A Study to Learn About a Vaccine Against E Coli in Healthy Adults
Public ClinicalTrials.gov record NCT07122986. 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 1, RANDOMIZED, DOUBLE-BLIND, THIRD-PARTY-UNBLINDED STUDY TO EVALUATE THE SAFETY AND TOLERABILITY OF A VACCINE AGAINST E COLI IN HEALTHY ADULTS
Study identification
- NCT ID
- NCT07122986
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- Pfizer
- Industry
- Enrollment
- 310 participants
Conditions and interventions
Conditions
Interventions
- E coli Vaccine 4 Dose A Drug
- E coli Vaccine 4 Dose B Drug
- E coli Vaccine 4 Dose C Drug
- E coli Vaccine 5 Dose A Drug
- E coli Vaccine 5 Dose B Drug
- E coli vaccine 1 Dose A Drug
- E coli vaccine 1 Dose B Drug
- E coli vaccine 2 Drug
- E coli vaccine 3 Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 64 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
- Aug 10, 2025
- Primary completion
- May 25, 2028
- Completion
- May 25, 2028
- Last update posted
- Apr 29, 2026
2025 – 2028
United States locations
- U.S. sites
- 11
- U.S. states
- 5
- U.S. cities
- 9
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Anaheim Clinical Trials, LLC | Anaheim | California | 92801 | Recruiting |
| Orange County Research Center | Lake Forest | California | 92630 | Recruiting |
| Diablo Clinical Research, Inc. | Walnut Creek | California | 94598 | Recruiting |
| Miami Eye Institute | Hollywood | Florida | 33024 | Recruiting |
| Research Centers of America | Hollywood | Florida | 33024 | Recruiting |
| NYU Langone Health | New York | New York | 10016 | Recruiting |
| CTI Clinical Research Center | Cincinnati | Ohio | 45212 | Recruiting |
| Senders Pediatrics | South Euclid | Ohio | 44121 | Recruiting |
| Alliance for Multispecialty Research, LLC | Knoxville | Tennessee | 37909 | Recruiting |
| Alliance for Multispecialty Research, LLC | Knoxville | Tennessee | 37920 | Recruiting |
| University Eye Specialists, P.C. (Ophthalmologist) | Maryville | Tennessee | 37803 | Recruiting |
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 NCT07122986, 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 29, 2026 · Synced May 1, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT07122986 live on ClinicalTrials.gov.