Trial to Evaluate the Safety and Immunogenicity of 3 Lots of 20-valent Pneumococcal Conjugate Vaccine in Pneumococcal Vaccine-Naïve Adults
Public ClinicalTrials.gov record NCT03828617. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A PHASE 3, RANDOMIZED, DOUBLE-BLIND TRIAL TO EVALUATE THE SAFETY AND IMMUNOGENICITY OF 3 LOTS OF 20-VALENT PNEUMOCOCCAL CONJUGATE VACCINE IN PNEUMOCOCCAL VACCINE-NAÏVE ADULTS 18 THROUGH 49 YEARS OF AGE
Study identification
- NCT ID
- NCT03828617
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Pfizer
- Industry
- Enrollment
- 1,710 participants
Conditions and interventions
Conditions
Interventions
- 20vPnC Biological
- 13vPnC Biological
Biological
Eligibility (public fields only)
- Age range
- 18 Years to 49 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 13, 2019
- Primary completion
- Oct 8, 2019
- Completion
- Oct 8, 2019
- Last update posted
- Nov 22, 2020
2019
United States locations
- U.S. sites
- 21
- U.S. states
- 13
- U.S. cities
- 19
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Anaheim Clinical Trials, LLC | Anaheim | California | 92801 | — |
| Kaiser Permanente Sacramento | Sacramento | California | 95815 | — |
| Kaiser Permanente South Sacramento | Sacramento | California | 95823 | — |
| Kaiser Permanente San Jose | San Jose | California | 95119 | — |
| Kaiser Permanente Santa Clara | Santa Clara | California | 95051 | — |
| Accel Research Sites - Clinical Research Unit | DeLand | Florida | 32720 | — |
| Research Centers of America, LLC | Hollywood | Florida | 33024 | — |
| Clinical Research Atlanta | Stockbridge | Georgia | 30281 | — |
| East West Medical Research Institute | Honolulu | Hawaii | 96814 | — |
| Heartland Research Associates, LLC | Wichita | Kansas | 67207 | — |
| Kentucky Pediatric/Adult Research | Bardstown | Kentucky | 40004 | — |
| Meridian Clinical Research, LLC | Norfolk | Nebraska | 68701 | — |
| Meridian Clinical Research, LLC | Omaha | Nebraska | 68134 | — |
| Rochester Clinical Research, Inc. | Rochester | New York | 14609 | — |
| M3 Wake Research, Inc. | Raleigh | North Carolina | 27612 | — |
| PMG Research of Wilmington, LLC | Wilmington | North Carolina | 28401 | — |
| Omega Medical Research | Warwick | Rhode Island | 02886 | — |
| Meridian Clinical Research, LLC | Dakota Dunes | South Dakota | 57049 | — |
| Benchmark Research | Austin | Texas | 78705 | — |
| J. Lewis Research, Inc. /Foothill Family Clinic | Salt Lake City | Utah | 84109 | — |
| J. Lewis Research, Inc. /Foothill Family Clinic South | Salt Lake City | Utah | 84121 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03828617, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Nov 22, 2020 · Synced Jul 21, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03828617 live on ClinicalTrials.gov.