> ## Documentation Index
> Fetch the complete documentation index at: https://glossary.micahealth.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Primary completion date

The date when researchers collected final data for the primary outcome from the last participant, whether the study completed normally or was terminated. For studies with multiple primary outcomes, this is when all main outcome data collection finished. An "estimated" date indicates when researchers expect to reach this milestone.

## Related terms

<CardGroup cols={3}>
  <Card title="Intervention model" href="intervention_model" />
</CardGroup>

[*Source*](https://clinicaltrials.gov/study-basics/glossary)