Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 4, 2026, 6:19 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Lyme Borreliosis
Interventions
VLA15, Placebo
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
572 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
6
States / cities
Milford, Connecticut • Stamford, Connecticut • Binghamton, New York + 3 more
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Alternative Schedule Study For VLA15, a Vaccine Candidate Against Lyme Borreliosis

NCT03970733
Conditions
Lyme Borreliosis
Interventions
VLA15, Placebo
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
246 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
5
States / cities
Milford, Connecticut • Stamford, Connecticut • Binghamton, New York + 2 more
Conditions
Lyme Borreliosis, Nervous System
Interventions
VLA15 with Alum, VLA15 without Alum
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 39 Years
Enrollment
179 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
4
States / cities
La Mesa, California • Lincoln, Nebraska