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A Surveillance, Epidemiology and End Results-Medicare data analysis of elderly patients with glioblastoma multiforme: Treatment patterns, outcomes and cost

  • Authors:
    • Eric Burton
    • Beatrice Ugiliweneza
    • Shiao Woo
    • Stephen Skirboll
    • Maxwell Boaky
  • View Affiliations / Copyright

    Affiliations: Department of Neurology, University of Louisville School of Medicine, Louisville, KY 40202, USA, Department of Neurosurgery, University of Louisville School of Medicine, Louisville, KY 40202, USA, Department of Radiation Oncology, University of Louisville School of Medicine and James Graham Brown Cancer Center, Louisville, KY 4010, USA, Department of Neurosurgery, Stanford University Medical Center, Stanford, CA 94305, USA
    Copyright: © Burton et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 971-978
    |
    Published online on: June 26, 2015
       https://doi.org/10.3892/mco.2015.590
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Abstract

The Surveillance, Epidemiology and End Results (SEER) database was used to determine the treatment patterns, outcomes and cost of therapy in elderly patients with glioblastoma multiforme (GBM). The SEER‑Medicare linked database was used to identify patients aged >66 years with GBM diagnosed between 1997 and 2009. The patients were stratified by initial treatment following diagnostic surgery (resection or biopsy) into 6 groups as follows: no treatment, standard radiation therapy (SRT) with and without concurrent temozolomide (TMZ), hypofractionated RT (HRT) with and without concurrent TMZ, or TMZ alone. The 3,759 patients identified had a median age of 74 years (range, 66-97 years). A total of ~48% of the patients received SRT without TMZ; ~10% received SRT with concurrent TMZ; ~29% received no treatment; ~10% received HRT without TMZ; ~1% received HRT with TMZ; and <1% received TMZ alone. Untreated patients had a median survival of 2 months (range, 0-89 months). Patients treated with SRT with and without concurrent TMZ had a median survival of 11 and 9 months, respectively (p=0.01). Patients treated with HRT with and without TMZ or TMZ alone had a median survivals of 3 months [adjusted hazard ratio (AHR)=0.48; 95% confidence interval (CI): 0.36‑0.66], 4 months (AHR=0.55; 95% CI: 0.49‑0.62) and 6 months (AHR=0.43; 95% CI: 0.29‑0.62), respectively. The median post‑surgery total treatment cost for patients receiving HRT with and without TMZ or TMZ alone was 63,915, 42,834 and 48,298 USD, respectively. Standard RT with concurrent TMZ was associated with improved survival, even in patients aged >75 years. HRT with and without concurrent TMZ and TMZ alone improved survival compared to the no treatment group. Therefore, in certain cases, HRT or TMZ alone may be more cost‑effective, with similar survival outcomes. The various treatment options highlight the need for geriatric assessment tools to aid in therapeutic decision making.
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Copy and paste a formatted citation
Spandidos Publications style
Burton E, Ugiliweneza B, Woo S, Skirboll S and Boaky M: A Surveillance, Epidemiology and End Results-Medicare data analysis of elderly patients with glioblastoma multiforme: Treatment patterns, outcomes and cost. Mol Clin Oncol 3: 971-978, 2015.
APA
Burton, E., Ugiliweneza, B., Woo, S., Skirboll, S., & Boaky, M. (2015). A Surveillance, Epidemiology and End Results-Medicare data analysis of elderly patients with glioblastoma multiforme: Treatment patterns, outcomes and cost. Molecular and Clinical Oncology, 3, 971-978. https://doi.org/10.3892/mco.2015.590
MLA
Burton, E., Ugiliweneza, B., Woo, S., Skirboll, S., Boaky, M."A Surveillance, Epidemiology and End Results-Medicare data analysis of elderly patients with glioblastoma multiforme: Treatment patterns, outcomes and cost". Molecular and Clinical Oncology 3.5 (2015): 971-978.
Chicago
Burton, E., Ugiliweneza, B., Woo, S., Skirboll, S., Boaky, M."A Surveillance, Epidemiology and End Results-Medicare data analysis of elderly patients with glioblastoma multiforme: Treatment patterns, outcomes and cost". Molecular and Clinical Oncology 3, no. 5 (2015): 971-978. https://doi.org/10.3892/mco.2015.590
Copy and paste a formatted citation
x
Spandidos Publications style
Burton E, Ugiliweneza B, Woo S, Skirboll S and Boaky M: A Surveillance, Epidemiology and End Results-Medicare data analysis of elderly patients with glioblastoma multiforme: Treatment patterns, outcomes and cost. Mol Clin Oncol 3: 971-978, 2015.
APA
Burton, E., Ugiliweneza, B., Woo, S., Skirboll, S., & Boaky, M. (2015). A Surveillance, Epidemiology and End Results-Medicare data analysis of elderly patients with glioblastoma multiforme: Treatment patterns, outcomes and cost. Molecular and Clinical Oncology, 3, 971-978. https://doi.org/10.3892/mco.2015.590
MLA
Burton, E., Ugiliweneza, B., Woo, S., Skirboll, S., Boaky, M."A Surveillance, Epidemiology and End Results-Medicare data analysis of elderly patients with glioblastoma multiforme: Treatment patterns, outcomes and cost". Molecular and Clinical Oncology 3.5 (2015): 971-978.
Chicago
Burton, E., Ugiliweneza, B., Woo, S., Skirboll, S., Boaky, M."A Surveillance, Epidemiology and End Results-Medicare data analysis of elderly patients with glioblastoma multiforme: Treatment patterns, outcomes and cost". Molecular and Clinical Oncology 3, no. 5 (2015): 971-978. https://doi.org/10.3892/mco.2015.590
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