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Showing 1–24 of 244 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Prevnar Clear all
Completed Not applicable Interventional

Immune System Function Following Vaccination in HIV Infected Children Taking Anti-HIV Drugs

NCT00257127
View directory record Official record
Conditions
HIV Infections
Interventions
Pneumococcal 7-valent conjugate vaccine, Pneumococcal polysaccharide vaccine, Hepatitis B vaccine, Measles, mumps, and rubella virus vaccine, live
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Years to 23 Years
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
24
States / cities
Birmingham, Alabama • Alhambra, California • Long Beach, California + 17 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 2, 2026, 1:47 PM EDT
Completed Not applicable Interventional Results available

Exploration of Immune Response to Early PCV13 Vaccination in Conjunction With Autologous Transplant

NCT01852591
View directory record Official record
Conditions
Multiple Myeloma
Interventions
PCV 13
Biological
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Feb 1, 2017 · Synced Sep 2, 2026, 1:47 PM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

A Study to Learn About How a New Pneumococcal Vaccine Works in Infants.

NCT07629440
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
PG4, 20-valent pneumococcal conjugate vaccine (20vPnC)
Biological
Lead sponsor
Pfizer
Industry
Eligibility
42 Days to 211 Days
Enrollment
3,230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
79
States / cities
Birmingham, Alabama • Centreville, Alabama • Fayetteville, Arkansas + 57 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Sep 2, 2026, 1:47 PM EDT
Completed Phase 3 Interventional Results available

Safety & Immunogenicity of 13vPnC in HIV-Infected Subjects Aged 18 or Older Who Were Previously Immunized With 23vPS

NCT00963235
View directory record Official record
Conditions
HIV Infections, Pneumococcal Infections
Interventions
13-valent pneumococcal conjugate vaccine, Blood draw
Biological · Procedure
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
331 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
15
States / cities
San Francisco, California • Aurora, Colorado • Washington D.C., District of Columbia + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2013 · Synced Sep 2, 2026, 1:47 PM EDT
Completed Phase 1Phase 2 Interventional

Pneumococcal Adult-dose Ranging Immunization Study

NCT00169234
View directory record Official record
Conditions
Pneumonia
Interventions
PCV7, Prevnar®, Pneumovax 23
Biological
Lead sponsor
Kaiser Permanente
Other
Eligibility
70 Years to 79 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Sep 2, 2026, 1:47 PM EDT
Terminated Phase 2 Interventional Results available

Allogeneic Myeloma GM-CSF Vaccine With Lenalidomide in Multiple Myeloma Patients in Complete or Near Complete Remission

NCT03376477
View directory record Official record
Conditions
Multiple Myeloma
Interventions
GM-CSF vaccine, Lenalidomide, Prevnar13, Placebo Prevnar13, Placebo GM-CSF Vaccine
Biological · Drug · Other
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Sep 2, 2026, 1:47 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Prospective Trial of Vaccine Responses Against Pneumococcus and Influenza in Adult Cancer Patients 65 Years of Age and Older

NCT00741039
View directory record Official record
Conditions
Breast Cancer, Lung Cancer, Prostate Cancer
Interventions
inactivated influenza vaccine and the 23- valent pneumococcal vaccine, inactivated influenza vaccine and the PPV23 vaccine (Pneumovax)
Biological
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
65 Years and older
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 19, 2015 · Synced Sep 2, 2026, 1:47 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 3, 2018 · Synced Sep 2, 2026, 1:47 PM EDT
Completed Phase 3 Interventional Results available

A Clinical Study of the V116 Vaccine for Children and Teenagers (V116-013)

NCT06177912
View directory record Official record
Conditions
Pneumococcal Infection
Interventions
V116, PPSV23
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
2 Years to 17 Years
Enrollment
882 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
29
States / cities
Birmingham, Alabama • Phoenix, Arizona • Madera, California + 23 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Sep 2, 2026, 1:47 PM EDT
Active, not recruiting Phase 2 Interventional Results available

Lenalidomide and Vaccine Therapy in Treating Patients With Early-Stage Asymptomatic Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma

NCT01351896
View directory record Official record
Conditions
Ann Arbor Stage I Small Lymphocytic Lymphoma, Ann Arbor Stage II Small Lymphocytic Lymphoma, Chronic Lymphocytic Leukemia, Chronic Lymphocytic Leukemia With Unmutated Immunoglobulin Heavy Chain Variable-Region Gene, Small Lymphocytic Lymphoma, Small Lymphocytic Lymphoma With Unmutated Immunoglobulin Heavy Chain Variable-Region Gene, Stage 0 Chronic Lymphocytic Leukemia, Stage I Chronic Lymphocytic Leukemia, Stage II Chronic Lymphocytic Leukemia
Interventions
Biospecimen Collection, Bone Marrow Aspiration, Bone Marrow Biopsy, Computed Tomography, Lenalidomide, Pneumococcal Polyvalent Vaccine
Procedure · Drug · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 79 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Sep 2, 2026, 1:47 PM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

A Study to Learn About How a New Pneumococcal Vaccine Works in Infants

NCT06524414
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
PG4, 20-valent pneumococcal conjugate vaccine (20vPnC), 15-valent pneumococcal conjugate vaccine (PCV15)
Biological
Lead sponsor
Pfizer
Industry
Eligibility
42 Days to 98 Days
Enrollment
605 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
61
States / cities
Fayetteville, Arkansas • Jonesboro, Arkansas • La Puente, California + 39 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Sep 2, 2026, 1:47 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Pneumococcal Post-Vaccination Titers

