Immunophenotyping Assessment in a COVID-19 Cohort

ClinicalTrials.gov ID: NCT04378777

Public ClinicalTrials.gov record NCT04378777. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

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ClinicalTrials.gov public records Last synced Jul 22, 2026, 12:00 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Prospective Cohort Study to Assess Longitudinal Immune Responses in Hospitalized Patients With COVID-19 (DAIT-COVID-19-002)

Study identification

NCT ID: NCT04378777
Recruitment status: Completed
Study type: Observational
Phase: Not listed
Lead sponsor: National Institute of Allergy and Infectious Diseases (NIAID); NIH
Enrollment: 1,227 participants

Conditions and interventions

Conditions

Interventions

Biological sample collection Procedure
Data Collection: Clinical Care Assessments Procedure

Procedure

Eligibility (public fields only)

Age range: 18 Years and older
Sex: All
Healthy volunteers: Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date: Apr 30, 2020
Primary completion: Mar 18, 2021
Completion: Apr 20, 2022
Last update posted: May 18, 2022

2020 – 2022

United States locations

U.S. sites: 17
U.S. states: 12
U.S. cities: 17

Facility	City	State	ZIP	Site status
University of Arizona (UA) College of Medicine - Tucson: UA Health Sciences Asthma and Airway Disease Research Center	Tucson	Arizona	85724	—
University of California, Los Angeles: Department of Medicine	Los Angeles	California	90024	—
University of California San Francisco School of Medicine	San Francisco	California	94115	—
Stanford Medicine: Sean N. Parker Center for Allergy & Asthma Research	Stanford	California	94305	—
Yale School of Medicine	New Haven	Connecticut	06520	—
University of Florida Health Gainesville	Gainesville	Florida	32608	—
University of Florida Health Jacksonville	Jacksonville	Florida	32209	—
University of South Florida Health Tampa	Tampa	Florida	33606	—
Emory University School of Medicine	Atlanta	Georgia	30317	—
Brigham and Women's Hospital	Boston	Massachusetts	02115	—
Icahn School of Medicine at Mount Sinai	New York	New York	10029	—
University Hospitals Case Medical Center	Cleveland	Ohio	44106	—
University of Oklahoma ,Oklahoma Health Sciences Center: Pulmonary/Critical Care, Department of Medicine	Oklahoma City	Oklahoma	73126	—
Oregon Health & Science University	Portland	Oregon	97239	—
Drexel University College of Medicine	Philadelphia	Pennsylvania	19102	—
University of Texas at Austin: UT Health Austin	Austin	Texas	78712	—
Baylor College of Medicine: Department of Medicine	Houston	Texas	77030	—

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows: Public field values for ClinicalTrials.gov record NCT04378777, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do: No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from: Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh: Last update posted May 18, 2022 · Synced Jul 22, 2026

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04378777 live on ClinicalTrials.gov.

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