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Showing 1–24 of 870 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Booster Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Online Intervention to Promote Resilience to Traumatic Stress During Pregnancy

NCT04992767
View directory record Official record
Conditions
Posttraumatic Stress Disorder, Pregnancy Related
Interventions
Sunnyside, SunnysideFlex
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older · Female only
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 19, 2025 · Synced Sep 4, 2026, 7:45 PM EDT
Not listed Phase 2 Interventional

A Study of Transgenic Lymphocyte Immunization (TLI) Against Telomerase in Subjects With Stage III Melanoma

NCT00925314
View directory record Official record
Conditions
Stage IIIB Skin Melanoma, Stage IIIC Skin Melanoma
Interventions
CB-10-01 (Transgenic Lymphocyte Immunization)
Biological
Lead sponsor
Cosmo Bioscience
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
5
States / cities
Duarte, California • Los Angeles, California • San Diego, California + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2012 · Synced Sep 4, 2026, 7:45 PM EDT
Completed Not applicable Interventional

Avanzando Juntas: Adapting an Evidence Based Weight Loss Program for Hispanic Breast Cancer Survivors

NCT04321135
View directory record Official record
Conditions
Breast Cancer, Gynecologic Cancer
Interventions
Guided Lifestyle Program Intervention, Self-Guided Lifestyle Program (Control Arm)
Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 15, 2022 · Synced Sep 4, 2026, 7:45 PM EDT
Terminated Phase 2 Interventional Results available

Durvalumab and "Booster" Radiation in Metastatic Adenocarcinoma of the Pancreas

NCT03490760
View directory record Official record
Conditions
Adenocarcinoma of the Pancreas
Interventions
Durvalumab, Radiation Therapy
Drug · Radiation
Lead sponsor
Baptist Health South Florida
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 11, 2023 · Synced Sep 4, 2026, 7:45 PM EDT
Terminated Phase 3 Interventional Results available

Janssen Ad26.CoV2.S Vaccine Booster in Kidney Transplant Recipients

NCT05220397
View directory record Official record
Conditions
Kidney Transplant Recipient
Interventions
Janssen Ad26.CoV2.S Vaccine, Reduction in Immunosuppression Medication, Maintenance in Immunosuppression Medication
Biological · Other
Lead sponsor
Mark Stegall
Other
Eligibility
18 Years and older
Enrollment
468 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
3
States / cities
Phoenix, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 14, 2025 · Synced Sep 4, 2026, 7:45 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Delayed Heterologous SARS-CoV-2 Vaccine Dosing (Boost) After Receipt of EUA Vaccines

NCT04889209
View directory record Official record
Conditions
COVID-19
Interventions
Ad26.COV2.S, BNT162b2, mRNA-1273, mRNA-1273.211, mRNA-1273.222, SARS-CoV-2 rS/M1
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
867 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
10
States / cities
Decatur, Georgia • Baltimore, Maryland • New York, New York + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 19, 2025 · Synced Sep 4, 2026, 7:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

txt2protect: Using Text Messaging to Increase HPV Vaccination Among Young Sexual Minority Men

NCT02994108
View directory record Official record
Conditions
Human Papillomavirus
Interventions
txt2protect, Sexual Health Control
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 19, 2020 · Synced Sep 4, 2026, 7:45 PM EDT
Completed No phase listed Observational

The Lymphoma and Leukemia Society Amended COVID-19 Registry

NCT04794387
View directory record Official record
Conditions
Covid19
Interventions
Amended LLS COVID-19 Registry
Biological
Lead sponsor
Blood Cancer United
Other
Eligibility
21 Years and older
Enrollment
1,000 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Rye Brook, New York
Source: ClinicalTrials.gov public record
Updated Mar 1, 2023 · Synced Sep 4, 2026, 7:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Testing Means to Scale Early Childhood Development Interventions in Rural Kenya

NCT03548558
View directory record Official record
Conditions
Early Child Development
Interventions
Group sessions, Group+Home sessions, Booster sessions, Fathers invited
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
15 Years and older
Enrollment
1,152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 12, 2023 · Synced Sep 4, 2026, 7:45 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate Safety and Immunogenicity of One or Two Booster Vaccinations With H5N6 Influenza Vaccine in Adults Primed With H5N1 Influenza Vaccine or Unprimed

NCT05422326
View directory record Official record
Conditions
Influenza, Human, Influenza in Birds, Respiratory Tract Infections, Infections, Orthomyxoviridae Infections, RNA Virus Infections, Virus Diseases, Respiratory Tract Diseases
Interventions
aH5N6c on Day 1, aH5N6c on Day 22, Placebo on Day 22
Biological
Lead sponsor
Seqirus
Industry
Eligibility
18 Years and older
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
18
States / cities
Huntsville, Alabama • Tempe, Arizona • San Diego, California + 14 more
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 4, 2026, 7:45 PM EDT
Completed Phase 1 Interventional Results available

A Study of ELI-002 in Subjects With KRAS Mutated Pancreatic Ductal Adenocarcinoma (PDAC) and Other Solid Tumors

NCT04853017
View directory record Official record
Conditions
Minimal Residual Disease, KRAS G12D, KRAS G12R, NRAS G12D, NRAS G12R, Pancreatic Ductal Adenocarcinoma, Colorectal Cancer, Non-small Cell Lung Cancer, Ovarian Cancer, Cholangiocarcinoma, Bile Duct Cancer, Gallbladder Carcinoma
Interventions
ELI-002 2P
Drug
Lead sponsor
Elicio Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
10
States / cities
Duarte, California • Los Angeles, California • Aurora, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2025 · Synced Sep 4, 2026, 7:45 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study on the Immune Response and Safety of the Shingles Vaccine and the Influenza Vaccine When Either is Given to Healthy Adults at the Same Time or Following a COVID-19 Booster Vaccine

