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2022 · Article · BMJ open

Protocol for a meta-research study of protocols for diet or nutrition-related trials published in indexed journals: general aspects of study design, rationale and reporting limitations

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

Describes a planned audit of nutrition-trial protocols to map their study designs and assess reporting against SPIRIT and TIDieR guidance.

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.
  • Study registration: The published protocol explicitly identifies this OSF registration; its public record and archived protocol PDF are available.

Publication details

Research themes

Reporting transparencyNutrition & aging

nutrition · clinical-trials

Author affiliations & identifiers
  • Flávia Moraes Silva: Nutrition Department, UFCSPA, Porto Alegre, Brazil. · ORCID 0000-0003-0730-5424
  • Amanda Rodrigues Amorim Adegboye: Centre for Healthcare Research, Coventry University, Coventry, UK.; Centre for Agroecology, Water and Resilience, Coventry University, Coventry, UK.
  • Cintia Curioni: Nutrition Institute, UERJ, Rio de Janeiro, Rio de Janeiro, Brazil. · ORCID 0000-0002-5160-9567
  • Fabio S Gomes: Pan American Health Organization, Washington, District of Columbia, USA. · ORCID 0000-0003-4997-4642
  • Gary Stephen Collins: UK EQUATOR Centre, Centre for Statistics in Medicine, Nuffield Department of Orthopaedics Reumathology and Musculoskeletal Sciences, University of Oxford, Oxford, UK. · ORCID 0000-0002-2772-2316
  • Gilberto Kac: Josué de Castro Nutrition Institute, UFRJ, Rio de Janeiro, Rio de Janeiro, Brazil.
  • Jennifer A De Beyer: UK EQUATOR Centre, Centre for Statistics in Medicine, Nuffield Department of Orthopaedics Reumathology and Musculoskeletal Sciences, University of Oxford, Oxford, UK.
  • Jonathan Alistair Cook: Oxford Clinical Trials Research Unit, Nuffield Department of Orthopaedics Rheumathology and Musculoskeletal Sciences, Oxford University, Oxford, UK. · ORCID 0000-0002-4156-6989
  • Leila Cheikh Ismail: Department of Clinical Nutrition and Dietetics, College of Health Sciences, University of Sharjah, Sharjah, UAE.; Nuffield Department of Women's & Reproductive Health, University of Oxford, Oxford, UK.
  • Matthew J Page: School of Public Health and Preventive Medicine, Monash University, Clayton, Victoria, Australia. · ORCID 0000-0002-4242-7526
  • Neha Khandpur: Centre for Epidemiological Research in Nutrition and Health, Department of Nutrition, School of Public Health, USP, Sao Paulo, Brazil.
  • Sarah Lamb: College of Medicine and Health, University of Exeter, Exeter, UK.
  • Sally Hopewell: Oxford Clinical Trials Research Unit, Nuffield Department of Orthopaedics Rheumathology and Musculoskeletal Sciences, Oxford University, Oxford, UK.
  • Shona Kirtley: UK EQUATOR Centre, Centre for Statistics in Medicine, Nuffield Department of Orthopaedics Reumathology and Musculoskeletal Sciences, University of Oxford, Oxford, UK.
  • Solange Durão: Cochrane South Africa, South African Medical Research Council, Cape Town, South Africa.
  • Colby J Vorland: Department of Applied Health Science, Indiana University School of Public Health - Bloomington, Bloomington, Indiana, USA.
  • Michael M Schlussel: UK EQUATOR Centre, Centre for Statistics in Medicine, Nuffield Department of Orthopaedics Reumathology and Musculoskeletal Sciences, University of Oxford, Oxford, UK michael.schlussel@csm.ox.ac.uk. · ORCID 0000-0002-1711-9310
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.