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ClinicalTrials.gov public records Last synced Oct 4, 2026, 10:15 PM EDT

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Showing 49–72 of 132 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: polyvalent pneumococcal vaccine Clear all
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 4, 2026, 10:15 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Induction of Cross-protective Antibodies for Serogroup 33 by Pneumococcal Conjugate Vaccines

NCT07135453
View directory record Official record
Conditions
Vaccine, Pneumococcal Disease
Interventions
Pneumococcal Vaccine
Biological
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 4, 2026, 10:15 PM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Safety, Tolerability, and Immunogenicity of V114 in Allogeneic Hematopoietic Stem Cell Transplant Recipients (V114-022/PNEU-STEM)

NCT03565900
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
V114, Prevnar 13™, PNEUMOVAX™23
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
3 Years and older
Enrollment
277 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
13
States / cities
Palo Alto, California • Aurora, Colorado • Gainesville, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2023 · Synced Oct 4, 2026, 10:15 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Trial to Evaluate the Safety and Immunogenicity of a 20-Valent Pneumococcal Vaccine in Adults 65 Years of Age or Older With Prior Pneumococcal Vaccination

NCT03835975
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
13vPnC, PPSV23, 20vPnC
Biological
Lead sponsor
Pfizer
Industry
Eligibility
65 Years and older
Enrollment
875 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
34
States / cities
Mobile, Alabama • Chandler, Arizona • Peoria, Arizona + 26 more
Source: ClinicalTrials.gov public record
Updated Feb 21, 2021 · Synced Oct 4, 2026, 10:15 PM 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 4, 2026, 10:15 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A Study to Learn About the Safety and Immune Response of a New Pneumococcal Vaccine in Adults

NCT06182124
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
Multivalent Pneumococcal Vaccine - Formulation 1, Multivalent Pneumococcal Vaccine - Formulation 2, 20-valent pneumococcal conjugate vaccine (20vPnC), Licensed pneumococcal comparator vaccine, Multivalent Pneumococcal Vaccine - Formulation 3, Multivalent Pneumococcal Vaccine - Formulation 4
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
1,710 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
20
States / cities
Doral, Florida • Hialeah, Florida • Stockbridge, Georgia + 13 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 4, 2026, 10:15 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety, Tolerability, and Immunogenicity of V116 in Pneumococcal Vaccine-experienced Adults (V116-006, STRIDE-6)

NCT05420961
View directory record Official record
Conditions
Pneumonia, Pneumococcal
Interventions
V116, PCV15, PPSV23
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
50 Years and older
Enrollment
717 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
15
States / cities
Birmingham, Alabama • Glendale, Arizona • Tempe, Arizona + 12 more
Source: ClinicalTrials.gov public record
Updated Oct 26, 2024 · Synced Oct 4, 2026, 10:15 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

This Study Will Evaluate the Immunogenicity, Reactogenicity and Safety of the Routine Infant Vaccines Pediarix®, Hiberix® and Prevenar 13® When Co-administered With GlaxoSmithKline (GSK) Biologicals' Liquid Human Rotavirus Vaccine (HRV) as Compared to GSK's Licensed Lyophilized Vaccine

NCT03207750
View directory record Official record
Conditions
Rotavirus Infection, Rotavirus Vaccines
Interventions
Rotarix, Pediarix, Hiberix, Prevenar 13
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Weeks to 12 Weeks
Enrollment
1,280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
47
States / cities
Birmingham, Alabama • Fayetteville, Arkansas • Jonesboro, Arkansas + 40 more
Source: ClinicalTrials.gov public record
Updated Dec 29, 2020 · Synced Oct 4, 2026, 10:15 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Study of the Safety and Immunogenicity of Catch-up Vaccination With a 21-valent Pneumococcal Conjugate Vaccine (PCV21) in Healthy Infants, Toddlers, Children, and Adolescents

