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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Convalescent Plasma Clear all
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 Jul 23, 2026, 12:23 AM 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Withdrawn Phase 1 Interventional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 Jul 23, 2026, 12:23 AM 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 Jul 23, 2026, 12:23 AM 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 Jul 23, 2026, 12:23 AM EDT
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 28, 2026 · Synced Jul 23, 2026, 12:23 AM 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 Jul 23, 2026, 12:23 AM EDT
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 Jul 23, 2026, 12:23 AM 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 Jul 23, 2026, 12:23 AM EDT
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 27, 2020 · Synced Jul 23, 2026, 12:23 AM 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 Jul 23, 2026, 12:23 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Analysis of Coronavirus Disease 19 (COVID-19) Convalescent Plasma

NCT04497779
View directory record Official record
Conditions
Asymptomatic COVID-19 Infection Laboratory-Confirmed, Symptomatic COVID-19 Infection Laboratory-Confirmed
Interventions
Biospecimen Collection, Diagnostic Laboratory Biomarker Analysis, Electronic Health Record Review, Questionnaire Administration
Procedure · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Jul 23, 2026, 12:23 AM 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 Jul 23, 2026, 12:23 AM EDT
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 7, 2020 · Synced Jul 23, 2026, 12:23 AM EDT
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 Jul 23, 2026, 12:23 AM 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 Jul 23, 2026, 12:23 AM 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 Jul 23, 2026, 12:23 AM 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 Jul 23, 2026, 12:23 AM EDT
Terminated Phase 1 Interventional

A Prospective, Open Label, Phase 1 Safety Study of Passive Immune Therapy During Acute Ebola Virus Disease Using Transfusion of INTERCEPT Plasma Prepared From Volunteer Donors Who Have Recovered From Ebola Virus Disease

NCT02295501
View directory record Official record
Conditions
Acute Ebola Virus Disease
Interventions
INTERCEPT Plasma
Biological
Lead sponsor
Cerus Corporation
Industry
Eligibility
Not listed
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
2
States / cities
Atlanta, Georgia • Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Mar 28, 2021 · Synced Jul 23, 2026, 12:23 AM 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 Jul 23, 2026, 12:23 AM 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 Jul 23, 2026, 12:23 AM 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 Jul 23, 2026, 12:23 AM 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 Jul 23, 2026, 12:23 AM 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 Jul 23, 2026, 12:23 AM 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 Jul 23, 2026, 12:23 AM EDT