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Showing 1–24 of 70 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Innate Immunity Clear all
Recruiting No phase listed Observational Accepts healthy volunteers

Send-In Sample Collection for Comprehensive Analyses of Innate and Adaptive Immune Responses During Acute COVID-19 and Convalescence

NCT04582903
View directory record Official record
Conditions
COVID-19 Infection
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Day to 99 Years
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2031
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 5, 2026, 12:27 PM EDT
Completed Not applicable Interventional

SAbR Induced Innate Immunity in Urothelial Carcinoma, Melanoma, and Cervical Carcinoma

NCT02986867
View directory record Official record
Conditions
Urothelial Carcinoma, Melanoma, Cervical Carcinoma in Situ
Interventions
SAbR Treatment of Lesions
Radiation
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 9, 2019 · Synced Sep 5, 2026, 12:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Systems Biology of Trivalent Influenza Vaccine (TIV) in Young and Elderly

NCT01232868
View directory record Official record
Conditions
Influenza
Interventions
trivalent Influenza vaccine (TIV)
Biological
Lead sponsor
Emory University
Other
Eligibility
25 Years and older
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 29, 2015 · Synced Sep 5, 2026, 12:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Sulforaphane (SFN) on Immune Response to Live Attenuated Influenza Virus in Smokers and Nonsmokers

NCT01269723
View directory record Official record
Conditions
Smoking
Interventions
Broccoli sprout homogenate, Alfalfa sprout homogenate
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 40 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 28, 2014 · Synced Sep 5, 2026, 12:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Walnut and Immunity Study

NCT05915390
View directory record Official record
Conditions
Immune Response, Upper Respiratory Tract Infection
Interventions
walnuts, Habitual diet
Dietary Supplement
Lead sponsor
Loma Linda University
Other
Eligibility
55 Years to 75 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Oct 1, 2024 · Synced Sep 5, 2026, 12:27 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Immune Cell Response to Stimuli

NCT00397280
View directory record Official record
Conditions
Inflammation
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 65 Years
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 5, 2026, 12:27 PM EDT
Completed No phase listed Observational

T Lymphocyte Cells in Individuals Experiencing an Acute Exacerbation of Chronic Obstructive Pulmonary Disease

NCT00281229
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Lung Diseases, Obstructive
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
21 Years and older
Enrollment
481 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2015
U.S. locations
2
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 16, 2019 · Synced Sep 5, 2026, 12:27 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Comparison of Alveolar Macrophages in Healthy Individuals Versus Individuals With COPD

NCT00281203
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Lung Diseases, Obstructive
Interventions
blood drawing, fiberoptic bronchoscopy
Procedure
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 80 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 15, 2013 · Synced Sep 5, 2026, 12:27 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Vaginal Innate Immunity in Normal and HIV-Infected Women

NCT01318304
View directory record Official record
Conditions
HIV, Pregnancy
Interventions
Vaginal lavage specimen
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 8, 2016 · Synced Sep 5, 2026, 12:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Oxalate and Innate Immunity in Kidney Stone Disease

NCT04051346
View directory record Official record
Conditions
Kidney Stone
Interventions
Low Oxalate Diet, High Oxalate Diet
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 60 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Sep 5, 2026, 12:27 PM EDT
Active, not recruiting Phase 1 Interventional

Early Phase Clinical Trial About Therapeutic Biological Product Mix for Treating CEA Positive Rectal Cancer

NCT02403505
View directory record Official record
Conditions
Rectal Cancer
Interventions
CEA protein antigen plus BCG Vaccine Mix for percutaneous use
Biological
Lead sponsor
Han Xu, M.D., Ph.D., FAPCR, Sponsor-Investigator, IRB Chair
Industry
Eligibility
24 Years to 64 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 5, 2026, 12:27 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Immunologic Function in the Elderly After Injury

NCT00447135
View directory record Official record
Conditions
Over the Age of 65, Admitted to the Trauma Service
Interventions
Not listed
Lead sponsor
Summa Health System
Other
Eligibility
66 Years and older
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Akron, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 29, 2008 · Synced Sep 5, 2026, 12:27 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

