4.5 Article

Treatment Patterns and Outcomes Among Elderly Glioblastoma Patients in Riyadh, Saudi Arabia

Journal

ONCOTARGETS AND THERAPY
Volume 15, Issue -, Pages 135-144

Publisher

DOVE MEDICAL PRESS LTD
DOI: 10.2147/OTT.S344700

Keywords

glioblastoma; elderly; chemotherapy; radiotherapy

Funding

  1. research centre at King Fahad Medical City

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Management of elderly patients with GBM is controversial. The study found that conventional radiotherapy and completion of adjuvant chemotherapy were associated with better overall survival (OS), while early start of adjuvant treatment and completion of adjuvant chemotherapy were associated with better progression-free survival (PFS).
Background: Management of elderly patients with glioblastoma (GBM) is a controversial scenario and needs careful assessment and selection for aggressive radical treatment and chemotherapy protocols vs short-course radiotherapy without chemotherapy. Methods: We evaluated treatment patterns and outcome among elderly GBM patients treated in KFMC, Riyadh. The primary endpoint is overall survival (OS) and the secondary endpoint is progression-free survival (PFS); patients were reviewed regarding radiotherapy (Rth) fractionation modalities, surgery, and chemotherapy (CTR) given in correlation to PFS, OS. Results: Fifty-nine patients were recruited in our study with median age 66 (range: 60-81) years, and 47 (80%) were males. Thirtyseven patients (62.7%) had ECOG performance status (PS) >= 2, and 22 patients (37.3%) had PS <2. Gross total resection (GTR) and subtotal resection (STR) were done in 49 (82.9%) patients, and the median follow-up was 12 months. Thirty-eight (64%) patients received conventional Rth 60 Gray (Gy)/30 fractions or equal doses and 21 (36%) patients received hypofractionation Rth (40 Gy/15, 25 Gy/5 or 30 Gy/10 fractions). The median OS was 12 months (95%CI: 9.52-14.48). Receiving conventional Rth and completion of six months adjuvant CTR were significant factors for O.S (P=0.043 and 0.026), respectively. The median PFS was nine months (95% CI: 6.13-11.87). For univariate analysis, PS, time to start adjuvant treatment, and completion of six months CTR were significant factors for PFS. Conclusion: Conventional Rth and completion of adjuvant CTR lead to better OS, while earlier start of adjuvant treatment and the completion of adjuvant CTR were associated with a better PFS.

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