COVID-19 Recovered Volunteer Research Participant Pool Registry

December 22, 2025 updated by: University of California, Los Angeles
This is a prospective observational registry of COVID-19 recovered patients who are no longer symptomatic. This Registry is intended to serve as a pool of individuals that can participate in studies associated with serological testing, characterization of immunity and immune response, vaccine development, and convalescent plasma donors.

Study Overview

Status

Active, not recruiting

Conditions

Study Type

Observational

Enrollment (Actual)

5090

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • California
      • Los Angeles, California, United States, 90095
        • Ronald Reagan UCLA Medical Center

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

People volunteering to share their information to become part of this research pool of COVID-19 recovered individuals will complete an online survey.

Description

Inclusion Criteria:

  • All patients seen the in emergency room, admitted patients, or seen in outpatient clinics that are:

    • Tested Positive for COVID-19 and recovered
    • Suspected to have COVID 19 and validated with serological testing
    • Suspected to have COVID 19 by symptoms, clinical course, and laboratory testing ruling out other respiratory viral disease

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Serological testing of COVID patients
Time Frame: Up to 20 years
Testing may be done on registry participants who agree to participate future studies
Up to 20 years
Immune response
Time Frame: Up to 20 years
Testing may be done on registry participants who agree to participate future studies
Up to 20 years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University of California, Los Angeles

Investigators

  • Principal Investigator: Arash Naeim, MD, PhD, University of California, Los Angeles

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

April 8, 2020

Primary Completion (Actual)

September 29, 2021

Study Completion (Estimated)

April 20, 2042

Study Registration Dates

First Submitted

April 21, 2020

First Submitted That Met QC Criteria

April 22, 2020

First Posted (Actual)

April 24, 2020

Study Record Updates

Last Update Posted (Estimated)

December 23, 2025

Last Update Submitted That Met QC Criteria

December 22, 2025

Last Verified

December 1, 2025

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 20-000625

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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