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ClinicalTrials.gov public records Last synced May 22, 2026, 4:14 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Vaccines, Pneumococcal Clear all
Recruiting Phase 3 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pneumococcal Immunization, Healthy Volunteers
Interventions
PCV21 vaccine, 20vPCV licensed vaccine
Biological
Lead sponsor
Sanofi
Industry
Eligibility
42 Days to 89 Days
Enrollment
2,195 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
3
States / cities
Tampa, Florida • Allen Park, Michigan • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced May 22, 2026, 4:14 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Renal Transplantation, Aging
Interventions
23 valent pneumococcal polysaccharide vaccine, 13 valent conjugated pneumococcal vaccine, Peripheral blood sample
Drug · Biological · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
35 Years to 75 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
2
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 29, 2021 · Synced May 22, 2026, 4:14 AM EDT
Completed Early Phase 1 Interventional
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
hTERT
Biological
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 24, 2019 · Synced May 22, 2026, 4:14 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
HIV, Pneumococcal Infections, Pneumococcal Vaccines
Interventions
PCV-13, PPSV-23
Biological
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
3
States / cities
Aurora, Colorado • Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 17, 2020 · Synced May 22, 2026, 4:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pneumococcal Immunization
Interventions
Pneumococcal Conjugate Vaccine, Prevnar 13®
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
19 Years to 49 Years
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Metairie, Louisiana • Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 19, 2024 · Synced May 22, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Rubella, Mumps, Measles, Measles-Mumps-Rubella Vaccine
Interventions
GSK Biological's investigational vaccine 209762, M-M-R® II (Merck and Co), Varivax®, Havrix®, Prevnar®
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Months to 15 Months
Enrollment
1,259 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
45
States / cities
Tuscaloosa, Alabama • Conway, Arkansas • Jonesboro, Arkansas + 42 more
Source: ClinicalTrials.gov public record
Updated Jan 2, 2020 · Synced May 22, 2026, 4:14 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
HIV-1-infection, Human Immunodeficiency Virus, HIV/AIDS, HIV Infections
Interventions
Prevnar-13
Biological
Lead sponsor
VA Eastern Colorado Health Care System
Federal
Eligibility
21 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 14, 2024 · Synced May 22, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Pneumococcal Immunisation, Diphtheria Immunisation, Tetanus Immunisation, Pertussis Immunisation, Hepatitis B Immunisation, Haemophilus Influenzae Type b Immunisation, Polio Immunisation, Measles Immunisation, Rubella Immunisation, Varicella Immunisation, Mumps Immunisation
Interventions
Pneumococcal Conjugate Vaccine formulation 1, Pneumococcal Conjugate Vaccine formulation 2, Pneumococcal Conjugate Vaccine formulation 3, Varicella Virus Vaccine Live, Measles, Mumps, and Rubella Virus Vaccine Live, Pneumococcal 13-valent Conjugate Vaccine [Diphtheria CRM197 Protein], Diphtheria and Tetanus Toxoids and Acellular Pertussis Adsorbed, Inactivated Poliovirus and Haemophilus b Conjugate (Tetanus Toxoid Conjugate), Rotavirus Vaccine, Live, Oral, Pentavalent, Hepatitis B Vaccine* [Recombinant] *as applicable
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
42 Days to 15 Months
Enrollment
852 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
49
States / cities
Jonesboro, Arkansas • Bellflower, California • Huntington Park, California + 41 more
Source: ClinicalTrials.gov public record
Updated Sep 7, 2025 · Synced May 22, 2026, 4:14 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
20vPnC, 13vPnC
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 49 Years
Enrollment
1,710 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
21
States / cities
Anaheim, California • Sacramento, California • San Jose, California + 16 more
Source: ClinicalTrials.gov public record
Updated Nov 22, 2020 · Synced May 22, 2026, 4:14 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
Multivalent, Prevnar 13
Biological
Lead sponsor
Pfizer
Industry
Eligibility
42 Days to 98 Days
Enrollment
565 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
48
States / cities
Mobile, Alabama • Harrisburg, Arkansas • Anaheim, California + 34 more
Source: ClinicalTrials.gov public record
Updated Nov 29, 2021 · Synced May 22, 2026, 4:14 AM EDT
Not listed Phase 2 Interventional
View directory record Official record
Conditions
High Risk for Serious Influenza, High Risk for Pneumonia
Interventions
Influenza vaccination, Pneumococcal polysaccharide vaccination
Biological
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
2
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 25, 2006 · Synced May 22, 2026, 4:14 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
PREVENTION OF INVASIVE PNEUMOCOCCAL DISEASE
Interventions
