Study to Assess the Burden of Mild Outcomes (Physician Office Visits) Due to Influenza in the United States
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ClinicalTrials.gov Identifier: NCT02019732 |
Recruitment Status :
Completed
First Posted : December 24, 2013
Last Update Posted : January 10, 2017
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Condition or disease | Intervention/treatment |
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Influenza | Other: Data collection |
Study Type : | Observational |
Actual Enrollment : | 1 participants |
Time Perspective: | Retrospective |
Official Title: | Burden of Mild Outcomes Due to Influenza in the United States, July 2000 Through April 2009 and October 2010 to May 2011 |
Study Start Date : | January 2013 |
Actual Primary Completion Date : | June 2013 |
Actual Study Completion Date : | June 2013 |

Group/Cohort | Intervention/treatment |
---|---|
Study Group
Applicable subjects less than 65 years of age identified in the Marketscan Commercial database during the period from July 2000 through April 2009, and October 2010 to May 2011 and subjects 65 years of age and older identified in MarketScan Medicare Supplemental database during the period from July 2006 through April 2009, and October 2010 to May 2011.
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Other: Data collection
Data collection from existing electronic healthcare databases (Marketscan Commercial database, MarketScan Medicare Supplemental database). |
- Weekly occurrences of potentially influenza-attributable physician's office visits by age, region and season. [ Time Frame: Up to 10 years approximately (Marketscan Commercial Database) and up to 6 years approximately (Marketscan Medicare Supplemental Database). ]- All the events contained within "potentially influenza-attributable" office visits. - Weekly proportion of circulating influenza A and B strains determined for each season.
- Assessment of Influenza vaccine content and effectiveness by season. [ Time Frame: Up to 10 years approximately (Marketscan Commercial Database) and up to 6 years approximately (Marketscan Medicare Supplemental Database). ]
- Assessment of Influenza vaccine coverage by season and region. [ Time Frame: Up to 10 years approximately (Marketscan Commercial Database) and up to 6 years approximately (Marketscan Medicare Supplemental Database). ]
- Assessment of Influenza B vaccine mismatch (by region and season). [ Time Frame: Up to 10 years approximately (Marketscan Commercial Database) and up to 6 years approximately (Marketscan Medicare Supplemental Database). ]

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Ages Eligible for Study: | Child, Adult, Older Adult |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
• Recorded in a Marketscan database with any of the specified diagnostic codes.
Exclusion Criteria:
• Missing data in any of the following fields: age, diagnosis, region or visit date.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02019732
United States, Maryland | |
GSK Investigational Site | |
Bethesda, Maryland, United States, 20814 |
Study Director: | GSK Clinical Trials | GlaxoSmithKline |
Responsible Party: | GlaxoSmithKline |
ClinicalTrials.gov Identifier: | NCT02019732 |
Other Study ID Numbers: |
117233 |
First Posted: | December 24, 2013 Key Record Dates |
Last Update Posted: | January 10, 2017 |
Last Verified: | January 2017 |
Mild outcomes Database Influenza-attributable |
Retrospective Influenza United States of America (USA) |
Influenza, Human Respiratory Tract Infections Infections Orthomyxoviridae Infections |
RNA Virus Infections Virus Diseases Respiratory Tract Diseases |