Box 19.3.a: Elements of a prospective meta-analysis protocol
Objectives: o Define the specific hypotheses / objectives. Methods: Criteria for considering studies for this review: o Eligibility criteria for trial design (e.g. requirements for randomization, minimum follow-up); o Eligibility criteria for the patient population; o Eligibility criteria for each intervention and comparator; o Outcomes information: specification of primary and secondary endpoints, definitions, measurement instruments, timing ; o Details of subgroups. Methods: Search methods for identification of studies: o Describe efforts made to identify ongoing trials; Methods: Data collection and analysis: · Trial details: o List details of trials identified for inclusion; o A statement outlining if, at the time of submission for registration of the PMA, any trial results were known (to anyone outside the trial's own data monitoring committee); o Trials should be included only if their results were unknown at the time they were identified and added to the PMA; o Whether a signed agreement to collaborate has been obtained from the appropriate representative of each trial (e.g. the Sponsor or Principal Investigator). · Analysis Plan: o Details of sample size and power calculation (for the PMA), interim analyses, sub-group analyses etc; · Management and Coordination: o Details of management structure and committees; o Data management (data to be collected, format required, when required, quality assurance procedures, etc); o Responsibility for statistical analyses. · Publication Policy: o Policy regarding authorship (e.g. publication in ‘group’ name); o Writing Committee (membership, responsibilities); o Policy regarding manuscript (e.g. circulated to all trialists for comment). |