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Showing 1–24 of 63 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Convalescent plasma Clear all
Completed Early Phase 1 Interventional

CoVID-19 Plasma in Treatment of COVID-19 Patients

NCT04355897
View directory record Official record
Conditions
COVID 19
Interventions
Convalescent COVID 19 Plasma
Biological
Lead sponsor
The Christ Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
2
States / cities
Cincinnati, Ohio • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 4, 2024 · Synced Sep 4, 2026, 8:47 PM EDT
Completed Phase 1 Interventional Results available

COVID-19 Convalescent Plasma for Mechanically Ventilated Population

NCT04388527
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
32 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 3, 2022 · Synced Sep 4, 2026, 8:47 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Withdrawn Phase 1 Interventional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 4, 2026, 8:47 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 4, 2026, 8:47 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 4, 2026, 8:47 PM EDT
Completed Phase 2 Interventional Results available

CONTAIN COVID-19: Convalescent Plasma to Limit COVID-19 Complications in Hospitalized Patients

NCT04364737
View directory record Official record
Conditions
COVID-19, Coronavirus, Coronavirus Infection
Interventions
Convalescent Plasma, Saline solution
Biological · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
941 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
9
States / cities
New Haven, Connecticut • Miami, Florida • New York, New York + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2023 · Synced Sep 4, 2026, 8:47 PM EDT
Terminated Phase 2 Interventional Results available

Convalescent Plasma in the Early Treatment of High-Risk Patients With SARS-CoV-2 (COVID-19) Infection

NCT04513158
View directory record Official record
Conditions
Covid19
Interventions
Convalescent Plasma
Biological
Lead sponsor
Joseph M. Flynn, D.O., MPH
Other
Eligibility
18 Years to 99 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
4
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 23, 2024 · Synced Sep 4, 2026, 8:47 PM EDT
No Longer Available No phase listed Expanded access

Treatment Of CORONAVIRUS DISEASE 2019 (COVID-19) With Anti-Sars-CoV-2 Convalescent Plasma (ASCoV2CP)

NCT04360486
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2
Interventions
Anti-Sars-CoV-2 Convalescent Plasma
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
Not listed
U.S. locations
26
States / cities
Oceanside, California • San Diego, California • Fort Carson, Colorado + 15 more
Source: ClinicalTrials.gov public record
Updated May 5, 2023 · Synced Sep 4, 2026, 8:47 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 4, 2026, 8:47 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 4, 2026, 8:47 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 4, 2026, 8:47 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 4, 2026, 8:47 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Collection of Anti-SARS-CoV-2 Immune Plasma

NCT04344977
View directory record Official record
Conditions
Coronavirus Disease 2019 (COVID-19)
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
3
States / cities
Torrance, California • Miami, Florida • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 4, 2021 · Synced Sep 4, 2026, 8:47 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 4, 2026, 8:47 PM EDT
Completed Phase 1 Interventional

Convalescent Plasma for the Treatment of COVID-19 (Coronavirus Disease 2019)

NCT04554992
View directory record Official record
Conditions
Covid19
Interventions
COVID 19 Convalescent Plasma
Biological
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 4, 2026, 8:47 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 4, 2026, 8:47 PM EDT
Completed No phase listed Observational

An Observational Cohort Trial of Outcomes and Antibody Responses Following Treatment With COVID19 Convalescent Plasma in Hospitalized COVID-19 Patients

NCT04471051
View directory record Official record
Conditions
Covid19
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
6
States / cities
Aurora, Colorado • Colorado Springs, Colorado • Denver, Colorado + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2021 · Synced Sep 4, 2026, 8:47 PM EDT
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 15, 2025 · Synced Sep 4, 2026, 8:47 PM EDT
Completed Phase 2 Interventional Results available

Study of Efficacy and Safety of MAS825 in Patients With COVID-19

NCT04382651
View directory record Official record
Conditions
COVID-19 Pneumonia, Impaired Respiratory Function
Interventions
MAS825, Placebo, Standard of Care (SoC)
Drug · Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
21
States / cities
Chula Vista, California • Glendale, California • Irvine, California + 17 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2022 · Synced Sep 4, 2026, 8:47 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 4, 2026, 8:47 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 4, 2026, 8:47 PM EDT
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 18, 2021 · Synced Sep 4, 2026, 8:47 PM EDT
Completed Phase 2 Interventional Results available

Treatment With Investigational Convalescent Plasma and Measure Antibody Levels in Patients Hospitalized With COVID-19

NCT04434131
View directory record Official record
Conditions
COVID-19
Interventions
Convalescent Plasma
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Mar 7, 2023 · Synced Sep 4, 2026, 8:47 PM EDT