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NCT03020472 · ClinicalTrials.gov registry record · Phase 4
Kinetics of B-Cell Responses to Live, Attenuated Influenza Vaccine (LAIV) in Young Children Two Years of Age
A Phase 4 study, sponsored by Stanford University.
- Terminated
- Registry status
- Phase 4
- Development phase
- 6
- Enrollment target
NCT03020472: Clinical Trial Phase 4 study, sponsored by Stanford University.
NCT03020472 is a Phase 4 study that was terminated before completion, run by Stanford University. The registered enrollment target is 6 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (99% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03020472, a Phase 4 study, was terminated before completion, sponsored by Stanford University.
- TERMINATED
- Registry status
- Phase 4
- Development phase
- 6 participants
- Enrollment target
Study Summary
This pilot study will investigate B-cell responses following vaccination with live, attenuated influenza vaccine (LAIV) in healthy children 2 years of age from blood samples taken at designated time points before and after vaccination.
Interventions
- BIOLOGICAL 2008-2009 FluMist LAIV (Intranasal)
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 6 participants |
| Start Date | 2008-11 |
| Est. Completion | 2009-01 |
| Phase | Phase 4 |
Why NCT03020472 stopped before completion
NCT03020472 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 6 participants, a relatively small participant target, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (99% lower).
The record links to 0 conditions, and to 1 intervention - of which 2008-2009 FluMist LAIV (Intranasal) is the first listed.
NCT03020472 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT03020472 about?
NCT03020472 is a clinical study titled "Kinetics of B-Cell Responses to Live, Attenuated Influenza Vaccine (LAIV) in Young Children Two Years of Age". This pilot study will investigate B-cell responses following vaccination with live, attenuated influenza vaccine (LAIV) in healthy children 2 years of age from blood samples taken at designated time points before and after vaccination.
What is the current status of trial NCT03020472?
This trial is currently terminated. It is a Phase 4 study. The enrollment target is 6 participants. The study started on 2008-11. Estimated completion is 2009-01.
What interventions are being tested in trial NCT03020472?
The interventions under investigation include: 2008-2009 FluMist LAIV (Intranasal) (BIOLOGICAL).
Who is sponsoring clinical trial NCT03020472?
This trial is sponsored by Stanford University, which has 1,744 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT03020472's enrollment target sits among peer trials
6 1983rd of 2000 higher than 12 of 2,000 other Phase 4 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 4 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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