Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Nov 14, 2026, 10:16 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–36 of 36 matching trials from the live ClinicalTrials.gov search.
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
Conditions
Haemophilus Influenzae Type b
Interventions
GSK Biologicals' Haemophilus influenzae type b vaccine (GSK 208108), ActHIB™, Pentacel™, Pediarix™, Prevnar 13™, Rotarix™, Engerix™-B, Infanrix™
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Weeks to 12 Weeks
Enrollment
4,003 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
63
States / cities
Dothan, Alabama • Benton, Arkansas • Fayetteville, Arkansas + 59 more
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

A Study of V118E in Healthy Participants (V118E-003)

NCT07168915
Conditions
Healthy
Interventions
V118E, PREVNAR 20™, Saline
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 49 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
4
States / cities
Hallandale, Florida • South Miami, Florida • Springfield, Missouri + 1 more
Conditions
Pneumococcal Infections
Interventions
Prevnar 13™, V114, RotaTeq™, Pentacel™, RECOMBIVAX HB™, HIBERIX™, M-M-R™ II, VARIVAX™
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
42 Days to 90 Days
Enrollment
900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
22
States / cities
Birmingham, Alabama • Dothan, Alabama • Jonesboro, Arkansas + 16 more
Conditions
Pneumococcal Immunization, Healthy Volunteers
Interventions
PCV21 vaccine, 20vPCV licensed vaccine
Biological
Lead sponsor
Sanofi
Industry
Eligibility
42 Days to 89 Days
Enrollment
2,195 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
14
States / cities
Fayetteville, Arkansas • Huntington Park, California • Los Angeles, California + 10 more
Conditions
Pneumococcal Immunization
Interventions
PCV21 vaccine, Prevnar 20 vaccine, M-M-R II vaccine, Rotarix, RotaTeq, Vaxelis vaccine, Varivax, Priorix, VAQTA, Havrix
Biological
Lead sponsor
Sanofi
Industry
Eligibility
42 Days to 89 Days
Enrollment
580 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
17
States / cities
Los Angeles, California • Hollywood, Florida • Miami, Florida + 13 more
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
Conditions
Meningitis, Meningococcal
Interventions
Meningococcal ACWY Conjugate Vaccine, DTaP-IPV-HBV, Hib, Rotavirus, Pneumococcal 7-valent Conjugate Vaccine, HAV, MMR-V, DTaP
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
2 Months to 2 Months
Enrollment
4,545 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
53
States / cities
Bessemer, Alabama • Birmingham, Alabama • Downey, California + 43 more
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
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
Conditions
Pneumococcal Disease
Interventions
V116, Placebo, PCV15, PPSV23, PCV15 - Part B
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
313 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
7
States / cities
Phoenix, Arizona • Washington D.C., District of Columbia • Ft. Pierce, Florida + 4 more
Completed Phase 3 Interventional Accepts healthy volunteers Results available

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

NCT03950622
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