A TRIAL TO EVALUATE THE SAFETY, TOLERABILITY, AND IMMUNOGENICITY OF A BOOSTER DOSE OF A GROUP B STREPTOCOCCUS 6 VALENT POLYSACCHARIDE CONJUGATE VACCINE (GBS6) IN HEALTHY ADULTS
Public ClinicalTrials.gov record NCT04258995. 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 2, OPEN-LABEL TRIAL TO EVALUATE THE SAFETY, TOLERABILITY, AND IMMUNOGENICITY OF A BOOSTER DOSE OF A GROUP B STREPTOCOCCUS 6 VALENT POLYSACCHARIDE CONJUGATE VACCINE (GBS6) IN HEALTHY ADULTS
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This study is an extension to the completed first-in-human C1091001 study (NCT03170609) and is to evaluate the safety and immunogenicity of a single booster vaccine dose of GBS6, administered approximately 2 years or more after a primary GBS6 dose, to healthy adult males and nonpregnant women. The study will determine whether individuals who received a primary dose of GBS6 have additional benefit following a booster dose.
Study identification
- NCT ID
- NCT04258995
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 151 participants
Conditions and interventions
Conditions
Interventions
Biological
Eligibility (public fields only)
- Age range
- 20 Years to 51 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 10, 2020
- Primary completion
- Sep 14, 2020
- Completion
- Sep 14, 2020
- Last update posted
- Oct 12, 2021
2020
United States locations
- U.S. sites
- 4
- U.S. states
- 3
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Clinical Research Atlanta | Stockbridge | Georgia | 30281 | — |
| Kentucky Pediatric & Adult Research Inc. | Bardstown | Kentucky | 40004 | — |
| J. Lewis Research, Inc./ Foothill Family Clinic South | 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.
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About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04258995, 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 Oct 12, 2021 · Synced Sep 9, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04258995 live on ClinicalTrials.gov.