Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 19, 2026, 9:23 AM EDT

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Showing 625–648 of 680 matching trials from the live ClinicalTrials.gov search.
Conditions
Healthy Volunteers
Interventions
mRNA-1273.712, Placebo
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
12 Years to 30 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
24
States / cities
Phoenix, Arizona • Huntington Park, California • La Mesa, California + 21 more
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Communication Strategies to Increase HPV Vaccinations

NCT06784960
Conditions
Papilloma Viral Infection, Vaccine Hesitancy, Communication
Interventions
HPV Message 1, HPV Message 2, HPV Message 3, Control Message, Provider Strong-Recommendation Toolkit
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years to 45 Years
Enrollment
9,002 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Healthy, Influenza
Interventions
FluMist
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 49 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
4
States / cities
San Diego, California • Daytona Beach, Florida • Portland, Oregon + 1 more
Conditions
Healthy
Interventions
Ad26.ZEBOV 5*10^10 viral particles (vp), Ad26.ZEBOV 2*10^10 (vp), Ad26.ZEBOV 0.8*10^10 (vp), MVA-BN-Filo 1*10^8 Infectious Unit [Inf. U.], MVA-BN-Filo 5*10^7 Inf. U., Placebo
Biological
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
18 Years to 50 Years
Enrollment
525 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
6
States / cities
Huntsville, Alabama • San Diego, California • Melbourne, Florida + 3 more
Conditions
Hantavirus Pulmonary Infection, Immunisation
Interventions
Andes virus DNA vaccine, Placebo
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Respiratory Syncytial Virus
Interventions
Placebo, mRNA-1345
Drug
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
60 Years and older
Enrollment
36,814 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
133
States / cities
Birmingham, Alabama • Guntersville, Alabama • Huntsville, Alabama + 114 more
Conditions
Malaria
Interventions
PfSPZ Vaccine
Biological
Lead sponsor
Sanaria Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Silver Spring, Maryland
Conditions
RSV Infection
Interventions
RSV 6120/∆NS1, RSV 6120/F1/G2/∆NS1, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 59 Months
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Smallpox
Interventions
IMVAMUNE®, Placebo
Biological · Other
Lead sponsor
Bavarian Nordic
Industry
Eligibility
18 Years to 40 Years
Enrollment
4,005 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
34
States / cities
Birmingham, Alabama • Anaheim, California • Los Angeles, California + 31 more
Conditions
Respiratory Syncytial Viruses, Lower Respiratory Tract Disease
Interventions
Adenovirus serotype 26 (Ad26)-based respiratory syncytial virus (RSV). preF, Placebo
Biological
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
60 Years and older
Enrollment
25,236 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
156
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 126 more
Not listed Not applicable Interventional Accepts healthy volunteers

Melatonin and Vaccine Response, Immunity, and Chronobiology Study

NCT04953754
Conditions
Vaccine Response, Sleep, Circadian Rhythm Disorders
Interventions
Melatonin, Phillips Actiwatch Spectrum Plus
Dietary Supplement · Device
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years to 64 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Health Behavior, Health Care Utilization
Interventions
Promotores de Salud, Services as usual
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
3 Years and older
Enrollment
1,623 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Eugene, Oregon
Conditions
Pneumococcal Vaccines
Interventions
31-valent pneumococcal conjugate vaccine, PCV20
Biological
Lead sponsor
Vaxcyte, Inc.
Industry
Eligibility
50 Years and older
Enrollment
752 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
30
States / cities
Chinle, Arizona • Phoenix, Arizona • Whiteriver, Arizona + 27 more
Conditions
Vaccine Hesitancy, COVID-19 Testing, Community Health Workers
Interventions
Community Health Worker led curriculum
Behavioral
Lead sponsor
Charles Drew University of Medicine and Science
Other
Eligibility
16 Years and older
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Los Angeles, California
Conditions
Pneumococcal Infections
Interventions
V114, Prevnar 13™, PNEUMOVAX™23
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
50 Years and older
Enrollment
652 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
15
States / cities
Chandler, Arizona • Phoenix, Arizona • Spring Valley, California + 12 more
Conditions
Systemic Allergic Reaction
Interventions
Pfizer-BioNTech COVID-19 Vaccine (Comirnaty), Placebo, Pfizer-BioNTech COVID-19 Vaccine, Bivalent
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
16 Years to 69 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Marburg Virus Disease
Interventions
cAd3-Marburg Vaccine, Placebo
Biological
Lead sponsor
Albert B. Sabin Vaccine Institute
Other
Eligibility
18 Years to 70 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
7
States / cities
Huntsville, Alabama • Phoenix, Arizona • Melbourne, Florida + 4 more
Completed No phase listed Observational Accepts healthy volunteers

Immunogenicity of Off-Schedule Dosing of HPV Vaccine

NCT01030562
Conditions
Papilloma Viral Infection
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
9 Years to 17 Years · Female only
Enrollment
1,321 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
7
States / cities
Tucker, Georgia • Baltimore, Maryland • Kansas City, Missouri + 4 more
Conditions
Colorectal Neoplasms
Interventions
GRT-C901, GRT-R902, Atezolizumab, Ipilimumab, Fluoropyrimidine plus leucovorin, Bevacizumab
Drug
Lead sponsor
Seattle Project Corporation
Industry
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
43
States / cities
Gilbert, Arizona • Springdale, Arkansas • Los Angeles, California + 36 more
Conditions
Healthy
Interventions
MEDI-534, Cohort 1, Placebo, Cohort 1, MEDI-534, Cohort 2, Placebo, Cohort 2, MEDI-534, Cohort 3, Placebo, Cohort 3, MEDI-534, Cohort 4, Placebo, Cohort 4, MEDI-534, Cohort 5, Placebo, Cohort 5
Biological · Other
Lead sponsor
MedImmune LLC
Industry
Eligibility
2 Months to 23 Months
Enrollment
1,338 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
51
States / cities
Mobile, Alabama • Bentonville, Arkansas • Little Rock, Arkansas + 44 more
Conditions
Healthy
Interventions
RSV Vaccine, Placebo
Biological · Other
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
60 Years and older
Enrollment
459 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
9
States / cities
San Diego, California • Coral Gables, Florida • El Dorado, Kansas + 6 more
Completed Phase 4 Interventional Accepts healthy volunteers Results available

VAXCHORA Pediatric Study to Assess Safety and Immunogenicity

NCT03220737
Conditions
Cholera (Disorder)
Interventions
VAXCHORA (Cholera Vaccine, Live, Oral), Placebo
Biological · Other
Lead sponsor
Bavarian Nordic
Industry
Eligibility
2 Years to 17 Years
Enrollment
550 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
10
States / cities
Atlanta, Georgia • Lenexa, Kansas • Wichita, Kansas + 7 more
Conditions
Multiple Myeloma
Interventions
CT7, MAGE-A3, and WT1 mRNA-electroporated Langerhans cells ( LCs), Standard of care
Biological · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
New York, New York
Conditions
Influenza, Respiratory Tract Infections
Interventions
Portal Reminders for Influenza Vaccination: Direct scheduling link, Portal Reminders for Influenza Vaccination: No direct scheduling link, Pre-Commitment Prompt, Pre-Appointment flu vaccine reminders
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
4 Months and older
Enrollment
213,773 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Los Angeles, California