NCT01339546

Brief Summary

The rationale for this study is to assess the change in ambulatory care visit rates for acute otitis media between the period before (2001-2009) and after the introduction of the 13-valent pneumococcal conjugate vaccine (13vPnC) (2011-2013) among children less than 5 years old in the United States.

Trial Health

100
On Track

Trial Health Score

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

Enrollment
1

participants targeted

Target at below P25 for all trials

Timeline
Completed

Started Jun 2010

Longer than P75 for all trials

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

June 9, 2010

Completed
7 months until next milestone

First Submitted

Initial submission to the registry

December 22, 2010

Completed
4 months until next milestone

First Posted

Study publicly available on registry

April 20, 2011

Completed
6.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2017

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2017

Completed
Last Updated

May 3, 2023

Status Verified

November 1, 2017

Enrollment Period

7.1 years

First QC Date

December 22, 2010

Last Update Submit

April 28, 2023

Conditions

Keywords

ecologiccross sectionaltrend analysis

Outcome Measures

Primary Outcomes (1)

  • Change in ambulatory care visit rates for acute otitis media between the period before (2001-2009) and after the introduction of the 13vPnC vaccine (2011-2013) among children less than 5 years old

    1) 2001-2009 inclusive (9 years) and 2) 2011-2013 inclusive (3 years)

Secondary Outcomes (4)

  • Change in ambulatory care visit rates for acute otitis media between: 1) 1997-99 to 2001-09; and 2) between 1997-99 to 2011-13 among children less than 5 years old. (Timeframes are retrospective)

    1) 1997-99 inclusive (3 yrs); 2) 2001-09 inclusive (9 yrs) and 3) 2011-13 inclusive (3 yrs)

  • Change in ambulatory care visit rates for myringotomy tube insertion between: 1) 1997-99 to 2001-09; and 2) between 1997-99 to 2011-13 among children less than 5 years old. (Timeframes are retrospective

    1) 1997-99 inclusive (3 yrs); 2) 2001-09 inclusive (9 yrs) and 3) 2011-13 inclusive (3 yrs)

  • Change in ambulatory care visit rates for rash between 2001-09 to 2011 -13 among children less than 5 years old. (Timeframes are retrospective)

    1) 2001-09 inclusive (9 yrs) and 2) 2011-13 inclusive (3 yrs)

  • Change in ambulatory care visit rates for trauma between 2001-09 to 2011-13 among children less than 5 years old. (Timeframes are retrospective)

    1) 2001-09 inclusive (9 yrs) and 2) 2011-13 inclusive (3 yrs)

Study Arms (1)

Study population

All ambulatory visits for otitis media, myringotomy tube insertion, skin rash or trauma among children age 5 or under during the periods of study

Other: no intervention

Interventions

Study population

Eligibility Criteria

AgeUp to 5 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)
Sampling MethodProbability Sample
Study Population

National Ambulalatory Medical Care Survey (NAMCS)-national sample of visits to non federally employed office based physicians who are primarily engaged in direct patient care, and National Hospital Ambulatory Medical Care Survey (NHAMCS)- national sample of visits to emergency and outpatient departments and to ambulatory surgery facilities in noninstitutional general and short stay hospitals, exclusive of Federal, military, and Veterans Administration hospitals, located in the 50 States and the District of Columbia

You may qualify if:

  • Five years of age or under at the time of visit, ambulatory visit for otitis media, myringotomy tube insertion, skin rash or trauma during study period

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Links

MeSH Terms

Conditions

Otitis MediaExanthemaWounds and Injuries

Condition Hierarchy (Ancestors)

OtitisEar DiseasesOtorhinolaryngologic DiseasesSkin DiseasesSkin and Connective Tissue Diseases

Study Officials

  • Pfizer CT.gov Call Center

    Pfizer

    STUDY DIRECTOR

Study Design

Study Type
observational
Observational Model
ECOLOGIC OR COMMUNITY
Time Perspective
RETROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 22, 2010

First Posted

April 20, 2011

Study Start

June 9, 2010

Primary Completion

June 30, 2017

Study Completion

June 30, 2017

Last Updated

May 3, 2023

Record last verified: 2017-11