NCT02726347
View directory record Official record
Conditions
Smokers, Elderly, Asthma, COPD, Recurrent Infections
Interventions
PPV-23
Biological
Lead sponsor
National Jewish Health
Other
Eligibility
19 Years to 80 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 13, 2017 · Synced Sep 2, 2026, 1:47 PM EDT
Completed Phase 3 Interventional Results available

Study Evaluating Persistence Of Antibody Response Elicited By 13vPnC In Healthy Adults Previously Vaccinated

NCT01025336
View directory record Official record
Conditions
Healthy
Interventions
Blood draw
Other
Lead sponsor
Pfizer
Industry
Eligibility
60 Years and older
Enrollment
962 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
29
States / cities
Chandler, Arizona • Phoenix, Arizona • Denver, Colorado + 25 more
Source: ClinicalTrials.gov public record
Updated Jun 19, 2012 · Synced Sep 2, 2026, 1:47 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Mechanisms of Impaired HIV-associated B Cell and Pneumococcal Vaccine Responses

NCT02012309
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 Sep 2, 2026, 1:47 PM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

Study to Learn About Safety, Tolerability, and Immune Response of a Catch-up Pneumococcal Vaccine in Children and Adolescents

NCT07660198
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
PG4, 20-valent pneumococcal conjugate vaccine (20vPnC)
Biological
Lead sponsor
Pfizer
Industry
Eligibility
15 Months to 17 Years
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
57
States / cities
Birmingham, Alabama • Guntersville, Alabama • Fair Oaks, California + 37 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 2, 2026, 1:47 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Vaccination Responses in Young and Older Adults

NCT02654704
View directory record Official record
Conditions
Individuality, Healthy, Asthma, Immune System and Related Disorders
Interventions
Pneumococcal Vaccination
Biological
Lead sponsor
Michigan State University
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
East Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 28, 2020 · Synced Sep 2, 2026, 1:47 PM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers Results available

Pneumococcal Conjugate Vaccine in Aging Renal Transplant

NCT03802994
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 Sep 2, 2026, 1:47 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Trial to Evaluate the Safety and Immunogenicity of a Multivalent Pneumococcal Conjugate Vaccine in Adults 60 Through 64 Years of Age

NCT03313037
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
Multivalent, Prevnar 13, PPSV23, Saline
Biological · Other
Lead sponsor
Pfizer
Industry
Eligibility
60 Years to 64 Years
Enrollment
444 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
14
States / cities
Anaheim, California • Coral Gables, Florida • DeLand, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Dec 25, 2019 · Synced Sep 2, 2026, 1:47 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 23, 2015 · Synced Sep 2, 2026, 1:47 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Safety, Tolerability, and Immunogenicity of VAX-31 in Adults ≥50 Years With Immunobridging to Adults 18-49

NCT07284654
View directory record Official record
Conditions
Pneumococcal Vaccines
Interventions
31 valent pneumococcal conjugate vaccine, PCV20, PCV21
Biological
Lead sponsor
Vaxcyte, Inc.
Industry
Eligibility
18 Years and older
Enrollment
4,049 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
30
States / cities
Birmingham, Alabama • Chinle, Arizona • Whiteriver, Arizona + 27 more
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 2, 2026, 1:47 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of Short-term Atorvastatin Treatment on Immune Responses to Pneumovax 23

NCT02097589
View directory record Official record
Conditions
Healthy Controls
Interventions
Atorvastatin, Pneumovax 23, Placebo (lactose pill)
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 40 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 27, 2015 · Synced Sep 2, 2026, 1:47 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety of Hib-MenCY-TT Vaccine Versus Licensed Hib Conjugate Vaccine, Given at 12 to 15 Months of Age.

NCT00345683
View directory record Official record
Conditions
Haemophilus Influenzae Type b, Neisseria Meningitidis
Interventions
GSK Biologicals' Haemophilus influenzae type b and Neisseria meningitidis serogroups C and Y-tetanus toxoid conjugate vaccine combined (792014), PedvaxHIB, Prevnar, M-M-R II, Varivax
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Months to 15 Months
Enrollment
4,021 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
55
States / cities
Birmingham, Alabama • Benton, Arkansas • Jonesboro, Arkansas + 45 more
Source: ClinicalTrials.gov public record
Updated Nov 28, 2016 · Synced Sep 2, 2026, 1:47 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

A Phase 2 Study to Evaluate the Safety, Tolerability, and Immune Response of AFX3772 Vaccine in Healthy Infants

NCT05412030
View directory record Official record
Conditions
Pneumonia, Bacterial, Pneumococcal Infections, Pneumonia, Pneumococcal
Interventions
AFX3772, Prevnar 13, Prevnar 20
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
42 Days to 90 Days
Enrollment
388 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
42
States / cities
Jonesboro, Arkansas • Los Angeles, California • Miami, Florida + 35 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Sep 2, 2026, 1:47 PM EDT
Completed No phase listed Observational

A Study To Examine Serologic Response In Hospitalized Patients Receiving Polyvalent Pneumococcal Vaccine

NCT00955851
View directory record Official record
Conditions
Pneumonia
Interventions
Pre and post vaccination titers
Other
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 29, 2010 · Synced Sep 2, 2026, 1:47 PM EDT