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ClinicalTrials.gov public records Last synced Oct 7, 2026, 8:03 AM EDT

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Showing 49–72 of 156 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Vaccines, Pneumococcal Conjugate Vaccine Clear all
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety of Pediatric Vaccines When Administered With Menactra® in Healthy Toddlers

NCT00422292
View directory record Official record
Conditions
Meningococcal Meningitis, Measles, Mumps, Rubella, Varicella
Interventions
Meningococcal Polysaccharide Diphtheria Conjugate Vaccine, Measles, Mumps, Rubella and Varicella
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
9 Months to 12 Months
Enrollment
1,664 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
87
States / cities
Tuscaloosa, Alabama • Tucson, Arizona • Jonesboro, Arkansas + 74 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 7, 2026, 8:03 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Evaluation of a Vaccine for Reducing Ear and Lung Infections in Children

NCT01545375
View directory record Official record
Conditions
Infections, Streptococcal
Interventions
Pneumococcal vaccine GSK2189242A, Placebo, Prevnar 13®, PedvaxHIB®
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Weeks to 12 Weeks
Enrollment
1,806 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
5
States / cities
Chinle, Arizona • Fort Defiance, Arizona • Whiteriver, Arizona + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 27, 2019 · Synced Oct 7, 2026, 8:03 AM EDT
Completed Phase 4 Interventional

Study to Evaluate the Immune Response to Pneumococcal Vaccine in Alefacept-treated Adults With Chronic Plaque Psoriasis

NCT00493324
View directory record Official record
Conditions
Chronic Plaque Psoriasis
Interventions
alefacept, polyvalent pneumococcal vaccine
Drug
Lead sponsor
Astellas Pharma Inc
Industry
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
5
States / cities
Birmingham, Alabama • San Diego, California • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2012 · Synced Oct 7, 2026, 8:03 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of V116 in Adults With Increased Risk for Pneumococcal Disease (V116-008)

NCT05696080
View directory record Official record
Conditions
Pneumococcal Infection
Interventions
V116, Placebo, PCV15, PPSV23
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 64 Years
Enrollment
518 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
8
States / cities
Mesa, Arizona • Hialeah, Florida • West Palm Beach, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Oct 7, 2026, 8:03 AM EDT
Active, not recruiting Not applicable Interventional

Pneumococcal Conjugate Vaccine 13 (Prevnar13®) in Children Who Are Solid Organ Transplant Recipients (SOT)

NCT01527591
View directory record Official record
Conditions
Infection in Solid Organ Transplant Recipients
Interventions
Pneumococcal Conjugate Vaccine 13 (PCV13)
Biological
Lead sponsor
University of California, Los Angeles
Other
Eligibility
12 Months to 59 Months
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Oct 7, 2026, 8:03 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Phase IIb, Open-Label, Dose Ranging Study of 13-Valent Pneumococcal Conjugate Vaccine in Adults 55 Through 74 Years of Age Previously Vaccinated With 23-Valent Pneumococcal Polysaccharide Vaccine

NCT01654263
View directory record Official record
Conditions
Pneumococcal Infection
Interventions
Pneumococcal 13-valent Conjugate Vaccine [Diphtheria CRM197 Protein]
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
55 Years to 74 Years
Enrollment
884 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
7
States / cities
Decatur, Georgia • Iowa City, Iowa • St Louis, Missouri + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2017 · Synced Oct 7, 2026, 8:03 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Safety and Immunogenicity of a Multivalent Pneumococcal Vaccine Given With Prevnar 13 in Healthy Infants

NCT03550313
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 30, 2021 · Synced Oct 7, 2026, 8:03 AM EDT
Recruiting Phase 1Phase 2 Interventional

Modified Immune Cells (Autologous Dendritic Cells) and a Vaccine (Prevnar) Combined With Immune Checkpoint Inhibition After High-Dose External Beam Radiation Therapy in Treating Patients With Unresectable Liver Cancer

NCT03942328
View directory record Official record
Conditions
Stage III Hepatocellular Carcinoma AJCC v8, Stage III Intrahepatic Cholangiocarcinoma AJCC v8, Stage IV Hepatocellular Carcinoma AJCC v8, Stage IV Intrahepatic Cholangiocarcinoma AJCC v8, Unresectable Hepatocellular Carcinoma, Unresectable Intrahepatic Cholangiocarcinoma
Interventions
Atezolizumab, Bevacizumab, External Beam Radiation Therapy, Pheresis, Pneumococcal 13-valent Conjugate Vaccine, Therapeutic Autologous Dendritic Cells, Durvalumab, Esophagogastroduodenoscopy, Computed Tomography, Positron Emission Tomography, Magnetic Resonance Imaging, Biopsy Procedure, Biospecimen Collection
Biological · Radiation · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2030
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 7, 2026, 8:03 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study Evaluating the Safety, Tolerability and Immunogenicity of 13vPnC as a 2-Dose Regimen or With 23vPS

