# Risk Stratification of COVID-19 Using Urine Biomarkers

> **NCT04681040** · — · UNKNOWN · sponsor: **National Center for Global Health and Medicine, Japan** · enrollment: 964 (actual)

## Conditions studied

- Covid19
- Urine
- Biomarker
- Acute Respiratory Failure With Hypoxia

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04681040
- **Lead sponsor:** National Center for Global Health and Medicine, Japan
- **Sponsor class:** OTHER_GOV
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-09-15
- **Primary completion:** 2024-02-14
- **Final completion:** 2024-03-25
- **Target enrollment:** 964 (ACTUAL)
- **Last updated:** 2024-03-27


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04681040

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04681040, "Risk Stratification of COVID-19 Using Urine Biomarkers". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT04681040. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*