Glioblastoma treatment patterns, survival, and healthcare resource use in real-world clinical practice in the USA

Allicia C Girvan, Gebra C Carter, Li Li, Anna Kaltenboeck, Jasmina Ivanova, Maria Koh, Jessi Stevens, Eleanor Hayes-Larson, Michael M Lahn

Abstract

Background: Glioblastoma (GB) treatment remains challenging because of recurrence and poorly defined treatment options after first-line therapy. To better understand real-world application of treatment paradigms and their impact on outcomes, we describe patterns of treatment, outcomes, and use of cancer-related healthcare resource for glioblastoma in the USA.

Methods: A retrospective, online chart-abstraction study was conducted; each participating oncologist contributed ≤5 charts. Patients were ≥18 years with biopsy-confirmed primary or secondary newly diagnosed GB on or after 1 January 2010, had received first- and second-line therapies, and had information collected for ≥3 months after initiation of second-line therapy or until death. Assessments were descriptive and included Kaplan–Meier analyses from initiation to end of second-line therapy, disease progression, or death.

Results: One hundred sixty physicians contributed information on 503 patient charts. During first-line therapy, patients most commonly underwent temozolomide monotherapy (76.5%). During second-line therapy, patients most commonly underwent bevacizumab monotherapy (58.1%). Median duration of second-line therapy was 130 days; median time to disease progression was 113 days. Median survival was 153 days. Use of supportive care was observed to be numerically higher in first- compared with second-line therapy except for anti-depressants, growth factors, and stimulants. Frequently used resources included corticosteroids (78.8% of patients in first-line and 62.6% in second-line therapies), anti-epileptics (45.8% and 41.5%) and narcotic opioids (45.3% and 41.4%).

Conclusions: Most GB patients received temozolomide during first-line therapy and bevacizumab monotherapy or combination therapy during second-line therapy. Use of supportive care appeared to be higher in first- compared with second-line therapy for some agents.

Article Details

Article Type

Original Research

DOI

10.7573/dic.212274

Publication Dates

Published: .

Citation

Girvan AC, Carter GC, Li L, Kaltenboeck A, Ivanova J, Koh M, Stevens J, Hayes-Larson E, Lahn MM. Treatment patterns for glioblastoma, survival, and use of healthcare resources in real-world clinical practices in the USA. Drugs in Context 2015; 4: 212274. doi: 10.7573/dic.212274

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