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ClinicalTrials.gov public records Last synced Sep 13, 2026, 12:45 AM EDT

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Showing 25–41 of 17 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Serologic testing Clear all
Completed No phase listed Observational

Monitoring Serologic Response to Severe Acute Respiratory Syndrome-2 (SARS-COV-2)/COVID-19 in Children

NCT04838834
View directory record Official record
Conditions
COVID-19, SARS-CoV-2, Inflammatory Bowel Diseases
Interventions
Not listed
Lead sponsor
Connecticut Children's Medical Center
Other
Eligibility
2 Years to 27 Years
Enrollment
472 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 31, 2025 · Synced Sep 13, 2026, 12:45 AM EDT
Terminated Phase 4 Interventional Results available

Maintenance of ANCA Vasculitis Remission by Intermittent Rituximab Dosing

NCT02749292
View directory record Official record
Conditions
Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis
Interventions
Rituximab
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 82 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced Sep 13, 2026, 12:45 AM EDT
Active, not recruiting Not applicable Interventional

A Physiologic Analysis of Endoscopic Sleeve Gastroplasty (ESG)

NCT04820036
View directory record Official record
Conditions
Non-alcoholic Steatohepatitis (NASH), Endoscopic Sleeve Gastroplasty, Non-alcoholic Fatty Liver Disease (NAFLD), Endoscopic Ultrasound, Liver Function, Obesity, Liver Fibroses
Interventions
Insulin Resistance, Quality of Life Assessment, Liver Function Test, Radiologic features of NASH, Serologic features of NASH
Diagnostic Test · Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Sep 13, 2026, 12:45 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

ARMOR Study: COVID-19 Seroprevalence Among Healthcare Workers

NCT04367857
View directory record Official record
Conditions
Covid-19, Coronavirus Infection, Coronavirus
Interventions
COVID-19 Serology, Health Care Worker Survey
Other · Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Sep 13, 2026, 12:45 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Serologic Assay Validation, Proficiency Testing, Safety and Immunogenicity of Norovirus GI.1/GII.4 Bivalent Virus-Like Particle Vaccine

NCT02475278
View directory record Official record
Conditions
Norovirus, Healthy Participants
Interventions
NoV GI.1/GII.4 Bivalent VLP Vaccine
Biological
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 49 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Feb 21, 2018 · Synced Sep 13, 2026, 12:45 AM EDT
Not listed No phase listed Observational

HbA1c as an Early Serologic Marker for the Hemodynamic Progression of Stage A Heart Failure

NCT04450576
View directory record Official record
Conditions
Heart Failure, Diastolic
Interventions
Glycosylated hemoglobin
Diagnostic Test
Lead sponsor
Parkview Medical Center
Other
Eligibility
Not listed
Enrollment
200 participants
Timeline
2019 – 2020
U.S. locations
1
States / cities
Pueblo, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 15, 2020 · Synced Sep 13, 2026, 12:45 AM EDT
Not listed Phase 2 Interventional

Microbiota Transfer Therapy for Children and Adults With Both Pitt Hopkins Syndrome and Gastrointestinal Disorders

NCT06321796
View directory record Official record
Conditions
Pitt Hopkins Syndrome
Interventions
MTP-101P, Vancomycin, Magnesium Citrate, Antacid, Placebo MTP-101P, Placebo Vancomycin
Combination Product
Lead sponsor
Gut-Brain-Axis Therapeutics Inc.
Other
Eligibility
5 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 19, 2024 · Synced Sep 13, 2026, 12:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Behavioral Science Aspects of Rapid Test Acceptance

NCT01317784
View directory record Official record
Conditions
HIV, Hepatitis C, Hepatitis B, Syphilis
Interventions
Rapid tests for HIV, HCV, HBV, and syphilis, HIV/HCV, HIV/syphilis, HIV only
Device
Lead sponsor
California State University, Long Beach
Other
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated Jul 28, 2015 · Synced Sep 13, 2026, 12:45 AM EDT
Completed No phase listed Observational

An Observational Study to Assess the Prevalence and Outcomes of Primary Pulmonary Coccidioidomycosis in Persons Aged > / = 14 Years Presenting With Community Acquired Pneumonia (CAP) in Endemic Areas (SAnds-PPC)

NCT03908632
View directory record Official record
Conditions
Coccidioidomycosis, Pneumonia
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
14 Years to 99 Years
Enrollment
651 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
6
States / cities
Phoenix, Arizona • Tucson, Arizona • Bakersfield, California + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Sep 13, 2026, 12:45 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

A Registry Study of COVID-19 Serologic and Virologic Testing to Accelerate Recovery and Transition

NCT04573634
View directory record Official record
Conditions
Covid19, SARS-CoV Infection
Interventions
Not listed
Lead sponsor
Jill M Kolesar
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 13, 2022 · Synced Sep 13, 2026, 12:45 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Prevalence of COVID-19 Antibodies Kingman AZ

NCT04533360
View directory record Official record
Conditions
Covid19
Interventions
VITROS Anti-SARS-CoV-2 IgG test
Diagnostic Test
Lead sponsor
Kingman Regional Medical Center
Other
Eligibility
18 Years and older
Enrollment
566 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Kingman, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 30, 2022 · Synced Sep 13, 2026, 12:45 AM EDT
Recruiting No phase listed Observational

Parametric Response Mapping (PRM) for the Detection of Chronic Lung Injury in Hematopoietic Cell Transplant Recipients

NCT05866302
View directory record Official record
Conditions
Chronic Lung Disease, Hematopoietic Cell Transplantation, Graft Versus Host Disease
Interventions
Not listed
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
36 Months and older
Enrollment
375 participants
Timeline
2023 – 2028
U.S. locations
6
States / cities
Stanford, California • Atlanta, Georgia • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2025 · Synced Sep 13, 2026, 12:45 AM EDT
Completed No phase listed Observational

SARS-CoV-2 IgG and IgM Serologic Assays

NCT04562246
View directory record Official record
Conditions
Covid19
Interventions
Serologic assays for antibodies to SARS-CoV-2
Diagnostic Test
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Sep 13, 2026, 12:45 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

COvid-19 LongitUdinal Multiethnic BioImaging Assessment of CARDiovascular Sequelae Registry

NCT04661657
View directory record Official record
Conditions
Covid19, Cardiac Disease, Cardiac Arrhythmia, Myocarditis, Left Ventricular Dysfunction
Interventions
Transthoracic echocardiogram (TTE), Cardiovascular Magnetic Resonance (CMR) Imaging
Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 5, 2022 · Synced Sep 13, 2026, 12:45 AM EDT
Completed Phase 1 Interventional

Pilot Study of the Safety and Efficacy of Anakinra in Pulmonary Arterial Hypertension

NCT03057028
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Anakinra
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 4, 2019 · Synced Sep 13, 2026, 12:45 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Community Research Partnership

NCT04342884
View directory record Official record
Conditions
Coronavirus, COVID
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
Not listed
Enrollment
61,410 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
11
States / cities
New Orleans, Louisiana • Baltimore, Maryland • Columbia, Maryland + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2023 · Synced Sep 13, 2026, 12:45 AM 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 13, 2026, 12:45 AM EDT