Trial Registration Overview
PDF: Brief CT.gov Registration Highlights
| Register WHEN? | Phase 1 | Phases 2-4 | Device | Other Interventional* | Observational | Post Results? | |
|---|---|---|---|---|---|---|---|
| ICMJE | Before enrollment of 1st subject | Yes | Yes | Yes | Yes | No | No |
| NIH | Within 21 days of 1st subject’s enrollment | Yes | Yes | Yes | Yes | No | Yes |
| FDA | Within 21 days of 1st subject’s enrollment | No | Yes | Yes | No | No | Yes |
| CMS | Prior to claims submission (for Qualifying Clinical Trials) | Yes (if qualifying) | Yes | Yes | No | No | No |
| * Health-related or Behavioral Interventional Trials | |||||||