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ClinicalTrials.gov public records Last synced Oct 4, 2026, 9:38 AM EDT

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Showing 97–120 of 249 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Pneumococcal Conjugate 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, 9:38 AM 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, 9:38 AM 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, 9:38 AM 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, 9:38 AM 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 20, 2012 · Synced Oct 4, 2026, 9:38 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 4, 2026, 9:38 AM 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, 9:38 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 4, 2026, 9:38 AM 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 4, 2026, 9:38 AM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

A Study on the Immune Response and Safety of an Investigational Chickenpox Vaccine When Given to Healthy Children 12 to 15 Months of Age

NCT06740630
View directory record Official record
Conditions
Chickenpox
Interventions
Investigational varicella vaccine_Lot 1, Investigational varicella vaccine_Lot 2, Investigational varicella vaccine_Lot 3, Marketed varicella vaccine_Lot 1, Marketed varicella vaccine_Lot 2, MMR vaccine, Hepatitis A vaccine, PCV (pneumococcal conjugate vaccine) 13, PCV 20, Vaxneuvance
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Months to 15 Months
Enrollment
1,840 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
59
States / cities
Mobile, Alabama • Hot Springs, Arkansas • Sherwood, Arkansas + 50 more
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Oct 4, 2026, 9:38 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Pneumococcal Conjugate Formulations in Healthy Adults 18 Through 49 Years of Age

NCT05489328
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
Candidate-1, Candidate-2, Candidate-3, Candidate-4, Candidate-5, Candidate-6, Candidate Control, 13vPnC, PCV15
Other · Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 49 Years
Enrollment
394 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
18
States / cities
Tustin, California • Walnut Creek, California • Milford, Connecticut + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced Oct 4, 2026, 9:38 AM 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, 9:38 AM 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, 9:38 AM 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 4, 2026, 9:38 AM 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, 9:38 AM 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, 9:38 AM EDT
Active, not recruiting Phase 3 Interventional

Long-term Safety, Tolerability and Effectiveness Study of Ofatumumab in Patients With Relapsing MS

NCT03650114
View directory record Official record
Conditions
Relapsing Multiple Sclerosis
Interventions
Ofatumumab, Tetanus toxoid (TT) containing vaccine (Td, Tdap), 13-valent pneumococcal conjugate vaccine (13-PCV), 23-valent pneumococcal polysaccharide vaccine (23-PPV), Seasonal Quadrivalent influenza vaccine, Keyhole limpet hemocyanin (KLH) neo-antigen
Biological
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
1,882 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
86
States / cities
Birmingham, Alabama • Cullman, Alabama • Phoenix, Arizona + 74 more
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Oct 4, 2026, 9:38 AM 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 29, 2020 · Synced Oct 4, 2026, 9:38 AM 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 11, 2026 · Synced Oct 4, 2026, 9:38 AM 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, 9:38 AM 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, 9:38 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 4, 2026, 9:38 AM 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, 9:38 AM EDT
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 4, 2026, 9:38 AM EDT