13-valent pneumococcal conjugate vaccine, Seasonal Inactivated Influenza Vaccine, Placebo
Biological · Other
Lead sponsor
Pfizer
Industry
Eligibility
50 Years and older
Enrollment
882 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
44
States / cities
Birmingham, Alabama • Huntsville, Alabama • Scottsdale, Arizona + 37 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2016 · Synced May 22, 2026, 4:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
Low dose multivalent pneumococcal conjugate vaccine formulation A, Low dose multivalent pneumococcal conjugate vaccine formulation B, Low dose of multivalent pneumococcal conjugate vaccine control, Standard dose multivalent pneumococcal conjugate vaccine control
Other · Biological
Lead sponsor
Pfizer
Industry
Eligibility
50 Years to 64 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
9
States / cities
Hialeah, Florida • Hollywood, Florida • Columbia, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2024 · Synced May 22, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pneumococcal Vaccines
Interventions
0.5 ml dose of 1.1 mcg VAX-24, 0.5 ml dose of PCV20, 0.5 ml dose of 2.2 mcg VAX-24, 0.5 ml dose of 2.2/4.4 mcg VAX-24
Biological
Lead sponsor
Vaxcyte, Inc.
Industry
Eligibility
42 Days to 89 Days
Enrollment
802 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
32
States / cities
Jonesboro, Arkansas • Madera, California • Tampa, Florida + 22 more
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced May 22, 2026, 4:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Herpes Zoster, Pneumococcal Infections
Interventions
Enhanced immunization delivery model, Immunization update
Behavioral · Other
Lead sponsor
Auburn University
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
2
States / cities
Auburn, Alabama • Claremont, California
Source: ClinicalTrials.gov public record
Updated Aug 19, 2019 · Synced May 22, 2026, 4:14 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
20-valent pneumococcal conjugate vaccine, 13-valent pneumococcal conjugate vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
42 Days to 98 Days
Enrollment
1,511 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
41
States / cities
Tucson, Arizona • Fullerton, California • Oxnard, California + 33 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2023 · Synced May 22, 2026, 4:14 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Vaccines, Pneumococcal
Interventions
13 valent pneumococcal conjugate vaccine, 7vPnc pneumococcal conjugate vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
42 Days to 98 Days
Enrollment
666 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
37
States / cities
Fayetteville, Arkansas • Jonesboro, Arkansas • Little Rock, Arkansas + 31 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2013 · Synced May 22, 2026, 4:14 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
HIV Infections
Interventions
Interleukin-2
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
620 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 20, 2013 · Synced May 22, 2026, 4:14 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Pneumococcal Vaccines
Interventions
31 valent pneumococcal conjugate vaccine, 20 valent pneumococcal conjugate vaccine
Biological
Lead sponsor
Vaxcyte, Inc.
Industry
Eligibility
50 Years and older
Enrollment
1,015 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
25
States / cities
Mobile, Alabama • Phoenix, Arizona • Hollywood, Florida + 22 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2025 · Synced May 22, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
CP-690,550, placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
51
States / cities
Gilbert, Arizona • Paradise Valley, Arizona • Jonesboro, Arkansas + 45 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2013 · Synced May 22, 2026, 4:14 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Vaccines, Pneumococcal
Interventions
13-valent Pneumococcal Conjugate Vaccine, 7vPnC
Biological
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
42 Days to 98 Days
Enrollment
1,712 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
78
States / cities
Benton, Arkansas • Conway, Arkansas • Fayetteville, Arkansas + 67 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2012 · Synced May 22, 2026, 4:14 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
V114, Prevnar 13™
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
42 Days to 90 Days
Enrollment
2,409 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
22
States / cities
Downey, California • Huntington Beach, California • San Diego, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced May 22, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Multiple Myeloma and Plasma Cell Neoplasm
Interventions
pneumococcal polyvalent vaccine, lenalidomide
Biological · Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 23, 2015 · Synced May 22, 2026, 4:14 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Pneumococcal Disease, 13-valent Pneumococcal Vaccine
Interventions
13-valent Pneumococcal Conjugate Vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
42 Days to 5 Years
Enrollment
373 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
21
States / cities
Akiak, Alaska • Bethel, Alaska • Chefornak, Alaska + 18 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2012 · Synced May 22, 2026, 4:14 AM EDT