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ClinicalTrials.gov public records Last synced Oct 25, 2026, 10:05 AM EDT

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Showing 961–984 of 1,048 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Immunity Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of and Immune Response to a Malaria Vaccine (MSP1 42-C1) With or Without CPG 7909 Adjuvant

NCT00320658
View directory record Official record
Conditions
Malaria
Interventions
MSP1 42-C1/Alhydrogel, CPG 7909
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
2006 – 2007
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 21, 2008 · Synced Oct 25, 2026, 10:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Safety, Pharmacokinetics, and Pharmacodynamics of CNTO 3649 in Healthy Adults and Patients With Type 2 Diabetes Mellitus

NCT00882726
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
CNTO 3649 IV (Healthy participants), CNTO 3649 SC (Healthy participants), CNTO 3649 SC (Diabetic patients), Placebo
Drug
Lead sponsor
Centocor, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
133 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
3
States / cities
Miramar, Florida • San Antonio, Texas • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Dec 16, 2013 · Synced Oct 25, 2026, 10:05 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Persistence of Varicella Immunity in Hospital Employees Receiving Varicella Vaccine

NCT02026089
View directory record Official record
Conditions
Persistence of Varicella Immunity
Interventions
Varicella vaccine
Biological
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 9, 2021 · Synced Oct 25, 2026, 10:05 AM EDT
Recruiting No phase listed Observational

Leukapheresis Procedures to Obtain Plasma and Lymphocytes for Research Studies on Antiretroviral Naive HIV-1 Research Participants

NCT00039689
View directory record Official record
Conditions
HIV
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 120 Years
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 25, 2026, 10:05 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Impact of the Human Papilloma Virus in Pediatric Chronic Kidney Disease, Dialysis, and Transplant Patients

NCT00767897
View directory record Official record
Conditions
Chronic Kidney Disease, Dialysis
Interventions
Human Papillomavirus Vaccine
Drug
Lead sponsor
Indiana University
Other
Eligibility
9 Years to 18 Years · Female only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 29, 2024 · Synced Oct 25, 2026, 10:05 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Immune Status After Being on Call for 24 Hrs

NCT06636318
View directory record Official record
Conditions
Sleep Deprivation
Interventions
Blood Sample Collection, Actigraph (GT9X-BT) Monitor
Diagnostic Test · Device
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Oct 25, 2026, 10:05 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Duration of Immune Response to Influenza Vaccination in Patients With RA

NCT02311855
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Influenza vaccine
Biological
Lead sponsor
Bassett Healthcare
Other
Eligibility
40 Years to 75 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Cooperstown, New York
Source: ClinicalTrials.gov public record
Updated Jan 6, 2017 · Synced Oct 25, 2026, 10:05 AM EDT
Terminated Phase 4 Interventional Results available

The Impact of Imprinting and Repeated Influenza Vaccination on Adaptive Immunity, Transcriptomics, and Metabolomics

NCT03686514
View directory record Official record
Conditions
Influenza
Interventions
FLUARIX QUADRIVALENT
Biological
Lead sponsor
Emory University
Other
Eligibility
42 Years to 71 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 13, 2022 · Synced Oct 25, 2026, 10:05 AM EDT
Not listed Not applicable Interventional

Vitamin A Supplementation in Preterm Infants

NCT00063596
View directory record Official record
Conditions
Infant, Premature
Interventions
Vitamin A supplementation
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
1 Day to 3 Days
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 25, 2026, 10:05 AM EDT
Completed No phase listed Observational

A Multicenter Study to Assess Response to COVID-19 Vaccine in Multiple Sclerosis Participants Treated With Ofatumumab

NCT04847596
View directory record Official record
Conditions
Relapsing Multiple Sclerosis
Interventions
Ofatumumab, Covid-19 vaccine
Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
Phoenix, Arizona • Owosso, Michigan • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2023 · Synced Oct 25, 2026, 10:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

RSV Challenge in Healthy Adults

NCT00100373
View directory record Official record
Conditions
Respiratory Infections, Acute, Respiratory Syncytial Virus
Interventions
RSV challenge material
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
21 Years to 40 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 27, 2010 · Synced Oct 25, 2026, 10:05 AM EDT
Completed Phase 4 Interventional Results available

Preventing Recurrent UTI With Vaginal Estrogen

NCT05551949
View directory record Official record
Conditions
Recurrent Urinary Tract Infection, Urinary Tract Infections, Cystitis Recurrent
Interventions
Vaginal estradiol tablets
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
55 Years to 100 Years · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Oct 25, 2026, 10:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Bacterial Composition and Immune Responses in the Nose and Oropharynx During Influenza Infection

NCT02597647
View directory record Official record
Conditions
Influenza
Interventions
LAIV, Saline
Biological · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 64 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 25, 2026, 10:05 AM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

An Extension and Crossover Vaccination Study on the Immune Response and Safety of a Vaccine Against Respiratory Syncytial Virus Given to Adults 60 Years of Age and Above Who Participated in RSV OA=ADJ-006 Study

NCT06534892
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSVPreF3 OA vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
60 Years and older
Enrollment
10,212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
56
States / cities
Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 50 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 25, 2026, 10:05 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Evaluating Immune Response to Seasonal FluMist in Healthy Adults

NCT01673425
View directory record Official record
Conditions
Influenza
Interventions
Live Attenuated Influenza Vaccine
Drug
Lead sponsor
National Center for Occupational Health and Infection Control
Federal
Eligibility
20 Years to 49 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Oct 25, 2026, 10:05 AM EDT
Active, not recruiting Phase 2 Interventional

VIR-2218 and Peginterferon Alfa-2a for Chronic Hepatitis B

NCT06092333
View directory record Official record
Conditions
Chronic Hepatitis B
Interventions
VIR-2218 and peginterferon alfa-2a
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 25, 2026, 10:05 AM EDT
Completed Phase 4 Interventional Results available

Immune Response to the Human Papillomavirus Vaccine in Young Women With Inflammatory Bowel Disease

NCT01034358
View directory record Official record
Conditions
Inflammatory Bowel Disease, Uterine Cervical Dysplasia
Interventions
Human Papillomavirus Vaccine
Biological
Lead sponsor
Mayo Clinic
Other
Eligibility
9 Years to 26 Years · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 23, 2012 · Synced Oct 25, 2026, 10:05 AM EDT
Recruiting No phase listed Observational

Immune Response to Anti-HER2 Therapies in Patients With HER2-Positive Stage I-IV Breast Cancer

NCT04517838
View directory record Official record
Conditions
Breast Adenocarcinoma, HER2-Positive Breast Carcinoma, Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8
Interventions
Biospecimen Collection
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 25, 2026, 10:05 AM EDT
Completed No phase listed Observational

Characteristics and Disease Progression of Mixed Connective Tissue Disease and Systemic Lupus Erythematosus

NCT00582881
View directory record Official record
Conditions
Mixed Connective Tissue Disease (MCTD), Systemic Lupus Erythematosus (SLE)
Interventions
Not listed
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 100 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2025
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Oct 25, 2026, 10:05 AM EDT
Terminated Phase 2 Interventional Results available

VB-111 in Combination With Nivolumab in People With Metastatic Colorectal Cancer (mCRC)

NCT04166383
View directory record Official record
Conditions
Metastatic Colorectal Cancer, Colorectal Neoplasms, Colorectal Carcinoma, Colorectal Cancer With Hepatic Metastases, Colorectal Tumors
Interventions
Vascular Biogenics (VB)-111, Nivolumab
Biological · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Oct 25, 2026, 10:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Interventional Study of Mucosal and Antimicrobial Responses to Repeated Vaginal Applications of Tenofovir Gel in HIV Uninfected Women

NCT00594373
View directory record Official record
Conditions
HIV Infections
Interventions
Tenofovir gel, Tenofovir gel placebo
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2010
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 25, 2026, 10:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Immune Responses After Vaccination With an Investigational RNA-based Vaccine Against Malaria

NCT05581641
View directory record Official record
Conditions
Malaria
Interventions
BNT165b1, Placebo
Biological · Other
Lead sponsor
BioNTech SE
Industry
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
5
States / cities
Tempe, Arizona • Baltimore, Maryland • Las Vegas, Nevada + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2025 · Synced Oct 25, 2026, 10:05 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study to Assess Gonorrhoeae Immune Responses Induced by a N. Meningitidis Vaccine

NCT04094883
View directory record Official record
Conditions
Neisseria Gonorrhoeae Infection
Interventions
Meningococcal Group B Vaccine
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 25 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 15, 2021 · Synced Oct 25, 2026, 10:05 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Human Immune Responses Toward HIV-1 Envelope Antigens

NCT01344941
View directory record Official record
Conditions
HIV Infection
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 5, 2015 · Synced Oct 25, 2026, 10:05 AM EDT