# Covid-19 Messaging to Underserved Communities - 2nd Experiment

> **NCT04502056** · NA · COMPLETED · sponsor: **National Bureau of Economic Research, Inc.** · enrollment: 20460 (actual)

## Conditions studied

- Covid19

## Interventions

- **BEHAVIORAL:** Acknowledgement Racial Injustice AMA
- **BEHAVIORAL:** African American Sender Acknowledgement
- **BEHAVIORAL:** African American Sender in Informational Videos.
- **BEHAVIORAL:** Racial Inequality Highlighted
- **BEHAVIORAL:** AMA Acknowledgement Drug Pricing
- **BEHAVIORAL:** White Sender in Acknowledgement
- **BEHAVIORAL:** White Sender in Informational Videos
- **BEHAVIORAL:** No Racial Inequality Highlighting
- **BEHAVIORAL:** Placebo videos

## Key facts

- **NCT ID:** NCT04502056
- **Lead sponsor:** National Bureau of Economic Research, Inc.
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-08-07
- **Primary completion:** 2020-09-06
- **Final completion:** 2020-09-06
- **Target enrollment:** 20460 (ACTUAL)
- **Last updated:** 2021-07-27

## Collaborators

- [object Object]
- [object Object]
- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04502056

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04502056, "Covid-19 Messaging to Underserved Communities - 2nd Experiment". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04502056. Licensed CC0.

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