- Conditions
- Pneumococcal Disease
- Interventions
- PG4 Multivalent Vaccine, 20 Valent Pneumococcal Conjugate Vaccine (20vPnC)
- Biological
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years to 49 Years
- Enrollment
- 4,670 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026 – 2027
- U.S. locations
- 25
- States / cities
- Lake Forest, California • Walnut Creek, California • Milford, Connecticut + 20 more
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–7
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- 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
- Conditions
- Pneumococcal Disease
- Interventions
- PG4, 20-valent pneumococcal conjugate vaccine (20vPnC)
- Biological
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 42 Days to 211 Days
- Enrollment
- 3,230 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026 – 2029
- U.S. locations
- 79
- States / cities
- Birmingham, Alabama • Centreville, Alabama • Fayetteville, Arkansas + 57 more
- 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
- 21
- States / cities
- Estero, Florida • Fort Lauderdale, Florida • Fort Myers, Florida + 14 more
- Conditions
- Streptococcus Pneumoniae
- Interventions
- PG4 vaccine in Buffer 1 with low dose PA-001, PG4 in Buffer 1 with low dose PA-002, PG4 in Buffer 1 with high dose PA-001, PG4 vaccine in Buffer 1 with high dose PA-002, PG4 vaccine in Buffer 2, 20-valent pneumococcal conjugate vaccine, Saline injection
- Biological
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 65 Years to 84 Years
- Enrollment
- 380 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2027
- U.S. locations
- 20
- States / cities
- Lake Forest, California • Rolling Hills Estates, California • Greenacres City, Florida + 13 more
- Conditions
- Pneumococcal Disease
- Interventions
- PG4, 20-valent pneumococcal conjugate vaccine (20vPnC)
- Biological
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 15 Months to 17 Years
- Enrollment
- 1,200 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026 – 2027
- U.S. locations
- 57
- States / cities
- Birmingham, Alabama • Guntersville, Alabama • Fair Oaks, California + 37 more
- Conditions
- Pneumococcal Disease
- Interventions
- PG4, 20-valent pneumococcal conjugate vaccine (20vPnC)
- Biological
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 12 Months to 15 Months
- Enrollment
- 225 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2026
- U.S. locations
- 35
- States / cities
- Washington D.C., District of Columbia • Miami, Florida • Chamblee, Georgia + 18 more