The Effect of Surfactants on the Bacterial Composition of the Layers of the Skin

NCT02057055
View directory record Official record
Conditions
Focus: Healthy Skin Microbiome
Interventions
Soap 300000027003, Soap 300000029240
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 35 Years · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 21, 2018 · Synced Sep 5, 2026, 12:27 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Longitudinal Innate Immunity and Aging Study

NCT03944603
View directory record Official record
Conditions
Healthy Older Adults Ages 60-89
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
60 Years to 89 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 1, 2024 · Synced Sep 5, 2026, 12:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluating the Safety and Immune Response of an Adenovirus-Based HIV Vaccine in HIV-Uninfected Adults

NCT01103687
View directory record Official record
Conditions
HIV Infections
Interventions
Ad26.ENVA.01 (rAd26), Placebo Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 7, 2017 · Synced Sep 5, 2026, 12:27 PM EDT
Recruiting Not applicable Interventional

The Role of Circadian Clock Proteins in Innate and Adaptive Immunity

NCT03482245
View directory record Official record
Conditions
Pneumonia, Necrotizing Soft Tissue Infection, Intraabdominal Infections, Infection Joint
Interventions
Blue Light
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Sep 5, 2026, 12:27 PM EDT
Not listed Phase 2 Interventional

Reducing Proviral HIV DNA With Interferon-a

NCT02227277
View directory record Official record
Conditions
HIV, HIV/AIDS
Interventions
Peg-IFN-α2b
Drug
Lead sponsor
The Wistar Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
3
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Sep 5, 2026, 12:27 PM EDT
Completed Phase 2 Interventional Results available

Antiviral Activity of Peg-IFN-Alpha-2A in Chronic HIV-1 Infection

NCT00594880
View directory record Official record
Conditions
HIV Infections
Interventions
Pegylated Interferon-alpha 2a, 180 mcg/week sc, Pegylated Interferon-alpha 2a, 90 mcg/week sc
Drug
Lead sponsor
The Wistar Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
5
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 9, 2015 · Synced Sep 5, 2026, 12:27 PM EDT
Completed No phase listed Observational

Mechanisms of Lung Allograft Rejection

NCT00340418
View directory record Official record
Conditions
Lung Transplant, Chronic Allograft Rejection
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
2
States / cities
Durham, North Carolina • Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 5, 2026, 12:27 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Use of a Live Attenuated Vaccine as an Immune-based Preventive Against COVID-19-associated Sepsis

NCT04475081
View directory record Official record
Conditions
Sepsis Syndrome
Interventions
MMR vaccine
Biological
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 25, 2024 · Synced Sep 5, 2026, 12:27 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Human Lung Responses to Respiratory Pathogens

NCT01967628
View directory record Official record
Conditions
Respiratory Infection
Interventions
Vitamin D3 (cholecalciferol), Placebo Sugar Pill
Dietary Supplement
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 60 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 28, 2018 · Synced Sep 5, 2026, 12:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of IFN-γ on Innate Immune Cells

NCT02609932
View directory record Official record
Conditions
Chronic Granulomatous Disease
Interventions
Administration of drug (Interferon-gamma 1-b) subcutaneously
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 14, 2019 · Synced Sep 5, 2026, 12:27 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

"Clinical Trial to Determine the Efficacy of Vitamin D for Acne Therapy"

NCT01694433
View directory record Official record
Conditions
Acne Vulgaris
Interventions
Calcipotriene, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 6, 2019 · Synced Sep 5, 2026, 12:27 PM EDT
Completed No phase listed Observational

Innate and Adaptive Immunity in Individuals Experiencing Chronic Obstructive Pulmonary Disease Exacerbations

NCT00281216
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Lung Diseases, Lung Diseases, Obstructive
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
40 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 28, 2016 · Synced Sep 5, 2026, 12:27 PM EDT