NCT00574548
View directory record Official record
Conditions
Pneumococcal Vaccines
Interventions
13 valent Pneumococcal Conjugate Vaccine, 23-valent Pneumococcal Polysaccharide Vaccine
Biological
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
60 Years to 64 Years
Enrollment
720 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
6
States / cities
Chandler, Arizona • Pembroke Pines, Florida • Boise, Idaho + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2011 · Synced Oct 7, 2026, 8:03 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Effectiveness of the Pneumococcal Polysaccharide Vaccine in Military Recruits

NCT02079701
View directory record Official record
Conditions
Pneumonia, Acute Respiratory Disease
Interventions
23-valent pneumococcal vaccine, Placebo
Biological
Lead sponsor
Naval Health Research Center
Federal
Eligibility
Not listed
Enrollment
152,723 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2007
U.S. locations
5
States / cities
San Diego, California • Great Lakes, Illinois • Fort Leonard Wood, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2014 · Synced Oct 7, 2026, 8:03 AM 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 10, 2013 · Synced Oct 7, 2026, 8:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Learn About a Type of Pneumococcal Vaccine With a New Ingredient (PF-07872411) Intended to Enhance the Effects of the Vaccine Which is Given to Adults

NCT05831124
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 29, 2024 · Synced Oct 7, 2026, 8:03 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Concomitant Administration of 13-valent Pneumococcal Conjugate Vaccine (13vPnC) With Influenza Vaccine in 23-valent Pneumococcal Polysaccharide (23vPS) Pre-vaccinated Adults.

NCT02124161
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 Jul 1, 2016 · Synced Oct 7, 2026, 8:03 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immune Response & Safety of a Hepatitis A Vaccine Given Together With a Pneumococcal Vaccine in Healthy Children 15 m of Age

NCT00197002
View directory record Official record
Conditions
Hepatitis A
Interventions
GSK Biologicals 2-dose inactivated hepatitis A vaccine (Havrix), Prevnar™
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Months to 13 Months
Enrollment
521 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
18
States / cities
Centennial, Colorado • Bardstown, Kentucky • Louisville, Kentucky + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2018 · Synced Oct 7, 2026, 8:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Enhancing a Sustainable Pharmacy-based Immunization Program in Two States

NCT02615470
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 20, 2019 · Synced Oct 7, 2026, 8:03 AM EDT
Completed Phase 4 Interventional Results available

Assessing the Use of Certolizumab Pegol in Adult Subjects With Rheumatoid Arthritis on the Antibody Response When Receiving Influenza Virus and Pneumococcal Vaccines

NCT00993668
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Placebo, Certolizumab pegol
Other · Biological
Lead sponsor
UCB Pharma
Industry
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
41
States / cities
Birmingham, Alabama • Huntsville, Alabama • Tuscaloosa, Alabama + 38 more
Source: ClinicalTrials.gov public record
Updated Aug 1, 2018 · Synced Oct 7, 2026, 8:03 AM EDT
Recruiting Phase 3 Interventional

Study of a Single Dose of a 21-valent Pneumococcal Conjugate Vaccine in Children and Adolescents With Sickle Cell Disease

NCT07247188
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
PCV21, 20vPCV
Biological
Lead sponsor
Sanofi
Industry
Eligibility
2 Years to 17 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
5
States / cities
Atlanta, Georgia • Omaha, Nebraska • New Brunswick, New Jersey + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 7, 2026, 8:03 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

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

NCT06531538
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
PG4, 20-valent pneumococcal conjugate vaccine (20vPnC)
Biological
Lead sponsor
Pfizer
Industry
Eligibility
12 Months to 15 Months
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
35
States / cities
Washington D.C., District of Columbia • Miami, Florida • Chamblee, Georgia + 18 more
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Oct 7, 2026, 8:03 AM 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 7, 2026, 8:03 AM 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 31, 2026 · Synced Oct 7, 2026, 8:03 AM 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 13, 2017 · Synced Oct 7, 2026, 8:03 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety, Tolerability, and Immunogenicity of V110 or V114 Co-administered With a Booster Dose of mRNA-1273 in Healthy Adults (V110-911)

NCT05158140
View directory record Official record
Conditions
Pneumococcal Infection
Interventions
V110, V114, mRNA-1273, Placebo for V110, Placebo for V114
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
50 Years and older
Enrollment
850 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
42
States / cities
North Hollywood, California • Northridge, California • Paramount, California + 38 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2025 · Synced Oct 7, 2026, 8:03 AM EDT
Completed Phase 4 Interventional Results available

Pneumococcal Vaccines in Patients With Asthma

NCT03260790
View directory record Official record
Conditions
Asthma
Interventions
PCV13, PPSV23
Biological
Lead sponsor
Mayo Clinic
Other
Eligibility
19 Years to 64 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 5, 2021 · Synced Oct 7, 2026, 8:03 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Pneumococcal Conjugate Vaccination in HIV in Comparison to Polysaccharide Vaccine Boosting

NCT00622843
View directory record Official record
Conditions
HIV Infections, Streptococcus Pneumoniae
Interventions
pneumococcal conjugate vaccine, pneumococcal polysaccharide vaccine
Biological
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
275 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2013
U.S. locations
6
States / cities
San Diego, California • Washington D.C., District of Columbia • Tripler AMC, Hawaii + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2025 · Synced Oct 7, 2026, 8:03 AM EDT