# The Doctors for Coronavirus Prevention Project Thanksgiving / Christmas Messaging Campaign

> **NCT04644328** · NA · COMPLETED · sponsor: **National Bureau of Economic Research, Inc.** · enrollment: 820 (actual)

## Conditions studied

- Covid19

## Interventions

- **BEHAVIORAL:** Facebook Ads on the importance of staying safe during the Thanksgiving / Christmas holiday

## Key facts

- **NCT ID:** NCT04644328
- **Lead sponsor:** National Bureau of Economic Research, Inc.
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-11-12
- **Primary completion:** 2021-02-11
- **Final completion:** 2021-02-11
- **Target enrollment:** 820 (ACTUAL)
- **Last updated:** 2021-12-21

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04644328

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04644328, "The Doctors for Coronavirus Prevention Project Thanksgiving / Christmas Messaging Campaign". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04644328. Licensed CC0.

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