Efficacy, Safety, and Immunogenicity of a Plant-Derived Quadrivalent Virus-Like Particles (VLPs) Influenza Vaccine in Adults
Public ClinicalTrials.gov record NCT03301051. 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 Randomized, Observer-blind, Placebo-controlled, Multicenter, Phase 3 Study to Assess the Efficacy, Safety, and Immunogenicity of a Plant-Derived Quadrivalent Virus-Like Particles Influenza Vaccine in Adults 18-64 Years of Age
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This Phase 3 study is intended to assess the efficacy of the Quadrivalent VLP Influenza Vaccine during the 2017-2018 influenza season in healthy adults 18 to 64 years of age. One dose of Quadrivalent VLP Influenza Vaccine (30 μg/strain) or of placebo will be administered to approximately 10,000 participants
Study identification
- NCT ID
- NCT03301051
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 10,160 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 64 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
- Aug 31, 2017 (Actual)
- Primary completion
- May 2, 2018 (Actual)
- Completion
- May 9, 2018 (Actual)
- Last update posted
- Aug 14, 2023
2017 – 2018
United States locations
- U.S. sites
- 29
- U.S. states
- 18
- U.S. cities
- 26
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Site 222 | Mobile | Alabama | 36608 | — |
| Site 210 | Anaheim | California | 92801 | — |
| Site 223 | Milford | Connecticut | 06460 | — |
| Site 217 | Coral Gables | Florida | 33134 | — |
| Site 220 | Hollywood | Florida | 33024 | — |
| Site 212 | South Miami | Florida | 33143 | — |
| Site 203 | Savannah | Georgia | 31406 | — |
| Site 218 | Stockbridge | Georgia | 30281 | — |
| Site 206 | Wichita | Kansas | 67025 | — |
| Site 202 | Metairie | Louisiana | 70006 | — |
| Site 225 | St Louis | Missouri | 63141 | — |
| Site 224 | Norfolk | Nebraska | 68701 | — |
| Site 208 | Omaha | Nebraska | 63134 | — |
| Site 213 | Las Vegas | Nevada | 89104 | — |
| Site 205 | Binghamton | New York | 13901 | — |
| Site 228 | Endwell | New York | 13760 | — |
| Site 216 | Charlotte | North Carolina | 28209 | — |
| Site 221 | Charlotte | North Carolina | 28277 | — |
| Site 227 | Winston-Salem | North Carolina | 27103 | — |
| Site 201 | Columbus | Ohio | 43123 | — |
| Site 207 | Dakota Dunes | South Dakota | 57049 | — |
| Site 209 | Bristol | Tennessee | 37260 | — |
| Site 204 | Austin | Texas | 78705 | — |
| Site 229 | Austin | Texas | 78745 | — |
| Site 226 | Fort Worth | Texas | 76104 | — |
| Site 219 | Fort Worth | Texas | 76135 | — |
| Site 214 | Salt Lake City | Utah | 84124 | — |
| Site 211 | West Jordan | Utah | 84088 | — |
| Site 230 | Norfolk | Virginia | 23507 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 44 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03301051, 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 Aug 14, 2023 · Synced Oct 20, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT03301051 live on ClinicalTrials.gov.