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Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Phase 2 Dose and Formulation Confirmation of Quad-NIV in Older Adults

ClinicalTrials.gov ID: NCT03658629

Public ClinicalTrials.gov record NCT03658629. 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 Jul 22, 2026, 2:15 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Phase 2 Clinical Trial to Confirm the Dose and Formulation of a Recombinant Quadrivalent Nanoparticle Influenza Vaccine (Quad-NIV) With or Without Matrix-M1™ Adjuvant in Healthy Adults ≥ 65 Years of Age

Study identification

NCT ID
NCT03658629
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
Novavax
Industry
Enrollment
1,375 participants

Conditions and interventions

Interventions

  • NanoFlu (Quad-NIV) Biological
  • Matrix-M Adjuvant Other
  • Placebo Other
  • Fluzone HD Biological
  • Flublok Quadrivalent Biological
  • Influenza Vaccine Biological

Biological · Other

Eligibility (public fields only)

Age range
65 Years and older
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
Sep 23, 2018
Primary completion
Apr 25, 2019
Completion
Apr 25, 2019
Last update posted
Nov 3, 2022

2018 – 2019

United States locations

U.S. sites
14
U.S. states
7
U.S. cities
14
Facility City State ZIP Site status
US135 Hollywood Florida 33024
US045 Savannah Georgia 31406
US013 Stockbridge Georgia 30281
US138 Rockville Maryland 20854
US025 Norfolk Nebraska 68701
US018 Omaha Nebraska 68134
US078 Cary North Carolina 27518
US108 Raleigh North Carolina 27609
US137 Salisbury North Carolina 28144
US132 Statesville North Carolina 28625
US071 Wilmington North Carolina 28401
US063 Winston-Salem North Carolina 27103
US056 Moncks Corner South Carolina 29461
US050 Dakota Dunes South Dakota 57049

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 NCT03658629, 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 Nov 3, 2022 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03658629 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →