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ClinicalTrials.gov public records Last synced Oct 23, 2026, 7:27 PM EDT

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Showing 625–648 of 1,048 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Immunity Clear all
Completed No phase listed Observational Accepts healthy volunteers

Understanding Immunity to SARS-CoV-2, the Coronavirus Causing COVID-19

NCT04373148
View directory record Official record
Conditions
Coronavirus
Interventions
There is no intervention
Other
Lead sponsor
Stanford University
Other
Eligibility
2 Years and older
Enrollment
316 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
2
States / cities
Pleasanton, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 15, 2022 · Synced Oct 23, 2026, 7:27 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Durability of Vaccine Responses

NCT05801978
View directory record Official record
Conditions
Vaccine Response
Interventions
Live Attenuated Yellow Fever 17D Vaccine, Quadrivalent seasonal influenza vaccine
Biological
Lead sponsor
Emory University
Other
Eligibility
18 Years to 50 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
3
States / cities
Atlanta, Georgia • Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 23, 2026, 7:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluating the Safety and Immune Response to an H5N1 Influenza Vaccine in People Who Have Previously Received an H5N1 or H7N3 Influenza Vaccine and in People Who Have Never Received a Live Attenuated Influenza Vaccine

NCT01443663
View directory record Official record
Conditions
H5N1 Influenza
Interventions
H5N1 Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
22 Years to 54 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 9, 2016 · Synced Oct 23, 2026, 7:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Expanded Characterization of Immune Response to Merck Adenovirus 5 Gag/Pol/Nef Vaccine Given to HIV Uninfected Adults

NCT00486408
View directory record Official record
Conditions
HIV Infections
Interventions
MRKAd5 HIV-1 gag/pol/nef
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
4
States / cities
Birmingham, Alabama • Rochester, New York • Nashville, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2021 · Synced Oct 23, 2026, 7:27 PM EDT
Completed No phase listed Observational

Observational Study for Subjects With Pompe Disease Undergoing Immune Modulation Therapies

NCT01451879
View directory record Official record
Conditions
Pompe Disease
Interventions
Rituximab, Miglustat
Drug
Lead sponsor
University of Florida
Other
Eligibility
Up to 65 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 8, 2017 · Synced Oct 23, 2026, 7:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Almonds: Digestive Health and Immune Function of Adults and Children

NCT01973595
View directory record Official record
Conditions
Healthy
Interventions
Almonds, Then no almonds, No Almonds, Then almonds
Dietary Supplement · Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 40 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 26, 2016 · Synced Oct 23, 2026, 7:27 PM EDT
Completed Phase 1 Interventional

Safety Study of Avian Flu Vaccine

NCT00408109
View directory record Official record
Conditions
Influenza A Virus, H5N1 Subtype, Influenza A Virus, Influenzavirus A, Orthomyxoviridae, H5N1 Virus
Interventions
VRC-AVIDNA036-00-VP
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 23, 2026, 7:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of BPL-1357, A BPL-Inactivated, Whole-Virus, Universal Influenza Vaccine

NCT05027932
View directory record Official record
Conditions
Influenza
Interventions
IN Placebo, IM Placebo, BPL-1357
Other · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 55 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 8, 2025 · Synced Oct 23, 2026, 7:27 PM EDT
Completed No phase listed Observational

A Study to Monitor Patients With Primary or Early HIV Infection

NCT00000911
View directory record Official record
Conditions
HIV Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2007
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 22, 2015 · Synced Oct 23, 2026, 7:27 PM EDT
Not listed No phase listed Observational

Immunity After COVID-19 Vaccination

NCT04883164
View directory record Official record
Conditions
Immunity to COVID-19
Interventions
Cellular and antibody response to spike antigens of SARS-CoV-2 in both groups in peripheral blood samples
Other
Lead sponsor
Plexision
Industry
Eligibility
18 Years to 100 Years
Enrollment
300 participants
Timeline
2021 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 12, 2021 · Synced Oct 23, 2026, 7:27 PM EDT
Completed Phase 1 Interventional

Safety and Immunogenicity of an HIV Vaccine in Normal Adult Volunteers

NCT00083330
View directory record Official record
Conditions
Healthy, HIV Infections
Interventions
VRC-HIVADV014-00-VP
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 44 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 23, 2026, 7:27 PM EDT
Completed Phase 4 Interventional

Intermittent Versus Continuous Medication in the Treatment of HIV

NCT00001967
View directory record Official record
Conditions
HIV Infection
Interventions
HAART
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 23, 2026, 7:27 PM EDT
Recruiting Not applicable Interventional

Respiratory Muscle Training to Improve Cerebrovascular and Immune Function

NCT07406295
View directory record Official record
Conditions
Obesity, Cerebrovascular Function, Immune Cells Activity
Interventions
High intensity inspiratory muscle strength training, Low intensity
Device
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 23, 2026, 7:27 PM EDT
Completed Not applicable Interventional

An Open, Multicenter Study of Foscarnet Treatment of Acyclovir-Resistant Herpes Simplex Virus in Patients With the Acquired Immunodeficiency Syndrome and Other Immunodeficiencies

NCT00002272
View directory record Official record
Conditions
Herpes Simplex, HIV Infections
Interventions
Foscarnet sodium
Drug
Lead sponsor
Astra USA
Industry
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 23, 2026, 7:27 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Ivermectin and Human Immunity

NCT03459794
View directory record Official record
Conditions
Ivermectin
Interventions
Ivermectin, Placebo
Drug · Other
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 12, 2019 · Synced Oct 23, 2026, 7:27 PM EDT
Completed No phase listed Observational

Effects of Bortezomib-Based Therapy on Cellular Immunity and Response to DC/Myeloma Fusion Vaccines in Vitro

NCT01472627
View directory record Official record
Conditions
Multiple Myeloma
Interventions
Blood draws
Procedure
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2018
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 11, 2018 · Synced Oct 23, 2026, 7:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of Short-term Atorvastatin Treatment on Immune Responses to Pneumovax 23

NCT02097589
View directory record Official record
Conditions
Healthy Controls
Interventions
Atorvastatin, Pneumovax 23, Placebo (lactose pill)
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 40 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 28, 2015 · Synced Oct 23, 2026, 7:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Inflammatory and Immune Response After High Intensity Exercise

NCT05277727
View directory record Official record
Conditions
Inflammatory Response
Interventions
Fucoidan 500mg, Placebo
Dietary Supplement
Lead sponsor
Marinova Pty Ltd
Industry
Eligibility
18 Years to 40 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 12, 2022 · Synced Oct 23, 2026, 7:27 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Exposure in Epigenetic Regulation of Immune Response in Chronic Beryllium Disease (CBD)

NCT02604693
View directory record Official record
Conditions
Chronic Beryllium Disease
Interventions
Nothing
Other
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years to 80 Years
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 29, 2021 · Synced Oct 23, 2026, 7:27 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Evaluation of Patients With HAM/TSP

NCT00001778
View directory record Official record
Conditions
HTLV-I Infection, Tropical Spastic Paraparesis
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 120 Years
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1998
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 23, 2026, 7:27 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Immune Responses to Gluten

NCT05209568
View directory record Official record
Conditions
Celiac Disease, Malabsorption Syndromes, Digestive System Disease, Intestinal Disease, Gastrointestinal Diseases, Gluten Sensitivity, Celiac Disease in Children
Interventions
Gluten Powder
Dietary Supplement
Lead sponsor
Boston Children's Hospital
Other
Eligibility
2 Years to 101 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2029
U.S. locations
2
States / cities
Aurora, Colorado • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 23, 2026, 7:27 PM EDT
Completed Phase 2 Interventional

Effects of Hormone Therapy on the Immune Systems of Postmenopausal Women With Chronic Infections

NCT00001890
View directory record Official record
Conditions
Atherosclerosis, Chlamydia Infections, Cytomegalovirus Infections, Pneumonia, Bacterial, Postmenopause
Interventions
Estrogen therapy
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 23, 2026, 7:27 PM EDT
Completed Not applicable Interventional Results available

Effect of Colostrum on Mucosal Immunity in Very Low Birth Weight (VLBWs) Premature Infants

NCT01776268
View directory record Official record
Conditions
Prematurity
Interventions
Oral priming
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
Up to 1 Year
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 7, 2017 · Synced Oct 23, 2026, 7:27 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Exploration of Immunity in Gaucher Disease

NCT01358188
View directory record Official record
Conditions
Gaucher Disease
Interventions
Not listed
Lead sponsor
O & O Alpan LLC
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Oct 23, 2026, 7:27 PM EDT