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RECRUITING
NCT07122986
PHASE1

A Study to Learn About a Vaccine Against E Coli in Healthy Adults

Sponsor: Pfizer

View on ClinicalTrials.gov

Summary

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.

Official title: A PHASE 1, RANDOMIZED, DOUBLE-BLIND, THIRD-PARTY-UNBLINDED STUDY TO EVALUATE THE SAFETY AND TOLERABILITY OF A VACCINE AGAINST E COLI IN HEALTHY ADULTS

Key Details

Gender

All

Age Range

18 Years - 64 Years

Study Type

INTERVENTIONAL

Enrollment

310

Start Date

2025-08-11

Completion Date

2028-05-26

Last Updated

2026-01-21

Healthy Volunteers

Yes

Interventions

DRUG

E coli vaccine 1 Dose A

Candidate E coli vaccine 1 Dose A, administered according to a 0, 6-month interval

DRUG

E coli vaccine 1 Dose B

Candidate E coli vaccine 1 Dose B, administered according to a 0, 6-month interval

DRUG

E coli vaccine 2

Candidate E coli vaccine 2, administered according to a 0, 6-month interval

DRUG

E coli vaccine 3

Candidate E coli vaccine 3, administered according to a 0, 6-month interval

DRUG

E coli Vaccine 4 Dose A

Candidate E coli vaccine 4 Dose A, administered according to a 0, 6-month interval

DRUG

E coli Vaccine 4 Dose B

Candidate E coli vaccine 4 Dose B, administered according to a 0, 6-month interval

DRUG

E coli Vaccine 4 Dose C

Candidate E coli vaccine 4 Dose C, administered according to a 0, 6-month interval

DRUG

E coli Vaccine 5 Dose A

Candidate E coli vaccine 5 Dose A, administered according to a 0, 6-month interval

DRUG

E coli Vaccine 5 Dose B

Candidate E coli vaccine 5 Dose B, administered according to a 0, 6-month interval

DRUG

Placebo

Placebo administered according to a 0, 6-month interval

Locations (11)

Anaheim Clinical Trials, LLC

Anaheim, California, United States

Orange County Research Center

Lake Forest, California, United States

Diablo Clinical Research, Inc.

Walnut Creek, California, United States

Miami Eye Institute

Hollywood, Florida, United States

Research Centers of America

Hollywood, Florida, United States

NYU Langone Health

New York, New York, United States

CTI Clinical Research Center

Cincinnati, Ohio, United States

Senders Pediatrics

South Euclid, Ohio, United States

Alliance for Multispecialty Research, LLC

Knoxville, Tennessee, United States

Alliance for Multispecialty Research, LLC

Knoxville, Tennessee, United States

University Eye Specialists, P.C. (Ophthalmologist)

Maryville, Tennessee, United States