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23.12.2016 | Clinical Study | Ausgabe 1/2017

Journal of Neuro-Oncology 1/2017

Patterns of care and treatment outcomes of patients with Craniopharyngioma in the national cancer database

Zeitschrift:
Journal of Neuro-Oncology > Ausgabe 1/2017
Autoren:
Yuan J. Rao, Comron Hassanzadeh, Benjamin Fischer-Valuck, Michael R. Chicoine, Albert H. Kim, Stephanie M. Perkins, Jiayi Huang
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1007/​s11060-016-2342-3) contains supplementary material, which is available to authorized users.
Yuan James Rao and Comron Hassanzadeh have contributed equally to the work.

Abstract

To investigate the patterns of care and outcomes in patients with craniopharyngioma in the National Cancer Data Base (NCDB). This study included 697 patients (166 pediatric and 531 adult cases) treated for craniopharyngioma between 2004 and 2012 in the NCDB. Adjuvant radiotherapy (RT) was defined if within 6 months of surgery. Limited surgery (LS) was defined as biopsy or subtotal resection. Proportional-hazards models were used to evaluate associations between covariates and overall survival (OS). A time-dependent analysis of RT was performed to account for early deaths after surgery. Median follow-up was 46 months. Overall, 21% of patients received adjuvant RT. Of patients with known surgical extent (n = 195), 71% had LS. Utilization of adjuvant RT increased from 18% in 2004–2007 to 24% in 2008–2012. Patterns of care regarding adjuvant RT or LS were not significantly different between adult and pediatric patients. Tumor size, low comorbidity, and LS were associated with increased utilization of adjuvant RT. The 5-year OS among patients treated with LS, LS+RT, and gross total resection were 75, 85, and 82% (p = 0.02). On multivariate analysis of the 195 patients with known surgical extent, LS+RT was associated with improved OS compared to LS (HR 0.22, 95% CI 0.05–0.99, p = 0.04), but was not significant when early deaths (<2 months from surgery) were removed to adjust for immortal-time bias. Medical practice regarding surgical approach and adjuvant RT are similar for pediatric and adult craniopharyngiomas. Immortal-time bias may confound assessment of OS for adjuvant RT. Prospective studies comparing adjuvant RT versus observation after LS are warranted.

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Zusatzmaterial
Supplementary material 1 (DOCX 26 KB)
11060_2016_2342_MOESM1_ESM.docx
Literatur
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