Immunogenicity and Safety Study of a Vaccine Against Lyme Borreliosis, in Healthy Adults Aged 18 to 65 Years. Randomized, Controlled, Observer-blind Phase 2 Study.
Public ClinicalTrials.gov record NCT03769194. 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
Immunogenicity and Safety Study of VLA15, A Multivalent Recombinant OspA (Outer Surface Protein A) Based Vaccine Candidate Against Lyme Borreliosis, in Healthy Adults Aged 18 to 65 Years. A Randomized, Controlled, Observer-blind Phase 2 Study.
Study identification
- NCT ID
- NCT03769194
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Pfizer
- Industry
- Enrollment
- 572 participants
Conditions and interventions
Conditions
Interventions
- VLA15 Biological
- Placebo Biological
Biological
Eligibility (public fields only)
- Age range
- 18 Years to 65 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
- Dec 16, 2018
- Primary completion
- Dec 17, 2019
- Completion
- Oct 1, 2020
- Last update posted
- Jan 9, 2023
2018 – 2020
United States locations
- U.S. sites
- 6
- U.S. states
- 3
- U.S. cities
- 6
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Clinical Research Consulting, LLC | Milford | Connecticut | 06460 | — |
| Stamford Therapeutics Consortium | Stamford | Connecticut | 06905 | — |
| United Medical Associates | Binghamton | New York | 13901 | — |
| Regional Clinical Research, Inc. | Endwell | New York | 13706 | — |
| Rochester Clinical Research Inc. | Rochester | New York | 14609 | — |
| Omega Medical Research | Warwick | Rhode Island | 02886 | — |
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 3 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03769194, 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 Jan 9, 2023 · Synced Jul 21, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03769194 live on ClinicalTrials.gov.