Ph 1b: Safety & Immunogenicity of Ad5 Based Oral Norovirus Vaccine
Public ClinicalTrials.gov record NCT04854746. 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.
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 1b, Multicenter, Randomized, Double-blind, Placebo-controlled Study to Determine the Safety and Immunogenicity of an Adenoviral-vector Based Oral Norovirus Vaccine Expressing GI.1 VP1 Administered Orally to Health Stable Older Adult Volunteers 55-80 Years of Age
Study identification
- NCT ID
- NCT04854746
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- Vaxart
- Industry
- Enrollment
- 66 participants
Conditions and interventions
Conditions
Interventions
- VXA-GI.1.NN Biological
- Placebo Tablet Biological
Biological
Eligibility (public fields only)
- Age range
- 55 Years to 80 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
- Apr 25, 2021
- Primary completion
- Jan 3, 2022
- Completion
- Jan 3, 2022
- Last update posted
- Feb 12, 2023
2021 – 2022
United States locations
- U.S. sites
- 3
- U.S. states
- 3
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| WCCT | Cypress | California | 90630 | — |
| Benchmark Research | New Orleans | Louisiana | 70006 | — |
| Benchmark Research | Austin | Texas | 78705 | — |
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 NCT04854746, 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 Feb 12, 2023 · Synced Jul 23, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04854746 live on ClinicalTrials.gov.