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ClinicalTrials.gov public records Last synced Oct 23, 2026, 7:43 PM EDT

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Showing 145–168 of 177 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Pneumococcal Vaccines Clear all
Completed Early Phase 1 Interventional

Multi-peptide Vaccine With Basilixumab for Breast Cancer

NCT01660529
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 25, 2019 · Synced Oct 23, 2026, 7:43 PM EDT
Completed Phase 1Phase 2 Interventional

Chemotherapy and Peripheral Stem Cell Transplantation Followed By Immunotherapy in Treating Patients With Multiple Myeloma

NCT00046852
View directory record Official record
Conditions
Infection, Multiple Myeloma and Plasma Cell Neoplasm
Interventions
filgrastim, pneumococcal polyvalent vaccine, therapeutic autologous lymphocytes, therapeutic tumor infiltrating lymphocytes, carmustine, cyclophosphamide, melphalan, bone marrow ablation with stem cell support, peripheral blood stem cell transplantation
Biological · Drug · Procedure
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
2
States / cities
Baltimore, Maryland • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 4, 2019 · Synced Oct 23, 2026, 7:43 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

The Role of Neutrophils in the Age-driven Decline in Anti-pneumococcal Vaccine Responses

NCT06128915
View directory record Official record
Conditions
Aging
Interventions
vaccine
Other
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Apr 3, 2026 · Synced Oct 23, 2026, 7:43 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety, Tolerability, and Immunogenicity of V114 in Healthy Infants (V114-029)

NCT03893448
View directory record Official record
Conditions
Pneumococcal Infections, Pneumococcal Vaccines
Interventions
V114, Prevnar 13™, RotaTeq™, Pentacel™, RECOMBIVAX HB™, VAQTA™, MMR II™, VARIVAX™, HIBERIX™
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
42 Days to 90 Days
Enrollment
1,720 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
66
States / cities
Birmingham, Alabama • Dothan, Alabama • Opp, Alabama + 58 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2023 · Synced Oct 23, 2026, 7:43 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Pneumonia Vaccine in Aging HIV Positive Individuals

NCT02558751
View directory record Official record
Conditions
Pneumococcal Infection
Interventions
23-valent pneumococcal polysaccharide vaccine, 13-valent pneumococcal conjugate vaccine
Biological
Lead sponsor
University of Toledo Health Science Campus
Other
Eligibility
50 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Toledo, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 24, 2015 · Synced Oct 23, 2026, 7:43 PM EDT
Completed No phase listed Observational

Study Estimating the Impact of Prevnar 13™ (13vPnC) on Invasive Pneumococcal Disease

NCT01128439
View directory record Official record
Conditions
Invasive Pneumococcal Disease
Interventions
No intervention
Other
Lead sponsor
Pfizer
Industry
Eligibility
Not listed
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Dec 4, 2018 · Synced Oct 23, 2026, 7:43 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Safety and Efficacy of wSp Vaccine in Young Children

NCT07216430
View directory record Official record
Conditions
Acute Otitis Media (AOM)
Interventions
wSp vaccine, Saline (0.9% NaCl)
Biological
Lead sponsor
Serum Life Science Europe GmbH
Industry
Eligibility
5 Months to 7 Months
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
7
States / cities
Pittsford, New York • Rochester, New York
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 23, 2026, 7:43 PM EDT
Completed Phase 3 Interventional Results available

Study Evaluating 13-valent Pneumococcal Conjugate Vaccine (13vPnC) in Healthy Children Aged 15 Months to 17 Years

NCT00761631
View directory record Official record
Conditions
Healthy Subjects
Interventions
13 valent pneumococcal conjugate vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
15 Months to 18 Years
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
36
States / cities
Benton, Arkansas • Fayetteville, Arkansas • Jonesboro, Arkansas + 29 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Oct 23, 2026, 7:43 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

A Phase 2, Multicenter, Open-label Study to Assess the Immunogenicity of an Investigational Hib Vaccine (NU300)in Toddlers

NCT01732198
View directory record Official record
Conditions
Infectious Disease
Interventions
NU300, ActHIB, Prevnar 13
Biological
Lead sponsor
Nuron Biotech Inc.
Industry
Eligibility
12 Months to 15 Months
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
2
States / cities
Oakland, California • Bardstown, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 23, 2013 · Synced Oct 23, 2026, 7:43 PM EDT
Recruiting No phase listed Observational

A Study to Learn About How 20-Valent Pneumococcal Conjugate Vaccine Works in a Real-world Setting

NCT05452941
View directory record Official record
Conditions
Pneumonia
Interventions
Diagnostic test on urine samples
Diagnostic Test
Lead sponsor
Pfizer
Industry
Eligibility
65 Years and older
Enrollment
12,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
40
States / cities
El Centro, California • Fontana, California • Los Angeles, California + 25 more
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 23, 2026, 7:43 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Trial of Antibody Responses by Vitamin Supplementation

NCT03859687
View directory record Official record
Conditions
Healthy Participants
Interventions
Vitamin A supplementation, No vitamin A supplementation
Biological
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
1 Year to 4 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 5, 2025 · Synced Oct 23, 2026, 7:43 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety, Tolerability, and Immunogenicity of V114 Followed by PNEUMOVAX™23 in Adults at Increased Risk for Pneumococcal Disease (V114-017/PNEU-DAY)

NCT03547167
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
V114, Prevnar 13™, PNEUMOVAX™23
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 49 Years
Enrollment
1,515 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
38
States / cities
Chinle, Arizona • Fort Defiance, Arizona • Glendale, Arizona + 34 more
Source: ClinicalTrials.gov public record
Updated Jan 15, 2021 · Synced Oct 23, 2026, 7:43 PM EDT
Completed Phase 2 Interventional

Studies of Influenza Vaccine and Tetanus-Pneumococcal Vaccine in HIV-infected Patients Receiving Interleukin-2

NCT00050726
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 21, 2013 · Synced Oct 23, 2026, 7:43 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety, Tolerability, and Immunogenicity Study of a 24-Valent Pneumococcal Conjugate Vaccine (VAX-24) in Older Adults

NCT05297578
View directory record Official record
Conditions
Pneumococcal Vaccines
Interventions
24-Valent Pneumococcal Conjugate Vaccine, Pneumococcal 20-valent Conjugate Vaccine
Biological
Lead sponsor
Vaxcyte, Inc.
Industry
Eligibility
65 Years and older
Enrollment
207 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
20
States / cities
Birmingham, Alabama • DeLand, Florida • Hollywood, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Oct 23, 2026, 7:43 PM EDT
Completed Phase 4 Interventional Results available

A Study to Evaluate Pneumococcal Polysaccharide Vaccine Effectiveness in Children With Type 1 Diabetes

NCT04481243
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Pneumovax 23- pneumococcal polysaccharide, Blood draw
Biological · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
3 Years to 18 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 8, 2023 · Synced Oct 23, 2026, 7:43 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Fever After Simultaneous Versus Sequential Vaccination in Young Children

NCT03165981
View directory record Official record
Conditions
Fever After Vaccination, Fever, Febrile Seizure
Interventions
PCV13, DTaP, IIV
Biological
Lead sponsor
Duke University
Other
Eligibility
12 Months to 16 Months
Enrollment
221 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
3
States / cities
Oakland, California • Atlanta, Georgia • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 18, 2024 · Synced Oct 23, 2026, 7:43 PM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Impact of HIV-1 and Aging on Mucosal Vaccine Responses

NCT03729778
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 29, 2026 · Synced Oct 23, 2026, 7:43 PM EDT
Active, not recruiting No phase listed Observational

A Study to Learn How Effective is PCV20 to Help Stop Adults Who Have a Higher Chance of Getting Pneumonia

NCT07251465
View directory record Official record
Conditions
Community-Acquired Pneumonia (CAP)
Interventions
Receipt of PCV20
Biological
Lead sponsor
Pfizer
Industry
Eligibility
19 Years and older
Enrollment
846,279 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 23, 2026, 7:43 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Safety, Tolerability, and Immunogenicity Study of a 31-Valent Pneumococcal Conjugate Vaccine (VAX-31) in Adults

NCT06151288
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 28, 2025 · Synced Oct 23, 2026, 7:43 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A Study of AV0328 Administered to Healthy Adult Volunteers

NCT02853617
View directory record Official record
Conditions
PNAG-expressing Pathogenic Microbes Vaccine
Interventions
AV0328 - Cohort 1, AV0328 - Cohort 2, AV0328 - Cohort 3, AV0328 - Cohort 4
Biological
Lead sponsor
Alopexx Vaccine, LLC
Industry
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Neptune City, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 19, 2019 · Synced Oct 23, 2026, 7:43 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Trial To Evaluate A Multivalent Pneumococcal Conjugate Vaccine In Healthy Adults 50-85 Years Of Age

NCT03313050
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
Multivalent, Tdap, polysaccharide
Biological
Lead sponsor
Pfizer
Industry
Eligibility
50 Years to 85 Years
Enrollment
511 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
18
States / cities
Birmingham, Alabama • Cerritos, California • Savannah, Georgia + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2020 · Synced Oct 23, 2026, 7:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Recombinant Attenuated Salmonella Typhi Vaccine Vectors Producing Streptococcus Pneumoniae PspA

NCT01033409
View directory record Official record
Conditions
Pneumonia
Interventions
Salmonella Typhi-vectored pneumonia vaccine
Biological
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 40 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 2, 2011 · Synced Oct 23, 2026, 7:43 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Postlicensure Observational Safety Study of 13vPnC Administered to Infants and Toddlers

NCT01128426
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
No Intervention
Other
Lead sponsor
Pfizer
Industry
Eligibility
2 Months to 3 Years
Enrollment
53,902 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Jul 14, 2014 · Synced Oct 23, 2026, 7:43 PM EDT
Completed Not applicable Interventional

Study of Anti-HIV Therapy Intensification

NCT00034086
View directory record Official record
Conditions
HIV Infections
Interventions
Lopinavir/Ritonavir, Lamivudine/Zidovudine, Tenofovir disoproxil fumarate, Pneumococcal Vaccine, Polyvalent (23-valent), Lamivudine, Stavudine, Zidovudine, Didanosine, Lyme Disease Vaccine Recombinant OspA, Haemophilus B Conjugate Vaccine
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2006
U.S. locations
3
States / cities
Aurora, Colorado • Chicago, Illinois • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 18, 2012 · Synced Oct 23, 2026, 7:43 PM EDT