Trial Registration Number in Abstract
For a registered clinical trial, place the trial registration number where the target journal requires it; ICMJE recommends the end of the abstract. This is a manuscript-placement guide, not a substitute for the separate trial-registration process or protocol reporting. Follow the journal’s exact location and formatting rules.
For a registered clinical trial, place the trial registration number where the target journal requires it; ICMJE recommends the end of the abstract.
Key details
Important caveats
Scope Boundary
This is a manuscript-placement guide, not a substitute for the separate trial-registration process or protocol reporting. Follow the journal’s exact location and formatting rules.
Further guidance
Content
State the registry name when useful and give the exact registration number; verify it against the public record and keep the identifier consistent across abstract, manuscript, submission system, and metadata.
Purpose
Connect the manuscript to its prospective public trial record so readers and indexers can verify the registration.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
- Preparing a Manuscript for Submission to a Medical Journal — ICMJE (opens in a new tab)International Committee of Medical Journal Editors (ICMJE) · ICMJE manuscript-submission guidance on reporting sources of support/funding that facilitated the work