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ClinicalTrials.gov public records Last synced Sep 12, 2026, 1:29 PM EDT

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Showing 1–24 of 59 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: 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 12, 2026, 1:29 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 12, 2026, 1:29 PM EDT
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 13, 2022 · Synced Sep 12, 2026, 1:29 PM EDT
Terminated Phase 2 Interventional Results available

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

NCT04343755
View directory record Official record
Conditions
COVID-19
Interventions
Convalescent Plasma
Biological
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 17, 2023 · Synced Sep 12, 2026, 1:29 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 12, 2026, 1:29 PM EDT
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 Feb 28, 2023 · Synced Sep 12, 2026, 1:29 PM EDT
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 5, 2022 · Synced Sep 12, 2026, 1:29 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 12, 2026, 1:29 PM EDT
Completed Phase 1 Interventional Results available

COVID-19 Convalescent Plasma for the Treatment of Hospitalized Patients With Pneumonia Caused by SARS-CoV-2.

NCT04397757
View directory record Official record
Conditions
COVID-19
Interventions
COVID-19 Convalescent Plasma
Biological
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 18, 2022 · Synced Sep 12, 2026, 1:29 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 12, 2026, 1:29 PM EDT
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 25, 2023 · Synced Sep 12, 2026, 1:29 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 12, 2026, 1:29 PM EDT
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 18, 2025 · Synced Sep 12, 2026, 1:29 PM EDT
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 15, 2023 · Synced Sep 12, 2026, 1:29 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 12, 2026, 1:29 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 12, 2026, 1:29 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 12, 2026, 1:29 PM EDT
Recruiting Phase 3 Interventional

Randomized, Embedded, Multifactorial Adaptive Platform Trial for Community- Acquired Pneumonia

NCT02735707
View directory record Official record
Conditions
Community-acquired Pneumonia, Influenza, COVID-19
Interventions
Ceftriaxone, Moxifloxacin or Levofloxacin, Piperacillin-tazobactam, Ceftaroline, Amoxicillin-clavulanate, Standard course macrolide, Extended course macrolide, No systemic corticosteroid, Fixed-duration Hydrocortisone, Shock-dependent hydrocortisone, Fixed-duration higher dose Hydrocortisone, No antiviral agent for influenza, Five-days oseltamivir, Ten-days oseltamivir, No antiviral agent for COVID-19, Lopinavir / Ritonavir, Hydroxychloroquine, Hydroxychloroquine + lopinavir/ritonavir, Ivermectin, No immune modulation for COVID-19, Interferon beta-1a, Anakinra, Tocilizumab, Sarilumab, Local standard venous thromboprophylaxis, Therapeutic dose anticoagulation, Conventional low dose thromboprophylaxis, Intermediate dose thromboprophylaxis, Continuation of therapeutic dose anticoagulation, No immunoglobulin, Convalescent plasma, Delayed administration of convalescent plasma, No vitamin C, Vitamin C, No antiplatelet, Aspirin, P2Y12 inhibitor, No simvastatin, Simvastatin, Eritoran, Apremilast, Clinician-preferred mechanical ventilation strategy, Protocolised mechanical ventilation strategy, No renin-angiotensin system inhibitor, Angiotensin converting enzyme inhibitor, Angiotensin Receptor Blockers, ARB + DMX-200, No cysteamine, Cysteamine, Fixed-duration dexamethasone, Baloxavir Marboxil, Five-days oseltamivir + baloxavir marboxil, Ten-days oseltamivir + baloxavir marboxil, No endothelial modulator, Imatinib, No Immune Modulator for Influenza, Baricitinib, Nirmatrelvir/ritonavir, Remdesivir, Nirmatrelvir/ritonavir + remdesivir
Drug · Other · Biological + 1 more
Lead sponsor
UMC Utrecht
Other
Eligibility
18 Years and older
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2028
U.S. locations
11
States / cities
Jacksonville, Florida • Augusta, Georgia • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Sep 12, 2026, 1:29 PM EDT
Completed No phase listed Observational Results available

Observational Study of Convalescent Plasma for Treatment of Veterans With COVID-19

NCT04545047
View directory record Official record
Conditions
Coronavirus Disease 2019 (COVID-19)
Interventions
COVID-19 convalescent plasma
Biological
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years to 80 Years
Enrollment
5,044 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Boston, Massachusetts • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 3, 2024 · Synced Sep 12, 2026, 1:29 PM EDT
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 9, 2022 · Synced Sep 12, 2026, 1:29 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 12, 2026, 1:29 PM EDT
Terminated Phase 3 Interventional Results available

CONvalescent Plasma for Hospitalized Adults With COVID-19 Respiratory Illness (CONCOR-1)

NCT04348656
View directory record Official record
Conditions
COVID-19
Interventions
Convalescent plasma
Biological
Lead sponsor
Hamilton Health Sciences Corporation
Other
Eligibility
16 Years and older
Enrollment
940 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Brooklyn, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Sep 12, 2026, 1:29 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 12, 2026, 1:29 PM EDT