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Clinical Trial Summary

This study aims to estimate the clinical and cost impact of RV vaccinations (both Rotateq® and Rotarix®) among children aged less than 5 years using insurance claims data from commercial plans and Medicaid low-income population. The impact of incomplete and complete RV vaccination will also be examined, overall and stratified by age (e.g., 6 weeks to 8 months, 8 months and onwards ) and calendar time of RV vaccination (e.g., 2006 onward).


Clinical Trial Description

Insurance claims data from the MarketScan Commercial Claims and Encounters Database {MarketScan Commercial (2000-2011[Q2])} and the MarketScan Multi-State Medicaid Database {Marketscan Medicaid (2002-2010)} will be analyzed separately; no merging of the databases will occur.

The claims data extracts are fully de-identified and compliant with the Health Insurance Portability and Accountability Act of 1996 (U.S.) (HIPAA).

For children who received at least 1 RV vaccine dose within the Advisory Committee on Immunization Practices (ACIP)-specified vaccination window of 6 weeks to 8 months old, their observation time will be divided into three RV-vaccinated cohorts: any RV vaccination before 8 months (i.e., during the vaccination window between 6 weeks and 8 months old); complete RV vaccination (i.e., after 8 months old); and incomplete RV vaccination (i.e., after 8 months old). For children who did not receive any RV vaccine dose within the vaccination window, their observation time will be divided into four control cohorts: historical (i.e., before RV vaccines were available) unvaccinated on/before 8 months old; contemporary (i.e., after RV vaccines were available) unvaccinated on/before 8 months old; historical unvaccinated after 8 months old; and contemporary unvaccinated after 8 months old. ;


Study Design

Observational Model: Cohort, Time Perspective: Retrospective


Related Conditions & MeSH terms


NCT number NCT01682005
Study type Observational
Source GlaxoSmithKline
Contact
Status Completed
Phase N/A
Start date August 2012
Completion date August 2013

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