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ClinicalTrials.gov public records Last synced Nov 6, 2026, 6:46 PM EST

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Showing 1–24 of 59 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Convalescent Plasma Clear all
Terminated Phase 1Phase 2 Interventional Results available

Convalescent Plasma vs. Standard Plasma for COVID-19

NCT04344535
View directory record Official record
Conditions
COVID
Interventions
Convalescent Plasma, Standard Donor Plasma
Biological
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Dec 6, 2021 · Synced Nov 6, 2026, 6:46 PM EST
Completed Not applicable Interventional Results available

Rapid SARS-CoV-2 IgG Antibody Testing in High Risk Healthcare Workers

NCT04334876
View directory record Official record
Conditions
SARS-CoV-2
Interventions
SARS-CoV-2 IgG Antibody Testing Kit
Diagnostic Test
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
571 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 26, 2023 · Synced Nov 6, 2026, 6:46 PM EST
No Longer Available No phase listed Expanded access

Convalescent Plasma for the Treatment of Patients With COVID-19

NCT04372368
View directory record Official record
Conditions
COVID-19, SARS-CoV 2
Interventions
COVID-19 Convalescent Plasma
Biological
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
U.S. locations
6
States / cities
Aurora, Colorado • Colorado Springs, Colorado • Denver, Colorado + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2020 · Synced Nov 6, 2026, 6:46 PM EST
Withdrawn Phase 1 Interventional

Intermediate IND Severe Illness COVID-19 CP

NCT04411602
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome, COVID
Interventions
SARS-CoV-2 plasma
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Novi, Michigan • Southfield, Michigan • Warren, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 19, 2025 · Synced Nov 6, 2026, 6:46 PM EST
Completed Phase 2 Interventional Results available

Plasma Therapy of COVID-19 in Severely Ill Patients

NCT04359810
View directory record Official record
Conditions
SARS-CoV-2 Infection
Interventions
Convalescent Plasma (anti-SARS-CoV-2 plasma), Non-convalescent Plasma (control plasma)
Biological
Lead sponsor
Max O'Donnell
Other
Eligibility
18 Years and older
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Nov 6, 2026, 6:46 PM EST
Approved For Marketing No phase listed Expanded access

Expanded Access to Convalescent Plasma for the Treatment of Patients With COVID-19

NCT04338360
View directory record Official record
Conditions
COVID19
Interventions
COVID-19 convalescent plasma
Biological
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
U.S. locations
12
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Albert Lea, Minnesota + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2020 · Synced Nov 6, 2026, 6:46 PM EST
Not listed Phase 1 Interventional

Covid-19 Convalescent Plasma as Prevention and Treatment for Children With Underlying Medical Conditions

NCT04462848
View directory record Official record
Conditions
Corona Virus Infection
Interventions
anti-SARS-CoV-2 human convalescent plasma
Biological
Lead sponsor
University of California, Los Angeles
Other
Eligibility
1 Month to 17 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 8, 2020 · Synced Nov 6, 2026, 6:46 PM EST
Recruiting No phase listed Observational Accepts healthy volunteers

Collection of SARS CoV-2 (COVID-19) Virus Secretions and Serum for Countermeasure Development

NCT04956445
View directory record Official record
Conditions
Covid19
Interventions
Not listed
Lead sponsor
Tulane University
Other
Eligibility
6 Months to 120 Years
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
2
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Nov 6, 2026, 6:46 PM EST
Completed No phase listed Observational

COVID-19 Infection in Patients Receiving Anti-CD20 Therapy

NCT04884477
View directory record Official record
Conditions
COVID-19, Immunosuppressed Host, Convalescent Plasma, Anti-CD20 Therapy
Interventions
Convalescent Plasma
Biological
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
342 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 1, 2023 · Synced Nov 6, 2026, 6:46 PM EST
Terminated Phase 2 Interventional Results available

Convalescent Plasma as Treatment for Subjects With Early COVID-19 Infection

NCT04456413
View directory record Official record
Conditions
COVID-19
Interventions
Convalescent Plasma, Best Supportive Care
Biological · Other
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 10, 2023 · Synced Nov 6, 2026, 6:46 PM EST
Completed No phase listed Observational

Plasma Collection From Convalescent and/or Immunized Donors for the Treatment of COVID-19

NCT04360278
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years and older
Enrollment
258 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 21, 2024 · Synced Nov 6, 2026, 6:46 PM EST
Completed Phase 3 Interventional Results available

Passive Immunity Trial for Our Nation to Treat COVID-19 in Hospitalized Adults

NCT04362176
View directory record Official record
Conditions
COVID-19, Coronavirus, SARS-CoV-2
Interventions
pathogen reduced SARS-CoV-2 convalescent plasma, Placebo
Biological
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
974 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
26
States / cities
Little Rock, Arkansas • La Jolla, California • Aurora, Colorado + 22 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2022 · Synced Nov 6, 2026, 6:46 PM EST
Terminated Phase 2 Interventional Results available

