Phase 3 Safety and Immunogenicity Study of aQIV in Elderly Adults
Public ClinicalTrials.gov record NCT03314662. 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 3, Randomized, Double-Blind, Controlled, Multicenter, Clinical Study to Evaluate Safety and Immunogenicity of an MF59-Adjuvanted Quadrivalent Subunit Influenza Vaccine in Comparison With an MF59-Adjuvanted Trivalent Subunit Influenza Vaccine and an MF59-Adjuvanted Trivalent Subunit Influenza Vaccine Containing the Alternate B Strain, in Adults Aged 65 Years and Above
Study identification
- NCT ID
- NCT03314662
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Seqirus
- Industry
- Enrollment
- 1,778 participants
Conditions and interventions
Conditions
Interventions
- MF59-adjuvanted Quadrivalent Subunit Inactivated Egg-derived Influenza Vaccine (aQIV) Biological
- Licensed MF59-adjuvanted Trivalent Subunit Inactivated Egg-derived Influenza Vaccine (aTIV-1) Biological
- MF59-adjuvanted Trivalent Subunit Inactivated Egg-derived Influenza Vaccine Containing the Alternate B Strain (aTIV-2) Biological
Biological
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
- Oct 16, 2017
- Primary completion
- Dec 10, 2017
- Completion
- May 16, 2018
- Last update posted
- Jul 21, 2020
2017 – 2018
United States locations
- U.S. sites
- 20
- U.S. states
- 14
- U.S. cities
- 20
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Coastal Clinical Research, Inc. | Mobile | Alabama | 36608 | — |
| Anaheim Clinical Trials | Anaheim | California | 92801 | — |
| Paradigm clinical Research Centers, Inc | Redding | California | 96001 | — |
| Clinical Research of South Florida, an AMR Company | Coral Gables | Florida | 33134 | — |
| Meridan Clinical Research, LLC | Savannah | Georgia | 31406 | — |
| Advanced Clinical Research | Meridian | Idaho | 83642 | — |
| Johnson County Clin-Trials | Lenexa | Kansas | 66219 | — |
| Heartland Research Associates, LLC - An AMR Company | Newton | Kansas | 67114 | — |
| Heartland Research Associates, LLC - An AMR Company | Wichita | Kansas | 67207 | — |
| Center for Pharmaceutical Research, LLC | Kansas City | Missouri | 64114 | — |
| Sundance Clinical Research, LLC | St Louis | Missouri | 63141 | — |
| Meridian Clinical Research, LLC | Omaha | Nebraska | 68134 | — |
| United Medical Associates | Binghamton | New York | 13901 | — |
| Rapid Medical Research, Inc. | Cleveland | Ohio | 44122 | — |
| Medical Research South | Charleston | South Carolina | 29407 | — |
| New Orleans Center for Clinical Research | Knoxville | Tennessee | 37920 | — |
| Benchmark Research | Fort Worth | Texas | 76135 | — |
| Benchmark Research | San Angelo | Texas | 76904 | — |
| Martin Diagnostic Clinic | Tomball | Texas | 77375 | — |
| Advanced Clinical Research | West Jordan | Utah | 84088 | — |
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 NCT03314662, 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 Jul 21, 2020 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03314662 live on ClinicalTrials.gov.