Trial to Evaluate the Safety and Immunogenicity of a 20-Valent Pneumococcal Vaccine in Adults 65 Years of Age or Older With Prior Pneumococcal Vaccination
Public ClinicalTrials.gov record NCT03835975. 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, OPEN-LABEL TRIAL TO EVALUATE THE SAFETY AND IMMUNOGENICITY OF A 20-VALENT PNEUMOCOCCAL CONJUGATE VACCINE IN ADULTS ≥65 YEARS OF AGE WITH PRIOR PNEUMOCOCCAL VACCINATION
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This Phase 3 will describe the safety and immunogenicity of a 20-valent pneumococcal conjugate vaccine formulation in adults 65 years of age or older with prior pneumococcal vaccination
Study identification
- NCT ID
- NCT03835975
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 875 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 65 Years and older
- 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 12, 2019 (Actual)
- Primary completion
- Feb 12, 2020 (Actual)
- Completion
- Feb 12, 2020 (Actual)
- Last update posted
- Feb 21, 2021
2019 – 2020
United States locations
- U.S. sites
- 34
- U.S. states
- 20
- U.S. cities
- 29
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Coastal Clinical Research, Inc. | Mobile | Alabama | 36608 | — |
| East Valley Gastroenterology and Hepatology Associates | Chandler | Arizona | 85224 | — |
| The Pain Center of Arizona | Peoria | Arizona | 85381 | — |
| HOPE Research Institute | Phoenix | Arizona | 85018 | — |
| The Pain Center of Arizona | Phoenix | Arizona | 85018 | — |
| Anaheim Clinical Trials, LLC | Anaheim | California | 92801 | — |
| Diablo Clinical Research, Inc. | Walnut Creek | California | 94598 | — |
| Clinical Research Consulting, LLC | Milford | Connecticut | 06460 | — |
| Optimal Research, LLC | Melbourne | Florida | 32934 | — |
| Synexus Clinical Research US, Inc | The Villages | Florida | 32162 | — |
| Meridian Clinical Research, LLC | Savannah | Georgia | 31406 | — |
| Clinical Research Atlanta | Stockbridge | Georgia | 30281 | — |
| East-West Medical Research Institute | Honolulu | Hawaii | 96814 | — |
| Heartland Research Associates, LLC | Wichita | Kansas | 67205 | — |
| Heartland Research Associates, LLC | Wichita | Kansas | 67207 | — |
| MedPharmics, LLC | Metairie | Louisiana | 70006 | — |
| Meridian Clinical Research, LLC | Rockville | Maryland | 20854 | — |
| Meridian Clinical Research, LLC | Norfolk | Nebraska | 68701 | — |
| MedPharmics, LLC | Albuquerque | New Mexico | 87102 | — |
| Carolina Institute for Clinical Research | Fayetteville | North Carolina | 28304 | — |
| PMG Research of Wilmington, LLC | Wilmington | North Carolina | 28401 | — |
| CTI Clinical Research Center | Cincinnati | Ohio | 45212 | — |
| Sterling Research Group, Ltd. | Cincinnati | Ohio | 45246 | — |
| Prestige Clinical Research | Franklin | Ohio | 45005 | — |
| Lynn Health Science Institute | Oklahoma City | Oklahoma | 73112 | — |
| Kaiser Permanente Center For Health Research | Portland | Oregon | 97227 | — |
| Columbia Research Group, Inc. | Portland | Oregon | 97239 | — |
| Medical Research South, LLC | Goose Creek | South Carolina | 29445 | — |
| Ventavia Research Group | Keller | Texas | 76248 | — |
| J. Lewis Research Inc. / Foothill Family Clinic Draper | Draper | Utah | 84020 | — |
| 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 | — |
| J. Lewis Research, Inc. / Jordan River Family Medicine | South Jordan | Utah | 84095 | — |
| Kaiser Permanente Washington Health Research Institute | Seattle | Washington | 98101 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 8 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03835975, 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 Feb 21, 2021 · Synced Oct 27, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT03835975 live on ClinicalTrials.gov.