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.
Protocol Amendment History
3 amendments
This ClinicalTrials.gov record has been amended 3 times since 2025-08-07; most recent amendment 2026-04-28.
Status change: Not Yet Recruiting → Recruiting2025-08-26