NCT06838000
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
PCV21, 20vPCV
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
7 Months to 17 Years
Enrollment
1,268 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
17
States / cities
Paramount, California • Doral, Florida • Hialeah, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced Oct 4, 2026, 10:15 PM EDT
Completed Early Phase 1 Interventional

Vaccine Therapy With or Without Cryosurgery in Treating Patients With Residual, Relapsed, or Refractory B-Cell Non-Hodgkin Lymphoma

NCT01239875
View directory record Official record
Conditions
Cutaneous B-cell Non-Hodgkin Lymphoma, Extranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue, Nodal Marginal Zone B-cell Lymphoma, Adult Diffuse Mixed Cell Lymphoma, Adult Diffuse Small Cleaved Cell Lymphoma, Adult Grade III Lymphomatoid Granulomatosis, Adult Immunoblastic Large Cell Lymphoma, Adult Lymphoblastic Lymphoma, Grade 1 Follicular Lymphoma, Grade 2 Follicular Lymphoma, Grade 3 Follicular Lymphoma, Mantle Cell Lymphoma, Marginal Zone Lymphoma, Small Lymphocytic Lymphoma, Splenic Marginal Zone Lymphoma, Waldenstrom Macroglobulinemia With Nodal Disease
Interventions
dendritic cell vaccine therapy, cryotherapy, pneumococcal polyvalent vaccine, laboratory biomarker analysis, immunoenzyme technique, immunohistochemistry staining method, autologous dendritic cell-tumor fusion vaccine
Biological · Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 14, 2020 · Synced Oct 4, 2026, 10:15 PM EDT
Recruiting Phase 4 Interventional

Vaccine Responses in Patients With B Cell Malignancies

NCT05170399
View directory record Official record
Conditions
Lymphoma
Interventions
AREXVY, ABRYSVO, PREVNAR 20, PNEUMOVAX 23, Heplisav -B, PREVNAR 13, Shingrix
Drug · Biological
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 90 Years
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2036
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Oct 4, 2026, 10:15 PM EDT
Recruiting Phase 2 Interventional

Immunologic Response to Pneumococcal Polysaccharide Vaccine in Splenic Injury Patients

NCT02232191
View directory record Official record
Conditions
Asplenia
Interventions
Pneumovax-23
Biological
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 4, 2026, 10:15 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of a Pneumococcal Conjugate Vaccine When Administered Concomitantly With Routine Pediatric Vaccines in Healthy Toddlers and Infants

NCT04398706
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 8, 2025 · Synced Oct 4, 2026, 10:15 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 4, 2026, 10:15 PM EDT
Completed Phase 1Phase 2 Interventional

Stem Cell Transplant, Chemotherapy, and Biological Therapy in Treating Patients With High-Risk or Refractory Multiple Myeloma

NCT00499577
View directory record Official record
Conditions
Multiple Myeloma and Plasma Cell Neoplasm
Interventions
CMV pp65 peptide, hTERT I540/R572Y/D988Y multipeptide vaccine, pneumococcal polyvalent vaccine, survivin Sur1M2 peptide vaccine
Biological
Lead sponsor
University of Maryland Greenebaum Cancer Center
Other
Eligibility
18 Years to 80 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
2
States / cities
Baltimore, Maryland • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 10, 2014 · Synced Oct 4, 2026, 10:15 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Phase 1/Phase 2 Study of Polyvalent Pneumococcal Conjugate Vaccine (V116) in Adults (V116-001)

NCT04168190
View directory record Official record
Conditions
Pneumonia, Pneumococcal
Interventions
V116, Pneumovax™23
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
20
States / cities
Birmingham, Alabama • Mesa, Arizona • Coral Gables, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 16, 2022 · Synced Oct 4, 2026, 10:15 PM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

A Study to Learn About the Safety of an Expanded Pneumococcal Vaccine in Healthy Infants

NCT07573462
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 98 Days
Enrollment
2,400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
23
States / cities
Estero, Florida • Fort Lauderdale, Florida • Fort Myers, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 4, 2026, 10:15 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Study of 20vPnC When Coadministered With a Booster Dose of BNT162b2

