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NCT02250274 · ClinicalTrials.gov registry record · Phase 4

Randomized Study of Immune Response to Licensed Influenza Vaccines in Children and Adolescents

A Phase 4 study, sponsored by Marshfield Clinic Research Foundation.

Completed
Registry status
Phase 4
Development phase
131
Enrollment target

NCT02250274: Completed Phase 4 study, sponsored by Marshfield Clinic Research Foundation.

NCT02250274 is a Phase 4 study that has completed, run by Marshfield Clinic Research Foundation. The registered enrollment target is 131 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (75% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT02250274, a Phase 4 study, has completed, sponsored by Marshfield Clinic Research Foundation.

COMPLETED
Registry status
Phase 4
Development phase
131 participants
Enrollment target

Study Summary

The purpose of this study is to assess the serologic and cell-mediated immune response to licensed live attenuated influenza vaccine (LAIV) and inactivated influenza vaccine (IIV) in children 5-17 years old. The effects of prior infection and or prior season vaccination will be examined. Children will be followed during the influenza season to identify laboratory-confirmed influenza (i.e. vaccine failure).

Interventions

  • BIOLOGICAL LAIV
  • BIOLOGICAL IIV

Trial Details

FieldValue
Enrollment Target 131 participants
Start Date 2014-09
Est. Completion 2015-04
Phase Phase 4

What the finished NCT02250274 record still lists

NCT02250274 is an interventional study that assigns participants to a tested intervention. The registered 131 participants enrollment target is mid-sized for trials with a published cap, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (75% lower).

The record links to 0 conditions, and to 2 interventions - of which LAIV is the first listed.

NCT02250274 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT02250274 about?

NCT02250274 is a clinical study titled "Randomized Study of Immune Response to Licensed Influenza Vaccines in Children and Adolescents". The purpose of this study is to assess the serologic and cell-mediated immune response to licensed live attenuated influenza vaccine (LAIV) and inactivated influenza vaccine (IIV) in children 5-17 years old. The effects of prior infection and or prior season vaccination will be examined. Children wi...

What is the current status of trial NCT02250274?

This trial is currently completed. It is a Phase 4 study. The enrollment target is 131 participants. The study started on 2014-09. Estimated completion is 2015-04.

What interventions are being tested in trial NCT02250274?

The interventions under investigation include: LAIV (BIOLOGICAL), IIV (BIOLOGICAL).

Who is sponsoring clinical trial NCT02250274?

This trial is sponsored by Marshfield Clinic Research Foundation, which has 7 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT02250274's enrollment target sits among peer trials

131 619th of 2000 higher than 1,379 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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Source: ClinicalTrials.gov NCT02250274, the US trial registry maintained by the National Library of Medicine. NCT02250274 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.