PRISMA-P 2015 · 17-Item Checklist · PROSPERO Registration Standard

PRISMA-P Systematic Review Protocol Template

PRISMA-P (Preferred Reporting Items for Systematic review and Meta-Analysis Protocols) 2015 is the international standard for systematic review protocol reporting — required for PROSPERO registration and most evidence synthesis journals.

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The 17 PRISMA-P 2015 Checklist Items

Moher et al., BMJ 2015;349:g7647 · Shamseer et al., BMJ 2015;349:g7647.

#ItemWhat to include
1TitleIdentify the report as a systematic review or meta-analysis protocol in the title.
2RegistrationPROSPERO registration number (or similar registry). State if not yet registered.
3AuthorsAuthor names, institutional affiliations, and contact details.
4AmendmentsPlan for recording any protocol amendments if the protocol is updated.
5SupportFunding sources and role of the sponsor (if any) in the review.
6Eligibility criteriaStudy characteristics, participants (PICO: population, intervention, comparator, outcomes), and report characteristics that define eligibility.
7Information sourcesAll databases, registers, grey literature sources, and contact with study authors.
8Search strategyFull search strategy for at least one database, including limits.
9Study recordsProcess for study selection, data management, and handling duplicates.
10Data collectionData items to extract and the process for obtaining missing data.
11OutcomesPrimary and secondary outcomes, and how they will be prioritised.
12Risk of biasTool for assessing risk of bias (e.g., Cochrane RoB 2.0, ROBINS-I, NOS).
13Data synthesisStatistical methods: meta-analysis approach, heterogeneity (I²), subgroups.
14Meta-biasAssessment of publication bias (e.g., funnel plot, Egger's test).
15ConfidenceGRADE approach for assessing the certainty of evidence.
16LanguageLanguage restrictions and approach to non-English literature.
17Authors' contributionsPlanned contributions of each author to the review process.

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Key questions about systematic review protocols

Do I need to register my systematic review before starting?

PROSPERO registration is strongly recommended and required by many journals before you begin data extraction. It establishes primacy, prevents duplication, and reduces reporting bias. Registration is free via the University of York.

What is the difference between PRISMA and PRISMA-P?

PRISMA (2020) is the reporting guideline for completed systematic reviews. PRISMA-P (2015) is the guideline for systematic review protocols — describing what you plan to do before you do it. You need PRISMA-P for PROSPERO registration.

Which risk of bias tool should I use?

Use Cochrane RoB 2.0 for randomised trials and ROBINS-I for non-randomised studies. For diagnostic accuracy studies, QUADAS-2. For animal studies, SYRCLE. GRADE is the standard for certainty of evidence across all study types.

Related templates: CARE case report checklist · CONSORT RCT checklist · IRB protocol template (ICH-GCP)