NCT00626808

Brief Summary

This is a retrospective cohort study of children included in a large medical insurance claims database.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
321,697

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Oct 2007

Typical duration for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 1, 2007

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

February 20, 2008

Completed
9 days until next milestone

First Posted

Study publicly available on registry

February 29, 2008

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2010

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2010

Completed
4.5 years until next milestone

Results Posted

Study results publicly available

August 12, 2014

Completed
Last Updated

August 12, 2014

Status Verified

July 1, 2014

Enrollment Period

2.4 years

First QC Date

February 20, 2008

Results QC Date

July 21, 2014

Last Update Submit

July 21, 2014

Conditions

Outcome Measures

Primary Outcomes (15)

  • FluMist Use in Participants up to 59 Months of Age

    Among participants up to 59 months of age who received any flu vaccine, number who received FluMist

    2009-2010

  • Vaccinating Physician Specialty: Pediatrician or Pediatric Specialist

    Specialty of vaccinating physician who provided FluMist.

    2009-2010

  • Vaccinating Physician Specialty: General/Family Practitioner

    Specialty of vaccinating physician who provided FluMist

    2009-2010

  • Vaccinating Physician Specialty: Other

    Specialty of vaccinating physician who provided FluMist

    2009-2010

  • Vaccinating Physician Specialty: Unknown

    Specialty of vaccinating physician who provided FluMist

    2009-2010

  • Geographic Region: Northeastern

    Geographic region of parents' residence among participants receiving FluMist

    2009-2010

  • Geographic Region: North Central

    Geographic region of parents' residence among participants receiving FluMist

    2009-2010

  • Geographic Region: Southern

    Geographic region of parents' residence among participants receiving FluMist

    2009-2010

  • Geographic Region: Western

    Geographic region of parents' residence among participants receiving FluMist

    2009-2010

  • Number of Outpatient Visits: 0

    Among participants vaccinated with FluMist, the number who had 0 outpatient visits in the 3 months prior to vaccination

    2009-2010

  • Number of Outpatient Visits: 1

    Among participants vaccinated with FluMist, the number who had 1 outpatient visit in the 3 months prior to vaccination

    2009-2010

  • Number of Outpatient Visits: 2 or More

    Among participants vaccinated with FluMist, the number who had 2 or more outpatient visits in the 3 months prior to vaccination

    2009-2010

  • Number of Days With a Respiratory Claim in 28 Days Prior to Vaccination: 0

    Among participants vaccinated with FluMist, the number of days with a respiratory claim (asthma, acute respiratory distress, bronchospasm, influenza, respiratory syncytial virus, bronchiolitis, bronchitis, pneumonia, croup, sinusitis, adenovirus infection, coxsackie virus infection, rhinovirus infection, nasopharyngitis, laryngitis and tracheitis, upper respiratory infection, cough) in the 28 days prior to vaccination.

    2009-2010

  • Number of Days With a Respiratory Claim in 28 Days Prior to Vaccination: 1

    Among participants vaccinated with FluMist, the number of days with a respiratory claim (asthma, acute respiratory distress, bronchospasm, influenza, respiratory syncytial virus, bronchiolitis, bronchitis, pneumonia, croup, sinusitis, adenovirus infection, coxsackie virus infection, rhinovirus infection, nasopharyngitis, laryngitis and tracheitis, upper respiratory infection, cough) in the 28 days prior to vaccination.

    2009-2010

  • Number of Days With a Respiratory Claim in 28 Days Prior to Vaccination: 2 or More

    Among participants vaccinated with FluMist, the number of days with a respiratory claim (asthma, acute respiratory distress, bronchospasm, influenza, respiratory syncytial virus, bronchiolitis, bronchitis, pneumonia, croup, sinusitis, adenovirus infection, coxsackie virus infection, rhinovirus infection, nasopharyngitis, laryngitis and tracheitis, upper respiratory infection, cough) in the 28 days prior to vaccination.

    2009-2010

Study Arms (4)

1

Children less than 24 months of age

Drug: No Intervention

2

Children 24 to 59 months of age with a claim associated with a diagnosis of asthma

Drug: No Intervention

3

Children 24 to 59 months of age without a claim associated with a diagnosis of asthma, but with dispensed medication for wheezing

Drug: No Intervention

4

Children 24-59 months of age with immunosuppression

Drug: No Intervention

Interventions

There were no interventions. No subjects were enrolled in this retrospective database study.

1234

Eligibility Criteria

Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Children \< 60 months of age.

* Children less than 24 months of age during August through January/February. * Children \<24 to 59 months of age during August through January/February, with: * two outpatient claims for asthma, or * one inpatient/emergency room claim for asthma, or * one outpatient claim for asthma and at least one SABA prescription during a defined 12-month period. * Children \<24 to 59 months of age during August through January/February, without any claims associated with a diagnosis of asthma, but with at least one dispensing for SABA, as indicated by pharmacy claims during a defined 12-month period. * Children 24 to 59 months of age during August to January/February with evidence of immunosuppression prior to the date of influenza vaccination based on available medical and pharmacy claims.

Contact the study team to discuss eligibility requirements. They can help determine if this study is right for you.

Sponsors & Collaborators

Study Sites (1)

Research Site

Research Triangle Park, North Carolina, United States

Location

MeSH Terms

Conditions

AsthmaRespiratory Sounds

Condition Hierarchy (Ancestors)

Bronchial DiseasesRespiratory Tract DiseasesLung Diseases, ObstructiveLung DiseasesRespiratory HypersensitivityHypersensitivity, ImmediateHypersensitivityImmune System DiseasesSigns and Symptoms, RespiratorySigns and SymptomsPathological Conditions, Signs and Symptoms

Results Point of Contact

Title
Chris Ambrose
Organization
MedImmune, LLC

Study Officials

  • Chris Ambrose, M.D.

    MedImmune LLC

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
RETROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 20, 2008

First Posted

February 29, 2008

Study Start

October 1, 2007

Primary Completion

March 1, 2010

Study Completion

March 1, 2010

Last Updated

August 12, 2014

Results First Posted

August 12, 2014

Record last verified: 2014-07

Locations