Study overview
Question → objectives → population → comparison → endpoints → study approach
Flow diagram
Steps
Research question
Define the evidence gap, setting and decision the study should inform.
Study objectives
Distinguish primary, secondary, exploratory and safety objectives.
Target population and setting
Specify the intended population and sites or data setting.
Intervention, exposure and comparison
Specify strategies and comparator; state when there is no comparator.
Endpoints and assessment
Define each outcome, measurement method and assessment window.
Study approach and feasibility
Choose an interventional or observational approach and assess feasibility.
Protocol and review milestones
Record protocol version, responsible reviewers and required approvals.
Tables and supporting information
Study specification
Use separate rows for unresolved design decisions.
Study rationale and evidence
Cite evidence for the research gap and intended comparison.
Open design decisions
Identify limitations, owners and decisions that must be resolved before study initiation.