsburg, G. S., et al. (2013) · Cancer Epidemiology, Biomarkers & Prevention

Historical and modern epidemiology studiesGlobal Cancer Incidence and Screening

Cited by 119

Replication of past candidate loci for common diseases and phenotypes in 100 genome-wide association studies

Siontis, K. C. M., Patsopoulos, N. A., & Ioannidis, J. P. A. (2010) · European Journal of Human Genetics

Genetic Associations and EpidemiologyGenetic Mapping and Diversity in Plants and Animals

Cited by 117