Use of Convalescent Plasma for COVID-19

NCT04408040
View directory record Official record
Conditions
COVID
Interventions
Convalescent Plasma
Biological
Lead sponsor
Northside Hospital, Inc.
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 14, 2022 · Synced Nov 6, 2026, 6:46 PM EST
Withdrawn Phase 3 Interventional Accepts healthy volunteers

Phase 3 Open-Label Controlled Trial of Convalescent Plasma in Early COVID-19 Infection

NCT06084351
View directory record Official record
Conditions
Covid19
Interventions
Convalescent Plasma, Standard of Care
Drug · Other
Lead sponsor
Larkin Community Hospital
Other
Eligibility
40 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
South Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 16, 2023 · Synced Nov 6, 2026, 6:46 PM EST
Completed Phase 2 Interventional Accepts healthy volunteers

A Study of COVID 19 Convalescent Plasma in High Risk Patients With COVID 19 Infection

NCT04392232
View directory record Official record
Conditions
Coronavirus, COVID-19, Convalescent Plasma
Interventions
Convalescent Plasma
Drug
Lead sponsor
TriHealth Inc.
Other
Eligibility
16 Years and older
Enrollment
159 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 7, 2021 · Synced Nov 6, 2026, 6:46 PM EST
Completed Phase 2 Interventional

Evaluating the Efficacy of Convalescent Plasma in Symptomatic Outpatients Infected With COVID-19

NCT04438057
View directory record Official record
Conditions
COVID-19
Interventions
CCP
Biological
Lead sponsor
Metro Infectious Disease Consultants
Other
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Burr Ridge, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 6, 2022 · Synced Nov 6, 2026, 6:46 PM EST
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Convalescent Plasma to Stem Coronavirus (CSSC-001)

NCT04323800
View directory record Official record
Conditions
Coronavirus, Convalescence
Interventions
Anti- SARS-CoV-2 Plasma, SARS-CoV-2 non-immune Plasma
Biological
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
25
States / cities
Birmingham, Alabama • Whiteriver, Arizona • La Jolla, California + 21 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2022 · Synced Nov 6, 2026, 6:46 PM EST
No Longer Available No phase listed Expanded access

Experimental Expanded Access Treatment With Convalescent Plasma for the Treatment of Patients With COVID-19

NCT04445207
View directory record Official record
Conditions
COVID, Sars-CoV2, Corona Virus Infection
Interventions
Convalescent Plasma
Biological
Lead sponsor
Jonathan Gerber
Other
Eligibility
12 Years and older
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 25, 2023 · Synced Nov 6, 2026, 6:46 PM EST
Completed No phase listed Observational Accepts healthy volunteers

Collection of Plasma From People Who Recovered From or Were Vaccinated to Emerging Infectious Diseases

NCT02338986
View directory record Official record
Conditions
Communicable Diseases, Communicable Diseases, Emerging, Emerging Infectious Diseases, Infection
Interventions
Plasma
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 16, 2025 · Synced Nov 6, 2026, 6:46 PM EST
Recruiting Phase 2 Interventional

Convalescent Plasma as a Possible Treatment for COVID-19

NCT04442191
View directory record Official record
Conditions
COVID-19
Interventions
Convalescent plasma, Placebo
Biological
Lead sponsor
University of Illinois Chicago
Other
Eligibility
40 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 22, 2020 · Synced Nov 6, 2026, 6:46 PM EST
Completed Phase 3 Interventional Results available

Convalescent Plasma in Outpatients With COVID-19

NCT04355767
View directory record Official record
Conditions
Covid19
Interventions
Convalescent Plasma, Saline
Biological
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
511 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
53
States / cities
Chandler, Arizona • Phoenix, Arizona • La Jolla, California + 41 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2021 · Synced Nov 6, 2026, 6:46 PM EST
Terminated Phase 2Phase 3 Interventional Results available

Treatment of Severe Coronavirus Disease 2019 (COVID-19) With Convalescent Plasma

NCT04502472
View directory record Official record
Conditions
Covid-19
Interventions
Convalescent plasma transfusion
Biological
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years and older
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 10, 2022 · Synced Nov 6, 2026, 6:46 PM EST
Completed Phase 3 Interventional Results available

Convalescent Plasma Collection and Treatment in Pediatrics and Adults

NCT04376034
View directory record Official record
Conditions
COVID19, Coronavirus Infection, Coronavirus, Virus Diseases, RNA Virus Infections
Interventions
Convalescent Plasma
Biological
Lead sponsor
West Virginia University
Other
Eligibility
31 Days and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Nov 6, 2026, 6:46 PM EST
Completed Early Phase 1 Interventional

Convalescent Plasma in Pediatric COVID-19

NCT04458363
View directory record Official record
Conditions
COVID
Interventions
Convalescent Plasma (CP), Standard COVID-19 therapies
Biological · Drug
Lead sponsor
Emory University
Other
Eligibility
0 Years to 22 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 22, 2021 · Synced Nov 6, 2026, 6:46 PM EST