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Showing 1–24 of 244 matching trials from the live ClinicalTrials.gov search.
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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 16, 2016 · Synced Sep 11, 2026, 12:16 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of V114 in Healthy Adults (V114-019/PNEU-AGE)

NCT03950622
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
V114, Prevnar 13®
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
50 Years and older
Enrollment
1,205 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
14
States / cities
Mesa, Arizona • San Diego, California • Hialeah, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 25, 2021 · Synced Sep 11, 2026, 12:16 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Trial to Evaluate the Safety and Immunogenicity of a Multivalent Pneumococcal Vaccine in Healthy Infants

NCT03512288
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
Multivalent, 13vPnC
Biological
Lead sponsor
Pfizer
Industry
Eligibility
42 Days to 98 Days
Enrollment
460 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
39
States / cities
Fayetteville, Arkansas • Downey, California • Huntington Beach, California + 29 more
Source: ClinicalTrials.gov public record
Updated Mar 1, 2021 · Synced Sep 11, 2026, 12:16 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 Jun 1, 2026 · Synced Sep 11, 2026, 12:16 PM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

BEATRIX: A Study to Learn About a Group B Streptococcus Vaccine in Healthy Pregnant Women and Their Babies

NCT07160244
View directory record Official record
Conditions
Healthy
Interventions
Multivalent Group B streptococcus vaccine, Placebo, Infanrix hexa, Prevenar 20, Pediarix, Prevnar 20, Infanrix
Biological
Lead sponsor
Pfizer
Industry
Eligibility
1 Day to 49 Years
Enrollment
6,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
119
States / cities
Birmingham, Alabama • Dothan, Alabama • Mobile, Alabama + 57 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 11, 2026, 12:16 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 3, 2019 · Synced Sep 11, 2026, 12:16 PM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Effects of Rituximab on Immune Responses in Subjects With Active Rheumatoid Arthritis Receiving Background Methotrexate

NCT00282308
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Rituximab, Methotrexate, Methylprednisone, C. albicans, Tetanus toxoid adsorbed booster vaccine, 23-valent pneumococcal polysaccharide vaccine, Keyhole limpet hemocyanin
Drug · Biological
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
34
States / cities
Birmingham, Alabama • Paradise Valley, Arizona • Peoria, Arizona + 27 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2017 · Synced Sep 11, 2026, 12:16 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Study of a 4-Dose Regimen of a 21-valent Pneumococcal Conjugate Vaccine in Healthy Infants From Approximately 2 Months of Age

NCT06736041
View directory record Official record
Conditions
Pneumococcal Immunization
Interventions
PCV21 vaccine, Prevnar 20 vaccine, M-M-R II vaccine, RotaTeq, Vaxelis vaccine, Varivax, Hexaxim Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
42 Days to 89 Days
Enrollment
1,714 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
66
States / cities
Glendale, Arizona • Tucson, Arizona • Fayetteville, Arkansas + 48 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Sep 11, 2026, 12:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety Study of a Single Dose of Pneumococcal Whole-Cell Vaccine in Healthy Adults

NCT07059182
View directory record Official record
Conditions
PREVENTION OF INVASIVE PNEUMOCOCCAL DISEASE, Prevention of Pneumococcal-induced Acute Otitis Media
Interventions
Inactivated whole-cell Streptococcus pneumoniae vaccine, Placebo
Biological · Drug
Lead sponsor
Serum Life Science Europe GmbH
Industry
Eligibility
18 Years to 49 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Oct 23, 2025 · Synced Sep 11, 2026, 12:16 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 28, 2026 · Synced Sep 11, 2026, 12:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Analysis of the Mechanisms of Protective Humoral Immunity in Response to the Pneumococcal Vaccine

NCT00589394
View directory record Official record
Conditions
Healthy
Interventions
pneumococcal vaccination (Pneumovax)
Biological
Lead sponsor
Mayo Clinic
Other
Eligibility
20 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 10, 2016 · Synced Sep 11, 2026, 12:16 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 11, 2026, 12:16 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 2, 2026 · Synced Sep 11, 2026, 12:16 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

20-valent Pneumococcal Conjugate Vaccine Safety Study in Healthy Infants

NCT04379713
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
20-valent pneumococcal conjugate vaccine, 13-valent pneumococcal conjugate vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
42 Days to 98 Days
Enrollment
1,511 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
41
States / cities
Tucson, Arizona • Fullerton, California • Oxnard, California + 33 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2023 · Synced Sep 11, 2026, 12:16 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 25, 2024 · Synced Sep 11, 2026, 12:16 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 11, 2026, 12:16 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 28, 2020 · Synced Sep 11, 2026, 12:16 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Study Evaluating Pneumococcal Vaccine in Healthy Infants

NCT00205803
View directory record Official record
Conditions
Healthy Subjects, Pneumococcal Infections
Interventions
13-Valent Pneumococcal Conjugate Vaccine (13vPnC), 7-Valent Pneumococcal Conjugate Vaccine (7vPnC)
Biological
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
42 Days to 98 Days
Enrollment
249 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 14, 2012 · Synced Sep 11, 2026, 12:16 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 Sep 2, 2026 · Synced Sep 11, 2026, 12:16 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 11, 2026, 12:16 PM EDT
Recruiting Phase 2 Interventional

Pneumococcal Pneumonia Vaccine Series (PCV20 and PPSV23) in Patients With Chronic Lymphocytic Leukemia Associated Immunodeficiency, PROTECT CLL Trial

NCT05183854
View directory record Official record
Conditions
Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
Interventions
Pneumococcal 20-valent Conjugate Vaccine, Pneumococcal Polyvalent Vaccine
Biological
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 11, 2026, 12:16 PM EDT
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 11, 2026, 12:16 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety, Tolerability, Immunogenicity, and Lot Consistency of V116 in Adults 18 to 49 Years of Age (V116-004, STRIDE-4)

NCT05464420
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
V116, PPSV23
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 49 Years
Enrollment
2,162 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
30
States / cities
Mesa, Arizona • Tempe, Arizona • Little Rock, Arkansas + 27 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2024 · Synced Sep 11, 2026, 12:16 PM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate Tolerability, Safety and Immunogenicity of MVX01 Pneumococcal Vaccine

NCT06337643
View directory record Official record
Conditions
Pneumococcal Vaccine
Interventions
MVX01, MVX01 Placebo
Biological
Lead sponsor
Matrivax Research and Development Corporation
Industry
Eligibility
18 Years to 75 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
2
States / cities
Savannah, Georgia • Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 28, 2024 · Synced Sep 11, 2026, 12:16 PM EDT