NCT04887948
View directory record Official record
Conditions
Pneumococcal Disease, COVID-19, SARS-CoV-2 Infection
Interventions
20-valent pneumococcal conjugate vaccine (20vPnC), BNT162b2, Saline
Biological · Other
Lead sponsor
Pfizer
Industry
Eligibility
65 Years and older
Enrollment
570 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
27
States / cities
Anaheim, California • Walnut Creek, California • Coral Gables, Florida + 21 more
Source: ClinicalTrials.gov public record
Updated Dec 14, 2022 · Synced Oct 4, 2026, 10:15 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Streptococcus Pneumonia: Effects of PCV13 on Pneumococcal Carriage

NCT01109108
View directory record Official record
Conditions
Nasopharyngeal Carriage of S. Pneumoniae
Interventions
Not listed
Lead sponsor
Boston Medical Center
Other
Eligibility
Not listed
Enrollment
9,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 14, 2017 · Synced Oct 4, 2026, 10:15 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study of a Quadrivalent Meningococcal Tetanus Protein Conjugate Vaccine in Infants and Toddlers

NCT01049035
View directory record Official record
Conditions
Meningitis, Meningococcal Infection
Interventions
Quadrivalent Meningococcal Polysaccharide (A, C, Y, and W-135) Tetanus Protein Conjugate, Diphtheria and Tetanus Toxoids and Acellular Pertussis Adsorbed, Inactivated Poliovirus and Haemophilus B Conjugate (Tetanus Toxoid Conjugate) Vaccine Combined (DTaP-IPV/Hib combined), M-M-RII-Measles, Mumps, and Rubella Virus Vaccine Live, Varicella Virus Vaccine Live, Pneumococcal 7-valent Conjugate Vaccine (Diphtheria CRM197 Protein), Pneumococcal 13-valent Conjugate Vaccine (Diphtheria CRM197 Protein), Rotavirus Vaccine, Hepatitis B Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
42 Days to 365 Days
Enrollment
580 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
25
States / cities
Birmingham, Alabama • Tuscaloosa, Alabama • Jonesboro, Arkansas + 20 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2022 · Synced Oct 4, 2026, 10:15 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety of a Quadrivalent Meningococcal Conjugate Vaccine Administered Concomitantly With Routine Pediatric Vaccines in Healthy Infants and Toddlers

NCT03673462
View directory record Official record
Conditions
Healthy Volunteers (Meningococcal Infection)
Interventions
Meningococcal polysaccharide (serogroups A,C,Y and W) tetanus toxoid Conjugate vaccine (MenACYW Conjugate vaccine), Meningococcal (Groups A, C, Y and W 135) Oligosaccharide Diphtheria CRM197 Conjugate Vaccine (MENVEO®), Diphtheria, Tetanus, Acellular Pertussis, Poliovirus and Haemophilus b Vaccine, Pneumococcal 13-valent Conjugate Vaccine, Rotavirus Vaccine, Hepatitis B Vaccine, Measles, Mumps, and Rubella Virus Vaccine, Varicella Virus Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
42 Days to 89 Days
Enrollment
2,797 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
67
States / cities
Birmingham, Alabama • Dothan, Alabama • Phoenix, Arizona + 56 more
Source: ClinicalTrials.gov public record
Updated Dec 14, 2023 · Synced Oct 4, 2026, 10:15 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 4, 2026, 10:15 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 4, 2026, 10:15 PM EDT
Completed Phase 4 Interventional Results available

Study Response of 13-valent Conjugate Pneumococcal Vaccine in Patients With End Stage Renal Disease

NCT01974817
View directory record Official record
Conditions
End Stage Renal Disease
Interventions
13-valent conjugate pneumococcal vaccine
Biological
Lead sponsor
Michigan State University
Other
Eligibility
50 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 17, 2016 · Synced Oct 4, 2026, 10:15 PM EDT