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ClinicalTrials.gov public records Last synced Sep 3, 2026, 8:39 PM EDT

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Showing 1–24 of 26 matching trials from the live ClinicalTrials.gov search.
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Conditions
Pneumococcal Vaccines
Interventions
0.5 ml dose of 1.1 mcg VAX-24, 0.5 ml dose of PCV20, 0.5 ml dose of 2.2 mcg VAX-24, 0.5 ml dose of 2.2/4.4 mcg VAX-24
Biological
Lead sponsor
Vaxcyte, Inc.
Industry
Eligibility
42 Days to 89 Days
Enrollment
802 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
32
States / cities
Jonesboro, Arkansas • Madera, California • Tampa, Florida + 22 more
Conditions
Lymphoma
Interventions
PCV20
Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Houston, Texas
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
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSVPreF3 OA investigational vaccine, PCV20
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
60 Years and older
Enrollment
1,113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
20
States / cities
Guntersville, Alabama • Phoenix, Arizona • Huntington Beach, California + 17 more
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
Conditions
Pneumococcal Vaccines
Interventions
0.5 mL of the low dose VAX-31, 0.5 mL of the mid dose VAX-31, 0.5 mL of the high dose VAX-31, 0.5 mL dose of PCV20, 0.5 mL of the High-PFS dose VAX-31
Biological
Lead sponsor
Vaxcyte, Inc.
Industry
Eligibility
42 Days to 89 Days
Enrollment
900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
45
States / cities
Jonesboro, Arkansas • Gardena, California • Los Angeles, California + 32 more
Conditions
Infections, Meningococcal
Interventions
Bexsero (GSK Biologicals' Meningococcal group-B vaccine/ rMenB+OMV NZ), Prevnar13, Pediarix, Hiberix, Rotarix, M-M-R II, Varivax, Placebo (saline water), Prevnar 20
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Weeks to 12 Weeks
Enrollment
1,196 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
56
States / cities
Birmingham, Alabama • Fayetteville, Arkansas • Jonesboro, Arkansas + 47 more
Conditions
Pneumococcal Vaccines
Interventions
31-valent pneumococcal conjugate vaccine, PCV20
Biological
Lead sponsor
Vaxcyte, Inc.
Industry
Eligibility
50 Years and older
Enrollment
752 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
30
States / cities
Chinle, Arizona • Phoenix, Arizona • Whiteriver, Arizona + 27 more
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of V116 in Pneumococcal Vaccine-naïve Adults (V116-003, STRIDE-3)

NCT05425732
Conditions
Pneumococcal Infection
Interventions
V116, PCV20
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
2,663 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
60
States / cities
Birmingham, Alabama • Glendale, Arizona • Mesa, Arizona + 52 more
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
Recruiting Phase 4 Interventional Accepts healthy volunteers

Vaccine Immunity and Inflammation in the Aging Person Living With HIV

NCT06514547
Conditions
HIV Infections, Age
Interventions
Conjugate Pneumococcal Vaccine 20 (PCV20)
Biological
Lead sponsor
Hennepin Healthcare Research Institute
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Community-Acquired Pneumonia (CAP)
Interventions
Not listed
Lead sponsor
Pfizer
Industry
Eligibility
65 Years and older
Enrollment
22,234,435 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Conditions
Pneumococcal Vaccines
Interventions
31 valent pneumococcal conjugate vaccine, 20 valent pneumococcal conjugate vaccine
Biological
Lead sponsor
Vaxcyte, Inc.
Industry
Eligibility
50 Years and older
Enrollment
1,015 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
25
States / cities
Mobile, Alabama • Phoenix, Arizona • Hollywood, Florida + 22 more
Conditions
Pneumococcal Vaccines
Interventions
24 valent pneumococcal conjugate vaccine, 20 valent pneumococcal conjugate vaccine
Biological
Lead sponsor
Vaxcyte, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
835 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
13
States / cities
Hollywood, Florida • Sunrise, Florida • Savannah, Georgia + 10 more
Conditions
Alpha 1-Antitrypsin, COPD, Antibody Deficiency
Interventions
20-valent pneumococcal conjugate vaccine
Biological
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
Interventions
Pneumococcal 20-valent Conjugate Vaccine, Pneumococcal Polyvalent Vaccine
Biological
Lead sponsor
Seema Bhat
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
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
Conditions
Chickenpox
Interventions
Candidate varicella vaccine, Marketed varicella vaccine, 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
911 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
13
States / cities
Tucson, Arizona • Huntington Park, California • Sherman Oaks, California + 10 more
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
Conditions
Pneumococcal Infection
Interventions
V118C (Stage 1), V118C (Stage 2), PCV20 (Stage 1), PCV20 (Stage 2)
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
2 Months to 15 Months
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
14
States / cities
Madera, California • Miami, Florida • Tampa, Florida + 11 more
Not yet recruiting Phase 4 Interventional

The INTERvening for LUNG Health Trial

NCT07540000
Conditions
Spirometry
Interventions
Community health worker-delivered multi-component respiratory health intervention
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
9 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Pneumococcal Vaccines
Interventions
24-Valent Pneumococcal Conjugate Vaccine, Pneumococcal 20-valent Conjugate Vaccine
Biological
Lead sponsor
Vaxcyte, Inc.
Industry
Eligibility
65 Years and older
Enrollment
207 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
20
States / cities
Birmingham, Alabama • DeLand, Florida • Hollywood, Florida + 17 more
Conditions
Community-Acquired Pneumonia (CAP)
Interventions
Receipt of PCV20
Biological
Lead sponsor
Pfizer
Industry
Eligibility
19 Years and older
Enrollment
846,279 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
New York, New York
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