CI

At a glance

ClinicalIndex Comparison Record
Phase 1Completed· 46 enrolled
Drug / intervention
ZH9PA and ZH9 +2 morebiological
Likely dose
ZH9PA and ZH9 150mLfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04349553
NCT04349553Phase 1Completed

A Phase I, Randomised, Double-blind, Placebo-controlled, Parallel Group Dose Escalation Study to Evaluate the Safety, Tolerability and Immunogenicity of a Potential Oral Enteric Fever Vaccine (ZH9 + ZH9PA) in Healthy Participants

Prokarium Ltd·interventional·Posted Apr 16, 2020·Updated Aug 17, 2025

In Brief

A Phase 1 clinical trial evaluating ZH9PA and ZH9, Placebo, and 1 other intervention for Enteric Fever. Completed, enrolled 46 participants across 1 site.

Detailed Summary

A Phase 1, randomised, double-blind, placebo-controlled, parallel group study in 45 healthy participants aged 18 to 45 years inclusive.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsEnteric Fever
CountriesUnited Kingdom
CollaboratorsSimbec Research

Timeline

Phase 1CompletedFinished
2020202120222023202420252026
First PostedApr 16, 2020
Enrollment StartDec 16, 2019
Primary CompletionSep 28, 2020
Study CompletionFeb 15, 2021
TodayJul 2, 2026
Enrollment to primary: 9 monthsPosted 6.2 years ago

Interventions

ZH9PA and ZH9biological

150mL vaccine for oral administration

Placebobiological

150mL vaccine for oral administration

ZH9PAbiological

150mL vaccine for oral administration