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WEUSKOP6166: Lamotrigine and Aseptic Meningitis

Information source: GlaxoSmithKline
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Epilepsy

Intervention: Lamotrigine (Drug)

Phase: N/A

Status: Completed

Sponsored by: GlaxoSmithKline

Official(s) and/or principal investigator(s):
GSK Clinical Trials, Study Director, Affiliation: GlaxoSmithKline

Summary

The objective of the study is to quantify the number of cases of aseptic meningitis among users of Lamotrigine. This study is a cross-sectional study design using data on lamotrigine patients within the Thomson Reuters MarketScan® Commercial database (MarketScan database). The MarketScan database is a US-based insurance claims database representative of a US insured population and includes supplemental datao n Medicare patients. This cross-sectional study will evaluate the number of cases of aseptic meningitis among lamotrigine users during the duration of lamotrigine therapy, with an extended exposure window of 30 days after completing therapy. The MarketScan® Database is an US insurance claims database that is held in-house at GSK, which can be interrogated to examine rates of prescribing and medical conditions that can be captured via ICD-9 diagnoses codes. The MarketScan database captures person-specific clinical utilization, expenditures, and enrollment across inpatient, outpatient, prescription drug, and carve-out services from a selection of large employers, health plans, and government and public organizations. The annual medical databases include private sector health data from approximately 100 payers. In 2011, there were approximately 35 million patients on the database. The Commercial Claims and Encounters Database represents the medical experience of insured employees and their dependents for active employees, early retirees, COBRA continues, and their dependents insured by employer-sponsored plans (i. e., non-Medicare eligibles). In addition, a linked Medstat Medicare database contains predominantly fee-for-service plan data in insurance plans where both the Medicare-paid amounts and the employer-paid amounts were available and evident on the claims. The data are HIPAA compliant thus all patients have been anonymized.

Clinical Details

Official title: WEUSKOP6166: Prevalence of Aseptic Meningitis Among Lamotrigine Users

Study design: Time Perspective: Cross-Sectional

Primary outcome: Aseptic meningitis during the period of time the patient is taking lamotrigine

Eligibility

Minimum age: N/A. Maximum age: N/A. Gender(s): Both.

Criteria:

Inclusion Criteria:

- Patients must be using lamotrigine for epilepsy or bipolar disorder.

- Patients must have at least 180 days history on the database prior to the index of

lamotrigine use.

- Patients must have medical and pharmacy coverage throughout the study, with no gaps

in eligibility. Exclusion Criteria:

- None

Locations and Contacts

Additional Information

Starting date: May 2012
Last updated: August 2, 2012

Page last updated: August 23, 2015

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