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NCT03301051 · ClinicalTrials.gov registry record · Phase 3

Efficacy, Safety, and Immunogenicity of a Plant-Derived Quadrivalent Virus-Like Particles (VLPs) Influenza Vaccine in Adults

A Phase 3 study of Influenza and Respiratory Tract Infections, sponsored by Medicago.

Completed
Registry status
Phase 3
Development phase
10,160
Enrollment target
20
Study locations

NCT03301051: Completed Phase 3 study of Influenza and Respiratory Tract Infections, sponsored by Medicago.

NCT03301051 is a Phase 3 study of Influenza and Respiratory Tract Infections that has completed, run by Medicago. The registered enrollment target is 10,160 participants, below the 36,739-participant average among 156 other Influenza trials with a reported enrollment target (72% lower). The trial reports 20 study locations across 13 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03301051, a Phase 3 study of Influenza and Respiratory Tract Infections, has completed, sponsored by Medicago.

COMPLETED
Registry status
Phase 3
Development phase
10,160 participants
Enrollment target
20
Study locations

Study Summary

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

Primary Outcome

Occurrences of protocol-defined respiratory illness caused by vaccine-matched influenza strains were assessed. The vaccine-matched strains included: H1N1 (A/Michigan/45/2015); H3N2 (A/Hong Kong/4801/2014); B/Brisbane (B/Brisbane/60/2008); and B/Phuket (B/Phuket/3073/2013A). The protocol-defined respiratory illness was determined by the occurrence of at least 1 of the following respiratory symptoms: sneezing, stuffy nose, sore throat, cough, sputum production, wheezing, or difficulty breathing. O

Interventions

  • BIOLOGICAL Placebo
  • BIOLOGICAL Quadrivalent VLP Vaccine

Study Locations (20)

Florida

  • Site 217 - Coral Gables
  • Site 220 - Hollywood
  • Site 212 - South Miami

North Carolina

  • Site 216 - Charlotte
  • Site 221 - Charlotte
  • Site 227 - Winston-Salem

Georgia

  • Site 203 - Savannah
  • Site 218 - Stockbridge

Nebraska

  • Site 224 - Norfolk
  • Site 208 - Omaha

New York

  • Site 205 - Binghamton
  • Site 228 - Endwell

Alabama

  • Site 222 - Mobile

California

  • Site 210 - Anaheim

Connecticut

  • Site 223 - Milford

Trial Details

FieldValue
Enrollment Target 10,160 participants
Start Date 2017-08-31
Est. Completion 2018-05-09
Phase Phase 3
Medicago

9 total trials

What the finished NCT03301051 record still lists

NCT03301051 is an interventional study that assigns participants to a tested intervention. Its 10,160 participants enrollment target places it among the larger protocols in the corpus, below the 36,739-participant average among 156 other Influenza trials with a reported enrollment target (72% lower).

The record links to 5 conditions, with Influenza appearing as the primary indexed condition, and to 2 interventions - of which Placebo is the first listed.

NCT03301051 names 20 study sites across 13 states, led by Florida, North Carolina, Georgia.

Frequently Asked Questions

What is clinical trial NCT03301051 about?

NCT03301051 is a clinical study titled "Efficacy, Safety, and Immunogenicity of a Plant-Derived Quadrivalent Virus-Like Particles (VLPs) Influenza Vaccine in Adults". 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 part...

What is the current status of trial NCT03301051?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 10,160 participants. The study started on 2017-08-31. Estimated completion is 2018-05-09.

What conditions does trial NCT03301051 study?

This clinical trial studies the following conditions: Influenza, Respiratory Tract Infections, Respiratory Tract Diseases, Virus Diseases, RNA Virus Infections.

What interventions are being tested in trial NCT03301051?

The interventions under investigation include: Placebo (BIOLOGICAL), Quadrivalent VLP Vaccine (BIOLOGICAL).

Who is sponsoring clinical trial NCT03301051?

This trial is sponsored by Medicago, which has 9 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT03301051 being conducted?

This trial has 20 study locations across Alabama, California, Connecticut, Florida, Georgia. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Influenza

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT03301051's enrollment target sits among peer trials

10,160 12th of 156 higher than 145 of 156 other Influenza trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Influenza trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03301051, the US trial registry maintained by the National Library of Medicine. NCT03301051 (large enrollment · wide site footprint · completed) retrieved and formatted by PlainTrial, see methodology.