NCT05047770
View directory record Official record
Conditions
Herpes Zoster
Interventions
HZ/su, Flu D-QIV, mRNA-1273
Biological · Combination Product
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
2,013 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
46
States / cities
Tempe, Arizona • Oxnard, California • San Diego, California + 40 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2023 · Synced Sep 4, 2026, 7:45 PM EDT
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

A Safety, Reactogenicity and Immunogenicity Trial of RVX-sCPD9 Booster Intranasal COVID-19 Vaccine

NCT07703475
View directory record Official record
Conditions
COVID -19
Interventions
RVX-sCPD9
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
4
States / cities
New York, New York • Durham, North Carolina • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 4, 2026, 7:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Yappalli - The Road to Choctaw Health

NCT02400554
View directory record Official record
Conditions
Obesity, Substance Abuse
Interventions
Yappalli
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Female only
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2022
U.S. locations
1
States / cities
McAlester, Oklahoma
Source: ClinicalTrials.gov public record
Updated Nov 2, 2022 · Synced Sep 4, 2026, 7:45 PM EDT
Recruiting Phase 1 Interventional

A Feasibility Study Utilizing Immune Recall to Increase Response to Checkpoint Therapy

NCT05077137
View directory record Official record
Conditions
Melanoma
Interventions
Tetanus Diptheria Vaccine, Polio Boost Immunization
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Sep 4, 2026, 7:45 PM EDT
Terminated Phase 1 Interventional Results available

Peptide Targets for Glioblastoma Against Novel Cytomegalovirus Antigens

NCT02864368
View directory record Official record
Conditions
Glioblastoma, Glioblastoma Multiforme
Interventions
5-day TMZ, 21-day TMZ, PEP-CMV: Component A, Tetanus-Diphtheria booster, Tetanus Pre-Conditioning, PEP-CMV: Component B
Drug · Biological
Lead sponsor
Eric Thompson, M.D.
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 8, 2022 · Synced Sep 4, 2026, 7:45 PM EDT
Completed Not applicable Interventional

Improving Diabetes Care and Outcomes on the South Side of Chicago

NCT01087073
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Patient Activation, Provider Training, Quality Improvement, Community Outreach
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
6,209 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
6
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 25, 2023 · Synced Sep 4, 2026, 7:45 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Various Formulations of Live Attenuated Tetravalent Dengue Vaccine in Healthy US Adults

NCT00350337
View directory record Official record
Conditions
Dengue
Interventions
Pre-transfection F17, Post-transfection F17, Post-transfection F19, Placebo
Biological · Other
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 45 Years
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 11, 2021 · Synced Sep 4, 2026, 7:45 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

A Trial Evaluating the Safety and Effects of an RNA Vaccine ARCT-021 in Healthy Adults

NCT04668339
View directory record Official record
Conditions
Covid19, SARS-CoV Infection, Corona Virus Infection
Interventions
ARCT-021 single dose priming, ARCT-021 two lower dose priming, ARCT-021 two higher dose priming, Placebo (two doses), priming, Randomized booster, Placebo booster
Biological
Lead sponsor
Arcturus Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
581 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
12
States / cities
Chandler, Arizona • Tucson, Arizona • San Diego, California + 9 more
Source: ClinicalTrials.gov public record
Updated May 14, 2025 · Synced Sep 4, 2026, 7:45 PM EDT
Completed Not applicable Interventional

Reducing the Weight of Overweight Schizophrenia Patients

NCT00158366
View directory record Official record
Conditions
Schizophrenia, Obesity
Interventions
Behavioral training, Social skills training, Behavioral training booster sessions
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
14 Years to 60 Years
Enrollment
261 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 21, 2018 · Synced Sep 4, 2026, 7:45 PM EDT
Completed Phase 3 Interventional

Assessing Screening Plus Brief Intervention's Resulting Efficacy (ASPIRE) to Stop Drug Use

NCT00876941
View directory record Official record
Conditions
Drug Usage, Drug Abuse, Drug Dependence
Interventions
Standard Brief Intervention, Enhanced Brief Intervention, Control: Information and Feedback
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
589 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 1, 2014 · Synced Sep 4, 2026, 7:45 PM EDT
Completed Not applicable Interventional

Randomized Clinical Trial of a Multi-Modal Palliative Care Intervention

NCT04773639
View directory record Official record
Conditions
Depression, Anxiety, Metastatic Cancer
Interventions
Multi-Modal Palliative Care Intervention, Usual Care Control Condition
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated May 14, 2025 · Synced Sep 4, 2026, 7:45 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Study to Describe the Safety, Tolerability, Immunogenicity, and Efficacy of RNA Vaccine Candidates Against COVID-19 in Healthy Individuals

NCT04368728
View directory record Official record
Conditions
SARS-CoV-2 Infection, COVID-19
Interventions
BNT162b1, BNT162b2, Placebo, BNT162b2SA
Biological · Other
Lead sponsor
BioNTech SE
Industry
Eligibility
12 Years and older
Enrollment
46,969 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
154
States / cities
Athens, Alabama • Birmingham, Alabama • Huntsville, Alabama + 106 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Sep 4, 2026, 7:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Life-Steps Counseling to Enhance Adherence and Engagement in PrEP Care

NCT04316715
View directory record Official record
Conditions
Adherence, Medication
Interventions
Lifesteps for PrEP, Daily text message reminders
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older · Male only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
2
States / cities
Miami, Florida • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 25, 2025 · Synced Sep 4, 2026, 7:45 PM EDT