CI

At a glance

ClinicalIndex Comparison Record
Phase 1Completed· 10 enrolled
Drug / intervention
Dengue 1 Live Virus Human Challenge (DENV-1-LVHC)biological
Likely dose
Dengue 1 Live Virus Human Challenge (DENV-1-LVHC) 0.5 mLfrom 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/NCT04786457
NCT04786457Phase 1Completed

A Phase 1, Open-Label Clinical Trial With Dengue-1-Virus Live Virus Human Challenge (DENV-1-LVHC) Assessment of Healthy U.S. Adults Previously Primed With Tetravalent Dengue Virus Purified Inactivated Vaccine (TDEN-PIV) and Boosted With Tetravalent Dengue Virus Live Attenuated Vaccine Formulation (TDEN LAV)

University of Maryland, Baltimore·interventional·Posted Mar 8, 2021·Updated Feb 27, 2025

In Brief

A Phase 1 clinical trial evaluating Dengue 1 Live Virus Human Challenge (DENV-1-LVHC) for Dengue. Completed, enrolled 10 participants across 1 site.

Detailed Summary

The purpose of this research study is to test the protection of volunteers previously vaccinated with Tetravalent Dengue Virus (TDEN) Purified Inactivated Vaccine (PIV) with alum and boosted with TDEN live attenuated vaccine (LAV) formulation against a weakened form of an experimental dengue virus challenge. The Investigators will also include people that have not received the study vaccine. The Investigators are collecting information about how the vaccine protects against a dengue virus challenge as well as adding to knowledge about the safety of the challenge.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsDengue
CountriesUnited States

Timeline

Phase 1CompletedFinished
202120222023202420252026
First PostedMar 8, 2021
Enrollment StartNov 30, 2020
Primary CompletionJul 9, 2021
TodayJul 2, 2026
Enrollment to primary: 7 monthsPosted 5.3 years ago

Interventions

Dengue 1 Live Virus Human Challenge (DENV-1-LVHC)biological

one subcutaneous injection of Dengue 1 Live Virus Human Challenge (DENV-1-LVHC) at 0.5 mL of 6.5 x 10\^3 PFU/mL