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Completed Phase 1 Interventional Accepts healthy volunteers

A Live Recombinant Newcastle Disease Virus-vectored COVID-19 Vaccine Phase 1 Study.

ClinicalTrials.gov ID: NCT05181709

Public ClinicalTrials.gov record NCT05181709. 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.

ClinicalTrials.gov public records Last synced Sep 6, 2026, 2:10 PM EDT

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, Open-Label, Placebo-Controlled Evaluation of a Live, Recombinant Newcastle Disease Virus Expressing the Spike Protein of SARS-CoV-2 (NDV-HXP-S), an Investigational Product for Intranasal (IN) and/or Intramuscular (IM) Vaccination in Healthy Adults Previously Immunized Against COVID-19.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study will be a phase-1, open-label, placebo-controlled, evaluation of two-dosages of a live, recombinant Newcastle disease virus expressing the spike protein of SARS-CoV-2 (NDV-HXP-S), an investigational product for IN, IM, or a combined IN+IM vaccination in healthy adults previously immunized against COVID-19. The IN and IM live virus vaccinations will be identical in composition and only differ in route of administration.

Study identification

NCT ID
NCT05181709
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Sean Liu
Other
Enrollment
35 participants

Conditions and interventions

Conditions

Interventions

Drug · Biological

Eligibility (public fields only)

Age range
18 Years to 59 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
Feb 8, 2022
Primary completion
May 2, 2023
Completion
Apr 18, 2024
Last update posted
Apr 16, 2025

2022 – 2024

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Icahn School of Medicine at Mount Sinai New York New York 10029

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 NCT05181709, 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 16, 2025 · Synced Sep 6, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05181709 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →