A Case Control Study of the Effectiveness of Q/LAIV Versus Inactivated Influenza Vaccine and No Vaccine in Subjects 2-17 Years of Age
Public ClinicalTrials.gov record NCT01997450. 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.
Study identification
- NCT ID
- NCT01997450
- Recruitment status
- Terminated
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- MedImmune LLC
- Industry
- Enrollment
- 4,121 participants
Conditions and interventions
Conditions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- 2 Years to 17 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
- Dec 1, 2013
- Primary completion
- Apr 14, 2016
- Completion
- Apr 14, 2016
- Last update posted
- Mar 9, 2025
2013 – 2016
United States locations
- U.S. sites
- 8
- U.S. states
- 8
- U.S. cities
- 8
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Research Site | Gainesville | Florida | 32608 | — |
| Research Site | Bloomington | Minnesota | 55440 | — |
| Research Site | Winston-Salem | North Carolina | 27157 | — |
| Research Site | Akron | Ohio | 44308-1063 | — |
| Research Site | Portland | Oregon | 97227 | — |
| Research Site | Nashville | Tennessee | 37212 | — |
| Research Site | Temple | Texas | 76508 | — |
| Research Site | Marshfield | Wisconsin | 54449 | — |
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 4 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01997450, 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 Mar 9, 2025 · Synced May 10, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01997450 live on ClinicalTrials.gov.