Clinical trial registration: transparency is the watchword
Integrity signals
Registry
Cites
Statistics
Claims the paper makes
Cites
Dickersin, K. (2003) · JAMA · doi:10.1001/jama.290.4.516 · Cited by 512 · see citing works
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SPIRIT 2013 Statement: Defining Standard Protocol Items for Clinical Trials
Chan, A.-W., Tetzlaff, J. M., Altman, D. G., Laupacis, A., Gøtzsche, P. C., Krleža-Jerić, K., Hróbjartsson, A., Mann, H., Dickersin, K., Berlin, J. A., et al. (2013) · Annals of Internal Medicine · doi:10.7326/0003-4819-158-3-201302050-00583 · Cited by 7,363 · see citing works
Self-citationSPIRIT 2013 explanation and elaboration: guidance for protocols of clinical trials
Chan, A.-W., Tetzlaff, J. M., Gotzsche, P. C., Altman, D. G., Mann, H., Berlin, J. A., Dickersin, K., Hrobjartsson, A., Schulz, K. F., Parulekar, W. R., et al. (2013) · BMJ · doi:10.1136/bmj.e7586 · Cited by 6,251 · see citing works
Self-citationPublication of Clinical Trials Supporting Successful New Drug Applications: A Literature Analysis
Lee, K., Bacchetti, P., & Sim, I. (2008) · PLoS Medicine · doi:10.1371/journal.pmed.0050191 · Cited by 215 · see citing works
Self-citationChan, A.-W., Hrobjartsson, A., Jorgensen, K. J., Gotzsche, P. C., & Altman, D. G. (2008) · BMJ · doi:10.1136/bmj.a2299 · Cited by 202 · see citing works
Self-citationClinical research informatics: challenges, opportunities and definition for an emerging domain
Embi, P. J., & Payne, P. R. O. (2009) · Journal of the American Medical Informatics Association · doi:10.1197/jamia.m3005 · Cited by 163 · see citing works
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 · doi:10.1136/bmj-2024-081660 · Cited by 171 · see citing works
Self-citationPlacebo effect studies are susceptible to response bias and to other types of biases
Hróbjartsson, A., Kaptchuk, T. J., & Miller, F. G. (2011) · Journal of Clinical Epidemiology · doi:10.1016/j.jclinepi.2011.01.008 · Cited by 150 · see citing works
Bias, Spin, and Misreporting: Time for Full Access to Trial Protocols and Results
Chan, A.-W. (2008) · PLoS Medicine · doi:10.1371/journal.pmed.0050230 · Cited by 144 · see citing works
Self-citationTARG Meta-Research Group & Collaborators (2023) · BMJ Open · doi:10.1136/bmjopen-2023-076264 · Cited by 33 · see citing works
Reporting summary results in clinical trial registries: updated guidance from WHO
Chan, A.-W., Karam, G., Pymento, J., Askie, L. M., da Silva, L. R., Aymé, S., Taylor, C. M., Hooft, L., Ross, A. L., & Moorthy, V. (2025) · The Lancet Global Health · doi:10.1016/s2214-109x(24)00514-x · Cited by 24 · see citing works
Self-citationPotthast, R., Vervölgyi, V., McGauran, N., Kerekes, M. F., Wieseler, B., & Kaiser, T. (2014) · PLoS ONE · doi:10.1371/journal.pone.0092067 · Cited by 20 · see citing works
Nonpublication and Selective Outcome Reporting of Oral Health Trials
Diakonoff, H., Khalil, G., Jungo, S., Treluyer, J. M., Fron-Chabouis, H., & Smaïl-Faugeron, V. (2023) · Journal of Dental Research · doi:10.1177/00220345231158544 · Cited by 7 · see citing works
- Authors
- Sim, I., Chan, A.-W., Gülmezoglu, A. M., Evans, T., & Pang, T.
- Affiliations
- University of California, San Francisco (US)
- University of Toronto (CA)
- World Health Organization (CH)
- Corresponding author
- Sim, Ida
- Venue
- The Lancet
- Publisher
- Elsevier BV
- Published
- 2006-05
- Volume
- 367
- Issue
- 9523
- Pages
- 1631-1633
- ISSN
- 0099-5355 (ISSN-L)
- 0140-6736
- OpenAlex
- W2064638166
- Cited by
- 165
- References
- 1
- Citations by year
- 2026: 3 · 2025: 3 · 2024: 3 · 2023: 7 · 2022: 5 · 2021: 6 · 2020: 8 · 2019: 5 · 2018: 3 · 2017: 10 · 2016: 3 · 2015: 5 · 2014: 4 · 2013: 15 · 2012: 15
- FWCI
- 16.30
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- The Lancet (publishedVersion)
- PubMed (publishedVersion)
- DigitalGeorgetown (Georgetown University Library) (submittedVersion)
- Topics
- Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmacology › Pharmaceutical industry and healthcare
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Ethics in Clinical Research
- Physical Sciences › Mathematics › Statistics and Probability › Statistical Methods in Clinical Trials
- Keywords
- clinical trial registration, transparency, industry-funded trials, clinical trial recruitment
- MeSH terms
- Clinical Trials as Topic, Humans, Registries
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Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
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