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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 Oct 21, 2026, 8:06 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

Brief summary

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

A Phase 2 trial to confirm the dose and formulation, demonstrate adjuvant effect, and evaluate the safety and tolerability of a single intramuscular injection of Quad-NIV with or without Matrix-M1 adjuvant in healthy adults ≥ 65 years of age. A total of approximately 1375 subjects were to be randomized to seven treatment groups to receive Quad-NIV or an active comparator.

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

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 24, 2018 (Actual)
Primary completion
Apr 26, 2019 (Actual)
Completion
Apr 26, 2019 (Actual)
Last update posted
Nov 4, 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 4, 2022 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03658629 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →