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Rosiglitazone may reduce non-melanoma skin cancer risk in Taiwanese

BACKGROUND: Whether rosiglitazone may affect the risk of non-melanoma skin cancer (NMSC) has not been investigated. METHODS: The reimbursement databases of all Taiwanese diabetic patients from 1996 to 2009 were retrieved from the National Health Insurance. An entry date was set at 1 January 2006 and...

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Detalles Bibliográficos
Autor principal: Tseng, Chin-Hsiao
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4325941/
https://www.ncbi.nlm.nih.gov/pubmed/25655946
http://dx.doi.org/10.1186/s12885-015-1057-8
Descripción
Sumario:BACKGROUND: Whether rosiglitazone may affect the risk of non-melanoma skin cancer (NMSC) has not been investigated. METHODS: The reimbursement databases of all Taiwanese diabetic patients from 1996 to 2009 were retrieved from the National Health Insurance. An entry date was set at 1 January 2006 and a total of 886418 patients with type 2 diabetes were followed up for NMSC incidence until the end of 2009. Incidences for ever-users, never-users and subgroups of rosiglitazone exposure (using tertile cutoffs of duration of therapy and cumulative dose) were calculated and hazard ratios estimated by Cox regression. Additional models were created as sensitivity analyses. RESULTS: There were 103097 ever-users and 783321 never-users, respective numbers of incident NMSC 250 (0.24%) and 2084 (0.27%), and respective incidence 68.90 and 76.77 per 100000 person-years. Although the overall hazard ratio was not significant in the unadjusted, age-sex-adjusted or fully adjusted model, the risk was significantly lower in the third tertile of duration of therapy and cumulative dose, with significant P for trends. The fully adjusted hazard ratio (95% confidence interval) for a duration of therapy >13.77 months and a cumulative dose of >1752 mg was 0.723 (0.566, 0.923) and 0.783 (0.618, 0.993), respectively. The findings were supported by various sensitivity analyses. CONCLUSIONS: Rosiglitazone may reduce the risk of NMSC, but further confirmation is required.