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Showing 1–24 of 60 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: COVID-19 convalescent plasma Clear all
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 18, 2024 · Synced Sep 29, 2026, 7:30 PM EDT
No Longer Available No phase listed Expanded access

Investigational COVID-19 Convalescent Plasma Infusion for Severely or Life-threateningly Ill COVID-19 Patients

NCT04420988
View directory record Official record
Conditions
COVID-19, SARS-CoV 2, SARS-CoV Infection
Interventions
COVID-19 Convalescent Plasma
Biological
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
2
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 27, 2023 · Synced Sep 29, 2026, 7:30 PM EDT
Completed Early Phase 1 Interventional

COVID-19 Convalescent Plasma (CCP) Transfusion

NCT04412486
View directory record Official record
Conditions
COVID-19
Interventions
COVID Convalescent Plasma
Biological
Lead sponsor
Gailen D. Marshall Jr., MD PhD
Other
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Sep 29, 2026, 7:30 PM EDT
No Longer Available No phase listed Expanded access

Expanded Access to Convalescent Plasma to Treat and Prevent Pulmonary Complications Associated With COVID-19

NCT04358211
View directory record Official record
Conditions
COVID-19
Interventions
Biological: COVID-19 convalescent plasma
Biological
Lead sponsor
Nakhle Saba, MD
Other
Eligibility
18 Years and older
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 7, 2021 · Synced Sep 29, 2026, 7:30 PM EDT
Completed Phase 2 Interventional Results available

Convalescent Plasma for Patients With COVID-19

NCT04385199
View directory record Official record
Conditions
Coronavirus Infection, Coronavirus, COVID
Interventions
Convalescent plasma
Biological
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated May 1, 2022 · Synced Sep 29, 2026, 7:30 PM EDT
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 18, 2026 · Synced Sep 29, 2026, 7:30 PM EDT
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 20, 2024 · Synced Sep 29, 2026, 7:30 PM EDT
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 21, 2021 · Synced Sep 29, 2026, 7:30 PM EDT
Terminated Early Phase 1 Interventional

Convalescent Plasma in ICU Patients With COVID-19-induced Respiratory Failure

NCT04353206
View directory record Official record
Conditions
Covid-19, Sars-CoV2
Interventions
Multiple Doses of Anti-SARS-CoV-2 convalescent plasma
Biological
Lead sponsor
Noah Merin
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
2
States / cities
Los Angeles, California • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 7, 2021 · Synced Sep 29, 2026, 7:30 PM EDT
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 25, 2022 · Synced Sep 29, 2026, 7:30 PM EDT
Terminated Phase 3 Interventional Results available

VA CoronavirUs Research and Efficacy Studies-1

NCT04539275
View directory record Official record
Conditions
COVID-19
Interventions
Convalescent Plasma, Masked Saline Placebo
Drug · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
23
States / cities
Birmingham, Alabama • Phoenix, Arizona • Aurora, Colorado + 20 more
Source: ClinicalTrials.gov public record
Updated Sep 22, 2022 · Synced Sep 29, 2026, 7:30 PM EDT
Completed Phase 2 Interventional Results available

Convalescent Plasma to Limit SARS-CoV-2 Associated Complications

NCT04373460
View directory record Official record
Conditions
SARS-CoV 2
Interventions
SARS-CoV-2 convalescent plasma, Plasma from a volunteer donor
Biological
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
1,225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
29
States / cities
Birmingham, Alabama • Chinle, Arizona • Phoenix, Arizona + 24 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2023 · Synced Sep 29, 2026, 7:30 PM EDT
Completed Phase 2 Interventional Results available

Effects of COVID-19 Convalescent Plasma (CCP) on Coronavirus-associated Complications in Hospitalized Patients

NCT04421404
View directory record Official record
Conditions
COVID-19, Sars-CoV2
Interventions
COVID-19 Convalescent Plasma (CCP), Placebo
Biological
Lead sponsor
Priscilla Hsue, MD
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 6, 2022 · Synced Sep 29, 2026, 7:30 PM EDT
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 5, 2021 · Synced Sep 29, 2026, 7:30 PM EDT
Completed Phase 2 Interventional

Convalescent Plasma for the Treatment of COVID-19

NCT04389710
View directory record Official record
Conditions
COVID-19
Interventions
Convalescent Plasma
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 3, 2021 · Synced Sep 29, 2026, 7:30 PM EDT
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 2, 2022 · Synced Sep 29, 2026, 7:30 PM EDT
Completed Phase 2 Interventional Results available

Convalescent Plasma for Treatment of COVID-19 Patients With Pneumonia

NCT04374565
View directory record Official record
Conditions
Corona Virus Infection, SARS-CoV 2, SARS Pneumonia, Pneumonia
Interventions
High-Titer Anti-SARS-CoV-2 (COVID 19) Convalescent Plasma
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 31, 2022 · Synced Sep 29, 2026, 7:30 PM EDT
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 6, 2021 · Synced Sep 29, 2026, 7:30 PM EDT
Completed Phase 2 Interventional Results available

Convalescent Plasma in the Treatment of COVID 19

NCT04343261
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), COVID, Coronavirus
Interventions
Convalescent Plasma
Biological
Lead sponsor
Trinity Health Of New England
Other
Eligibility
18 Years to 90 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 23, 2020 · Synced Sep 29, 2026, 7:30 PM EDT
Terminated Phase 2 Interventional Results available

ANTIBODY-LEVEL BASED ANALYSIS OF COVID-19 CONVALESCENT SERUM (ABACCuS)

NCT04432272
View directory record Official record
Conditions
COVID-19, Severe Acute Respiratory Syndrome (SARS), Coronavirus Infections
Interventions
COVID-19 convalescent plasma
Biological
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Sep 29, 2026, 7:30 PM EDT
Completed Phase 2 Interventional Results available

Coronavirus Disease 2019 (COVID-19) Antibody Plasma Research Study in Hospitalized Patients

NCT04524507
View directory record Official record
Conditions
COVID-19
Interventions
High-titer Convalescent COVID-19 Plasma (CCP1), Standard-titer Convalescent COVID-19 plasma (CCP2)
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 2, 2021 · Synced Sep 29, 2026, 7:30 PM EDT
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 1, 2020 · Synced Sep 29, 2026, 7:30 PM EDT
Completed Phase 1 Interventional Results available

Human Convalescent Plasma for High Risk Children Exposed or Infected With SARS-CoV-2 (COVID-19)

NCT04377672
View directory record Official record
Conditions
SARS-CoV-2 Infection
Interventions
Anti-SARS-CoV-2 Human Convalescent Plasma
Biological
Lead sponsor
Johns Hopkins University
Other
Eligibility
1 Month to 18 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 26, 2024 · Synced Sep 29, 2026, 7:30 PM EDT
Completed Phase 2 Interventional Results available

Efficacy and Safety of Convalescent Plasma in Treating COVID-19 Hospitalized Patients

NCT04354831
View directory record Official record
Conditions
COVID-19
Interventions
anti-SARS-CoV-2 convalescent plasma
Biological
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 9, 2024 · Synced Sep 29, 2026, 7:30 PM EDT