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Completed Phase 3 Interventional Results available

Convalescent Plasma in Outpatients With COVID-19

ClinicalTrials.gov ID: NCT04355767

Public ClinicalTrials.gov record NCT04355767. 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 Oct 28, 2026, 1:54 AM EDT

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

Official title

Clinical-trial of COVID-19 Convalescent Plasma in Outpatients

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The overarching goal of this project is to confirm or refute the role of passive immunization as a safe and efficacious therapy in preventing the progression from mild to severe/critical COVID-19 illness and to understand the immunologic kinetics of anti-SARS-CoV-2 antibodies after passive immunization.The primary objective is to determine the efficacy and safety of a single dose of convalescent plasma (CP) for preventing the progression from mild to severe COVID-19 illness. The secondary objective is to characterize the immunologic response to CP administration. This study will enroll adults presenting to the emergency department (ED) with mild, symptomatic, laboratory-confirmed COVID-19 illness, who are at high risk for progression to severe/critical illness, but who are clinically stable for outpatient management at randomization.

Study identification

NCT ID
NCT04355767
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Stanford University
Other
Enrollment
511 participants

Conditions and interventions

Conditions

Interventions

Biological

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
Aug 11, 2020 (Actual)
Primary completion
Mar 29, 2021 (Actual)
Completion
Mar 29, 2021 (Actual)
Last update posted
Oct 19, 2021

2020 – 2021

United States locations

U.S. sites
53
U.S. states
23
U.S. cities
44
Facility City State ZIP Site status
Chandler Regional Medical Center Chandler Arizona 85224 —
Valleywise Health Medical Center Phoenix Arizona 85008 —
UCSD Health La Jolla La Jolla California 92037 —
Loma Linda University Medical Center Loma Linda California 92354 —
Ronald Reagan UCLA Medical Center Los Angeles California 90095 —
Cedars-Sinai Medical Center Los Angeles California 90211 —
UC Davis Medical Center Sacramento California 95817 —
Stanford University Stanford California 94305 —
Harbor-UCLA Medical Center Torrance California 90502 —
University of Colorado Hospital Aurora Colorado 80045 —
UF Health Shands Hospital Gainesville Florida 32608 —
Jackson Memorial Hospital Miami Florida 33136 —
Grady Memorial Hospital Atlanta Georgia 30303 —
Rush University Medical Center Chicago Illinois 60612 —
University of Illinois Hospital Chicago Illinois 60612 —
University of Chicago Medical Center Chicago Illinois 60637 —
University of Iowa Hospitals & Clinics Iowa City Iowa 52242 —
University of Louisville Hospital Louisville Kentucky 40202 —
Maine Medical Center Portland Maine 04102 —
Tufts Medical Center Boston Massachusetts 02111 —
Beth Israel Deaconess Medical Center Boston Massachusetts 02215 —
Newton-Wellesley Hospital Newton Massachusetts 02462 —
Baystate Medical Center Springfield Massachusetts 01199 —
University of Michigan University Hospital Ann Arbor Michigan 48109 —
Detroit Receiving Hospital Detroit Michigan 48201 —
Harper University Hospital Detroit Michigan 48201 —
Henry Ford Hospital Detroit Michigan 48202 —
Sinai-Grace Hospital Detroit Michigan 48235 —
Spectrum Health Hospitals Butterworth Hospital Grand Rapids Michigan 49503 —
William Beaumont Hospital Royal Oak Michigan 48073 —
William Beaumont Hospital-Troy Troy Michigan 48085 —
HealthPartners Methodist Hospital Saint Louis Park Minnesota 55426 —
Regions Hospital Saint Paul Minnesota 55101 —
Barnes Jewish Hospital St Louis Missouri 63110 —
Cooper University Hospital Camden New Jersey 08103 —
Robert Wood Johnson University Hospital New Brunswick New Jersey 08901 —
University of New Mexico Hospital Albuquerque New Mexico 87106 —
SUNY Downstate Medical Center Brooklyn New York 11203 —
Duke University Hospital Durham North Carolina 27710 —
Wake Forest Baptist Medical Center Winston-Salem North Carolina 27103 —
University of Cincinnati Medical Center Cincinnati Ohio 45219 —
OSU Wexner Medical Center Columbus Ohio 43210 —
Mercy St. Vincent Medical Center Toledo Ohio 43608 —
Oregon Health & Science University Hospital Portland Oregon 97239 —
Geisinger Medical Center Danville Pennsylvania 17822 —
Temple University Hospital Philadelphia Pennsylvania 19140 —
Einstein Medical Center Philadelphia Pennsylvania 19141 —
UPMC Presbyterian Hospital Pittsburgh Pennsylvania 15213 —
William P. Clements Jr. University Hospital Dallas Texas 75235 —
Ben Taub General Hospital Houston Texas 77030 —
Memorial Hermann Texas Medical Center Houston Texas 77030 —
University of Utah Healthcare Salt Lake City Utah 84132 —
Froedtert Hospital Milwaukee Wisconsin 53226 —

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 NCT04355767, 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 Oct 19, 2021 · Synced Oct 28, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04355767 live on ClinicalTrials.gov.

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