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Radiotherapy plus concomitant and adjuvant temozolomide for glioblastoma in elderly patients.


Posted on: 02/15/2008

j Neurooncol. 2008 Feb 5 [Epub ahead of print]Click here to read Links

Radiotherapy plus concomitant and adjuvant temozolomide for glioblastoma in elderly patients.

Department of Radiotherapy Oncology, S Andrea Hospital, University “La Sapienza”, Via di Grottarossa 1035, 00189, Rome, Italy, Giuseppe.Minniti@ospedalesantandrea.it.

Objectives The optimal treatment for elderly patients (age > 70 years) with glioblastoma remains controversial. We conducted a prospective trial in 32 consecutive elderly patients with glioblastoma who underwent surgery followed by radiotherapy (RT) plus concomitant and adjuvant temozolomide. Patients and Methods 32 patients 70 years of age or older with a newly diagnosed glioblastoma and a Karnofsky performance status (KPS) >/= 70 were treated with RT (daily fractions of 2 Gy for a total of 60 Gy) plus temozolomide at the dose of 75 mg/m(2) per day followed by six cycles of adjuvant temozolomide (150-200 mg/m(2 )for 5 days during each 28-day cycle). The primary endpoint was overall survival (OS). Secondary endpoints included progression free survival (PFS) and toxicity. Results The median OS was 10.6 months and the median PFS was 7 months. The 6-month and 12-month survival rates were 91% and 37%, respectively. The 6-month and 12-month PFS rates were 56% and 16%, respectively. In multivariate analysis KPS was the only significant independent predictive factor of survival (P = 0.01). Adverse effects were mainly represented by neurotoxicity (40%), which resolved in most cases with the use of steroids, and Grade 3-4 hematologic toxicity in 28% of patients. Chemotherapy was stopped in 2 patients, delayed in 9 patients and reduced in 4 patients. Conclusions Standard RT plus concomitant and adjuvant temozolomide is a feasible treatment for elderly patients with newly diagnosed glioblastoma who present with good prognostic factors.

PMID: 18250965 [PubMed - as supplied by publisher]

 


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