A Study to Learn About Different Dosing Schedules of a Lyme Disease Vaccine in Healthy Adults
Public ClinicalTrials.gov record NCT07226882. 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, PLACEBO-CONTROLLED, DOUBLE-BLINDED, RANDOMIZED STUDY TO EVALUATE THE SAFETY, TOLERABILITY, AND IMMUNOGENICITY OF DIFFERENT VACCINATION SCHEDULES OF 6-VALENT OSPA-BASED LYME DISEASE VACCINE, VLA15, IN HEALTHY ADULT PARTICIPANTS
Study identification
- NCT ID
- NCT07226882
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Pfizer
- Industry
- Enrollment
- 207 participants
Conditions and interventions
Conditions
Interventions
- Placebo Biological
- VLA15 Biological
Biological
Eligibility (public fields only)
- Age range
- 18 Years to 44 Years
- Sex
- All
- Healthy volunteers
- Not listed
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Nov 18, 2025
- Primary completion
- Jan 26, 2028
- Completion
- Jan 26, 2028
- Last update posted
- Apr 16, 2026
2025 – 2028
United States locations
- U.S. sites
- 10
- U.S. states
- 5
- U.S. cities
- 9
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Massachusetts Chan Medical School | Worcester | Massachusetts | 01655 | — |
| IMA Clinical Research Warren | Warren Township | New Jersey | 07059 | — |
| Smith Allergy and Asthma Specialists | Cortland | New York | 13045 | — |
| Smith Allergy & Asthma Specialists | Horseheads | New York | 14845 | — |
| Preferred Primary Care Physicians, Preferred Clinical Research (Ofc 18) | Pittsburgh | Pennsylvania | 15236 | — |
| Preferred Primary Care Physicians, Preferred Clinical Research-St. Clair | Pittsburgh | Pennsylvania | 15243 | — |
| Northeast Clinical Trials Group | Scranton | Pennsylvania | 18510 | — |
| Preferred Primary Care Physicians | Uniontown | Pennsylvania | 15401 | — |
| Clinical Research Partners, LLC | Richmond | Virginia | 23226 | — |
| Amherst Family Practice, P.C. | Winchester | Virginia | 22601 | — |
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 NCT07226882, 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 Apr 16, 2026 · Synced Apr 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT07226882 live on ClinicalTrials.gov.