CI

At a glance

ClinicalIndex Comparison Record
Phase 1Completed· 26 enrolled
Drug / intervention
HydroVax-002 YFV +1 morebiological
Likely dose
Not stated in 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/NCT05172544
NCT05172544Phase 1Completed

A Double Blind, Randomized, Placebo-Controlled, Phase 1 Dose Escalation Trial to Evaluate the Safety and Immunogenicity of an Inactivated Yellow Fever Virus Vaccine, HydroVax-002 YFV, in Healthy Adults

Najit Technologies, Inc.·interventional·Posted Dec 29, 2021·Updated Sep 18, 2025

In Brief

A Phase 1 clinical trial evaluating HydroVax-002 YFV and Placebo for Yellow Fever. Completed, enrolled 26 participants across 1 site.

Detailed Summary

This trial will be a randomized, placebo controlled, double-blind (within dosing group), dose escalation Phase 1 trial, evaluating dosages of 1 mcg and 5 mcg of HydroVax-002 YFV vaccine given intramuscularly on Day 1 and Day 29 in up to 25 healthy adults healthy adults ≥ 18 and \< 50 years of age. The primary objective is to assess the safety, reactogenicity, and tolerability of the HydroVax-002 YFV vaccine administered intramuscularly in a two-dose series on Days 1 and 29 at a dose of 1 mcg or a dose of 5 mcg.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsYellow Fever
CountriesUnited States

Timeline

Phase 1CompletedFinished
20222023202420252026
First PostedDec 29, 2021
Enrollment StartJan 13, 2022
Primary CompletionApr 24, 2023
TodayJul 2, 2026
Enrollment to primary: 1.3 yearsPosted 4.5 years ago

Interventions

HydroVax-002 YFVbiological

Inactivated YFV vaccine

Placeboother

NaCl 0.9%, Normal Saline