# Recruit Blood Donors Via SMS During Epidemic of COVID-19 #Second Repeat Trial#

> **NCT04431180** · NA · UNKNOWN · sponsor: **Guangzhou Blood Center** · enrollment: 403535 (estimated)

## Conditions studied

- Blood Donation

## Interventions

- **BEHAVIORAL:** blood donation SMS

## Key facts

- **NCT ID:** NCT04431180
- **Lead sponsor:** Guangzhou Blood Center
- **Sponsor class:** OTHER_GOV
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-06-13
- **Primary completion:** 2020-06-13
- **Final completion:** 2020-06-30
- **Target enrollment:** 403535 (ESTIMATED)
- **Last updated:** 2020-06-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04431180

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04431180, "Recruit Blood Donors Via SMS During Epidemic of COVID-19 #Second Repeat Trial#". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04431180. Licensed CC0.

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