# Immunophenotyping Assessment in a COVID-19 Cohort

> **NCT04378777** · — · COMPLETED · sponsor: **National Institute of Allergy and Infectious Diseases (NIAID)** · enrollment: 1227 (actual)

## Conditions studied

- Coronavirus Disease 2019 (COVID-19)
- SARS-CoV-2

## Interventions

- **PROCEDURE:** Biological sample collection
- **PROCEDURE:** Data Collection: Clinical Care Assessments

## Key facts

- **NCT ID:** NCT04378777
- **Lead sponsor:** National Institute of Allergy and Infectious Diseases (NIAID)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-05-01
- **Primary completion:** 2021-03-19
- **Final completion:** 2022-04-21
- **Target enrollment:** 1227 (ACTUAL)
- **Last updated:** 2022-05-19

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04378777

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04378777, "Immunophenotyping Assessment in a COVID-19 Cohort". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04378777. Licensed CC0.

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