Actively Recruiting
A Study to Learn About a Vaccine Against E Coli in Healthy Adults
Led by Pfizer · Updated on 2026-04-30
310
Participants Needed
11
Research Sites
145 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
This study evaluates an investigational vaccine designed to protect against Escherichia coli (E coli). The primary objective is to assess the safety and tolerability of E coli vaccines administered intramuscularly to healthy adults.
CONDITIONS
Official Title
A Study to Learn About a Vaccine Against E Coli in Healthy Adults
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Adults aged 18 to less than 64 years at enrollment
- Healthy participants as confirmed by medical history, physical exam, and investigator judgment
You will not qualify if you...
- History of severe adverse reaction or severe allergic reaction to any vaccine component
- Known or suspected immunodeficiency or immunocompromised status
- Women who are pregnant, planning pregnancy during the study, or breastfeeding
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 11 locations
1
Anaheim Clinical Trials, LLC
Anaheim, California, United States, 92801
Actively Recruiting
2
Orange County Research Center
Lake Forest, California, United States, 92630
Actively Recruiting
3
Diablo Clinical Research, Inc.
Walnut Creek, California, United States, 94598
Actively Recruiting
4
Miami Eye Institute
Hollywood, Florida, United States, 33024
Actively Recruiting
5
Research Centers of America
Hollywood, Florida, United States, 33024
Actively Recruiting
6
NYU Langone Health
New York, New York, United States, 10016
Actively Recruiting
7
CTI Clinical Research Center
Cincinnati, Ohio, United States, 45212
Actively Recruiting
8
Senders Pediatrics
South Euclid, Ohio, United States, 44121
Actively Recruiting
9
Alliance for Multispecialty Research, LLC
Knoxville, Tennessee, United States, 37909
Actively Recruiting
10
Alliance for Multispecialty Research, LLC
Knoxville, Tennessee, United States, 37920
Actively Recruiting
11
University Eye Specialists, P.C. (Ophthalmologist)
Maryville, Tennessee, United States, 37803
Actively Recruiting
Research Team
P
Pfizer CT.gov Call Center
CONTACT
How is the study designed?
Study Type
INTERVENTIONAL
Masking
DOUBLE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
BASIC_SCIENCE
Number of Arms
10
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