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2023 · Article · JMIR research protocols

Completeness of Reporting in Diet- and Nutrition-Related Randomized Controlled Trials and Systematic Reviews With Meta-Analysis: Protocol for 2 Independent Meta-Research Studies

Flávia Silva; Amanda Rodrigues Amorim Adegboye; Carl Lachat; Cintia Curioni; Fabio Gomes; Gary S Collins; Gilberto Kac; Jennifer Anne de Beyer; Jonathan Cook; Leila Cheikh Ismail; Matthew Page; Neha Khandpur; Sarah Lamb; Sally Hopewell; Shona Kirtley; Solange Durão; Colby J Vorland; Michael M Schlussel

Sets out two meta-research studies to assess reporting completeness, reproducible practices, and spin in nutrition trials and systematic reviews.

Open-science resources

Resource verification & source notes
  • Free full text (PMC): The complete article body was retrieved from the public NCBI PMC JATS endpoint. This confirms free access; reuse permissions depend on the individual article license.
  • Trial reporting study registration: The JMIR protocol names BF47G as the registration for its trial-reporting meta-research; the public OSF record confirms the study.
  • Systematic review study registration: The JMIR protocol names ZTFYX as the registration for its systematic-review meta-research; the public OSF record confirms the study.
  • Earlier preprint: Saved catalogue version matching based on title, ordered byline, and study content; prior manuscript DOI retained.

Publication details

Research themes

Reporting transparencyReproducibility & robustnessNutrition & aging

nutrition · clinical-trials · evidence-synthesis

Author affiliations & identifiers
  • Flávia Silva: Nutrition Department, Universidade Federal de Ciências da Saúde de Porto Alegre - UFCSPA, Porto Alegre, Brazil. · ORCID 0000-0003-0730-5424
  • Amanda Rodrigues Amorim Adegboye: Centre for Healthcare Research, Coventry University, Coventry, United Kingdom. · ORCID 0000-0003-2780-0350
  • Carl Lachat: Department of Food Technology, Safety and Health, Ghent University, Ghent, Belgium. · ORCID 0000-0002-1389-8855
  • Cintia Curioni: Department of Nutrition in Public Health, State University of Rio de Janeiro, Rio de Janeiro, Brazil. · ORCID 0000-0002-5160-9567
  • Fabio Gomes: Pan-American Health Organization, World Health Organization, Washington, WA, United States. · ORCID 0000-0003-4997-4642
  • Gary S Collins: UK EQUATOR Centre, Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom. · ORCID 0000-0002-2772-2316
  • Gilberto Kac: Nutritional Epidemiology Observatory, Department of Social and Applied Nutrition, Institute of Nutrition Josué de Castro, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil. · ORCID 0000-0001-8603-9077
  • Jennifer Anne de Beyer: UK EQUATOR Centre, Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom. · ORCID 0000-0002-3547-4973
  • Jonathan Cook: Oxford Clinical Trials Research Unit, Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom. · ORCID 0000-0002-3432-5191
  • Leila Cheikh Ismail: Department of Clinical Nutrition and Dietetics, College of Health Sciences, Sharjah, United Arab Emirates. · ORCID 0000-0003-3048-7481
  • Matthew Page: Methods in Evidence Synthesis Unit, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia. · ORCID 0000-0003-3706-6030
  • Neha Khandpur: Division of Human Nutrition and Health, Wageningen University and Research, Wageningen, Netherlands. · ORCID 0000-0002-4766-8361
  • Sarah Lamb: College of Medicine and Health, University of Exeter, Exeter, United Kingdom. · ORCID 0000-0003-4349-7195
  • Sally Hopewell: Oxford Clinical Trials Research Unit, Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom. · ORCID 0000-0002-6881-6984
  • Shona Kirtley: UK EQUATOR Centre, Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom. · ORCID 0000-0002-7801-5777
  • Solange Durão: Cochrane South Africa, South African Medical Research Council, South Africa, Cape Town, South Africa. · ORCID 0000-0001-7028-2638
  • Colby J Vorland: Department of Epidemiology and Biostatistics, Indiana University School of Public Health-Bloomington, Bloomington, IN, United States. · ORCID 0000-0003-4225-372X
  • Michael M Schlussel: UK EQUATOR Centre, Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom. · ORCID 0000-0002-1711-9310

Versions & associated materials

These items belong to this research work. Their individual titles, author lists, and source identifiers are preserved below.

Completeness of Reporting in Diet- and Nutrition-Related Randomized Controlled Trials and Systematic Reviews With Meta-Analysis: Protocol for 2 Independent Meta-Research Studies (Preprint)

Preprint · 2022 · JMIR Preprints

Flávia Silva; Amanda Rodrigues Amorim Adegboye; Carl Lachat; Cintia Curioni; Fabio Gomes; Gary S Collins; Gilberto Kac; Jennifer Anne de Beyer; Jonathan Cook; Leila Cheikh Ismail; Matthew Page; Neha Khandpur; Sarah Lamb; Sally Hopewell; Shona Kirtley; Solange Durão; Colby J Vorland; Michael M Schlussel

DOI: 10.2196/preprints.43537

Preprint & version links

Related materials

Source notes
  • CV abbreviates the ordered author list with ellipses; replace with complete authoritative list before displaying full authors.

Metadata sources: PubMed, OpenAlex, CV, Google Scholar. Classification is an editorial interpretation of the title, abstract, and supplied CV.