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Completed No phase listed Observational

A Study of Immune Responses to the Virus That Causes COVID-19

ClinicalTrials.gov ID: NCT04431414

Public ClinicalTrials.gov record NCT04431414. 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.

ClinicalTrials.gov public records Last synced Jul 23, 2026, 4:59 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 Study of Acute Immune Responses to SARSCoV-2 Infection

Study identification

NCT ID
NCT04431414
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
COVID-19 Prevention Network
Network
Enrollment
953 participants

Conditions and interventions

Interventions

  • Sample collection Other

Other

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
Jul 19, 2020
Primary completion
Jun 1, 2022
Completion
Jun 1, 2022
Last update posted
Jul 25, 2022

2020 – 2022

United States locations

U.S. sites
15
U.S. states
13
U.S. cities
14
Facility City State ZIP Site status
Alabama CRS Birmingham Alabama 35294
Bridge HIV CRS San Francisco California 94143
University of Miami Infectious Disease Research Unit at Jackson Memorial Hospital CRS Miami Florida 33136
The Ponce de Leon Center CRS Atlanta Georgia 30308
The Hope Clinic of the Emory Vaccine Center CRS Decatur Georgia 30030
New Orleans Adolescent Trials Unit CRS New Orleans Louisiana 70112
Johns Hopkins University CRS Baltimore Maryland 21205
Brigham and Women's Hospital Vaccine CRS (BWH VCRS) Boston Massachusetts 02115
New Jersey Medical School Clinical Research Center CRS Newark New Jersey 07103
Columbia P&S CRS New York New York 10032
New York Blood Center CRS New York New York 10065
Chapel Hill CRS Chapel Hill North Carolina 27599
Case CRS Cleveland Ohio 44106
Penn Prevention CRS Philadelphia Pennsylvania 19104
Seattle Vaccine and Prevention CRS Seattle Washington 98109

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

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 37 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04431414, 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 Jul 25, 2022 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04431414 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →