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ClinicalTrials.gov public records Last synced Oct 23, 2026, 9:44 AM EDT

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Showing 553–576 of 1,048 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Immunity Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Responses to Influenza Vaccine in Patients With Mitochondrial Disorders (MELAS)

NCT01831934
View directory record Official record
Conditions
MELAS Syndrome
Interventions
Fluzone®
Biological
Lead sponsor
Stanford University
Other
Eligibility
13 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Oct 23, 2026, 9:44 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of Alendronate on the Immune Response to Hepatitis B Vaccine in Healthy Adults

NCT02057263
View directory record Official record
Conditions
Hepatitis B
Interventions
Alendronate, Hepatitis B Vaccine, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
40 Years to 70 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 21, 2016 · Synced Oct 23, 2026, 9:44 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

NIAID Centralized Sequencing Protocol

NCT03206099
View directory record Official record
Conditions
Atopy, Primary Immunodeficiency, Autoimmunity, Autoinflammation
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Day to 100 Years
Enrollment
20,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2029
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 23, 2026 · Synced Oct 23, 2026, 9:44 AM EDT
Completed Not applicable Interventional

Determining The Impact Of Distance Reiki On Patient Reported QOL And Immunity Among Multiple Myeloma Patients

NCT04783038
View directory record Official record
Conditions
Multiple Myeloma, Autologous Stem Cell Transplant
Interventions
Distance Reiki, Sham distance Reiki
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 21, 2025 · Synced Oct 23, 2026, 9:44 AM EDT
Active, not recruiting No phase listed Observational

A Longitudinal Study of COVID-19 Sequelae and Immunity

NCT04411147
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 120 Years
Enrollment
583 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 23, 2026, 9:44 AM EDT
Completed Phase 1 Interventional Results available

Peanut Oral Immunotherapy in Children With Peanut Allergy (Peanut Flour)

NCT02203799
View directory record Official record
Conditions
Peanut Allergic Subjects
Interventions
Peanut Oral Immunotherapy (POIT)
Biological
Lead sponsor
Baylor College of Medicine
Other
Eligibility
5 Years to 16 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 19, 2024 · Synced Oct 23, 2026, 9:44 AM EDT
Recruiting Not applicable Interventional

Effects of Grape Consumption on the Immune-Gut Axis in Obesity

NCT07231484
View directory record Official record
Conditions
Obesity &Amp; Overweight
Interventions
Freeze-dried grape powder, Placebo powder
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 23, 2026, 9:44 AM EDT
Completed No phase listed Observational

Tuberculosis Immunity in Children

NCT00170638
View directory record Official record
Conditions
Tuberculosis
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Day and older
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 25, 2008 · Synced Oct 23, 2026, 9:44 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Hepatitis B Vaccine in Seniors

NCT04162223
View directory record Official record
Conditions
Hepatitis B Vaccination
Interventions
Subcutaneous fat injection of Recombivax-HB, Intramuscular injection of Recombivax-HB
Biological
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
65 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2003
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 14, 2019 · Synced Oct 23, 2026, 9:44 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

This Study is Assessing the Safety and Efficacy of Immune Inhibition as a Treatment to Prevent Primary Graft Dysfunction

NCT06853223
View directory record Official record
Conditions
Primary Graft Dysfunction, Lung Transplantation, Acute Lung Injury(ALI), Natural Killer Cell Mediated Immunity
Interventions
Maraviroc, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Oct 23, 2026, 9:44 AM EDT
Recruiting Phase 1Phase 2 Interventional

Medical Herbs Inhibit Inflammation Directing T Cells to Kill the COVID-19 Virus (COVID)

NCT04790240
View directory record Official record
Conditions
Covid19 Virus Infection
Interventions
Inflammation (I), Inflammation (II), Inflammation (III), Standard of care
Dietary Supplement · Drug
Lead sponsor
All Natural Medicine Clinic, LLC
Other
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 19, 2025 · Synced Oct 23, 2026, 9:44 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Double-blind Placebo Controlled Study to Evaluate the Effect of NAD+ Boosting With Nicotinamide Riboside on Immunometabolism and Immunity in Systemic Lupus Erythematosus

NCT06032923
View directory record Official record
Conditions
Systemic Lupus Erythematosus (Sle)
Interventions
Nicotinamide Riboside
Dietary Supplement
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 120 Years · Female only
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 23, 2026, 9:44 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Understanding Immunity to the Flu Vaccine in COVID-19 Patients

NCT04579588
View directory record Official record
Conditions
Corona Virus Infection, Flu Vaccine, Immunity
Interventions
Flu shot
Biological
Lead sponsor
Stanford University
Other
Eligibility
9 Years to 64 Years
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Oct 23, 2026, 9:44 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Immune Checkpoint Inhibition (Tremelimumab and/or MEDI4736) in Combination With Radiation Therapy in Patients With Unresectable Pancreatic Cancer

NCT02311361
View directory record Official record
Conditions
Pancreatic Neoplasms, Pancreatic Cancer, Cancer of Pancreas, Cancer of the Pancreas, Pancreas Cancer
Interventions
Durvalumab, Tremelimumab, Sterostatic body radiation therapy (SBRT)
Biological · Radiation
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 20, 2021 · Synced Oct 23, 2026, 9:44 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of and Immune Response to Two HIV Vaccine Formulations (rMVA-HIV and rFPV-HIV) Alone or in Combination in HIV Uninfected Adults

NCT00083603
View directory record Official record
Conditions
HIV Infections
Interventions
rMVA-HIV (rMVA-HIV env/gag + rMVA-HIV tat/rev/nef-RT), rFPV-HIV (rFPV-HIV env/gag + rFPV-HIV tat/rev/nef-RT), Empty TBC-FPV, TBC-MVA and TBC-FPV
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
4
States / cities
Birmingham, Alabama • St Louis, Missouri • Rochester, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2021 · Synced Oct 23, 2026, 9:44 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of and Immune Response to an Adenoviral HIV-1 Vaccine in Healthy Adults

NCT00618605
View directory record Official record
Conditions
HIV Infections
Interventions
Ad26.ENVA.01 HIV-1 vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 23, 2026, 9:44 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Safety, Tolerability and Host Response to Lactobacillus Johnsonii

NCT02349360
View directory record Official record
Conditions
Healthy
Interventions
L. johnsonii N6.2, Placebo
Biological
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 50 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 14, 2018 · Synced Oct 23, 2026, 9:44 AM EDT
Completed Not applicable Interventional

Healing Touch, Quality of Life, and Immunity During Breast Cancer Treatment

NCT00565305
View directory record Official record
Conditions
Breast Cancer
Interventions
Healing Touch, Standard Treatment
Behavioral · Radiation
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 95 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 15, 2017 · Synced Oct 23, 2026, 9:44 AM EDT
Completed No phase listed Observational Results available

Evaluating the Role of Immune Responses in the Emergence of Protease Inhibitor Mutations

NCT01517529
View directory record Official record
Conditions
Hepatitis C
Interventions
Not listed
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 20, 2015 · Synced Oct 23, 2026, 9:44 AM EDT
Completed Phase 2 Interventional Results available

Vaccine Therapy in Treating HLA-A2 Positive Patients With Melanoma

NCT00003895
View directory record Official record
Conditions
Recurrent Melanoma, Stage IA Melanoma, Stage IB Melanoma, Stage IIA Melanoma, Stage IIB Melanoma, Stage IIC Melanoma, Stage IIIA Melanoma, Stage IIIB Melanoma, Stage IIIC Melanoma
Interventions
HPV 16 E7:12-20, gp100:209-217(210M), laboratory biomarker analysis
Biological · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
17 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2013
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 20, 2017 · Synced Oct 23, 2026, 9:44 AM EDT
Completed Phase 1 Interventional

Safety and Immune Response of BMS-936559 in HIV-Infected People Taking Combination Antiretroviral Therapy

NCT02028403
View directory record Official record
Conditions
HIV Infections
Interventions
BMS-936559, Placebo for BMS-936559
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
5
States / cities
Aurora, Colorado • St Louis, Missouri • Chapel Hill, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2021 · Synced Oct 23, 2026, 9:44 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Chronic Cannabis Smoking, Oxidative Stress and the Pulmonary Innate Immune Response

NCT02480283
View directory record Official record
Conditions
Cannabis Smoking, Oxidative Stress
Interventions
Bronchoscopy, Chest X-ray, Venipuncture, Intravenous Catheter
Procedure · Radiation
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 10, 2024 · Synced Oct 23, 2026, 9:44 AM EDT
Completed No phase listed Observational

Evaluating the Response of the Immune System of People With Long COVID (Post SARS-CoV-2)

NCT05131594
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
Huntington Memorial Hospital
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated Oct 20, 2026 · Synced Oct 23, 2026, 9:44 AM EDT
Not yet recruiting Phase 4 Interventional Accepts healthy volunteers

How Healthy Adults Respond to the Nasal Flu Vaccine

NCT07726862
View directory record Official record
Conditions
Mucosal Immune Response to Influenza Vaccination
Interventions
FluMist (Live Attenuated Influenza Vaccine)
Biological
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2031
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 23, 2026, 9:44 AM EDT