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NCT01997450 · ClinicalTrials.gov registry record
A Case Control Study of the Effectiveness of Q/LAIV Versus Inactivated Influenza Vaccine and No Vaccine in Subjects 2-17 Years of Age
A clinical trial, sponsored by MedImmune.
- Terminated
- Registry status
- 4,121
- Enrollment target
NCT01997450: Clinical Trial study, sponsored by MedImmune.
NCT01997450 is a clinical trial that was terminated before completion, run by MedImmune. The registered enrollment target is 4,121 participants. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT01997450 was terminated before completion, sponsored by MedImmune.
- TERMINATED
- Registry status
- 4,121 participants
- Enrollment target
Study Summary
This is a post-marketing case-controlled study of the effectiveness of a quadrivalent live attenuated influenza vaccine (Q/LAIV/FluMist® Quadrivalent) versus Inactivated Influenza Vaccine (IIV) and No Vaccine in subjects 2-17 years of age.
Primary Outcome
Vaccine Effectiveness is defined as 100 x (1-odds ratio), where the odds ratio is the odds of exposures (Q/LAIV versus Inactivated Influenza Vaccine or no vaccine) among laboratory confirmed cases of flu versus controls. Effectiveness will be monitored by flu season, class of age and by influenza strain.
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 4,121 participants |
| Start Date | 2013-12-02 |
| Est. Completion | 2016-04-15 |
Why NCT01997450 stopped before completion
NCT01997450 is an observational study that tracks outcomes without assigning an intervention. Its 4,121 participants enrollment target places it among the larger protocols in the corpus.
The record links to 0 conditions, and to 0 interventions.
NCT01997450 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT01997450 about?
NCT01997450 is a clinical study titled "A Case Control Study of the Effectiveness of Q/LAIV Versus Inactivated Influenza Vaccine and No Vaccine in Subjects 2-17 Years of Age". This is a post-marketing case-controlled study of the effectiveness of a quadrivalent live attenuated influenza vaccine (Q/LAIV/FluMist® Quadrivalent) versus Inactivated Influenza Vaccine (IIV) and No Vaccine in subjects 2-17 years of age.
What is the current status of trial NCT01997450?
This trial is currently terminated. The enrollment target is 4,121 participants. The study started on 2013-12-02. Estimated completion is 2016-04-15.
Who is sponsoring clinical trial NCT01997450?
This trial is sponsored by MedImmune, which has 210 total clinical trials registered on ClinicalTrials.gov.
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