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Year : 2015  |  Volume : 52  |  Issue : 4  |  Page : 599-603

Clinical outcome of patients with primary gliosarcoma treated with concomitant and adjuvant temozolomide: A single institutional analysis of 27 cases

Department of Radiation Oncology, Dr. B.R.A. IRCH, All India Institute of Medical Sciences, New Delhi, India

Correspondence Address:
G K Rath
Department of Radiation Oncology, Dr. B.R.A. IRCH, All India Institute of Medical Sciences, New Delhi
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0019-509X.178407

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CONTEXT AND AIM: The prognosis of primary gliosarcoma (PGS) remains dismal with current treatment modalities. We analyzed the outcome of PGS patients treated with concurrent and adjuvant temozolomide (TMZ). SETTINGS AND DESIGN: Retrospective single institutional analysis. MATERIALS AND METHODS: We retrospectively evaluated 27 patients of PGS treated with radiotherapy (RT) and TMZ during 2007-2012. STATISTICAL ANALYSIS USED: Overall survival (OS) was estimated by the use of Kaplan Meier method and toxicities were evaluate using common terminology criteria for adverse events version 2.0 (National Cancer Institute, USA). RESULTS: Median age at presentation and Karnofsky performance status was 45 years and 90 respectively and male: female ratio was 20:7. Patients received adjuvant RT to a total dose of 60 Gy at 2 Gy/fraction. All patients except 5 received adjuvant TMZ to a median number of 6 cycles. Grade 2 and 3 hematological toxicity was seen in 8% and 4% of patients respectively during concurrent RT. During adjuvant chemotherapy, 13.6% had Grade 3 thrombocytopenia and 9.5% had Grade 3 neutropenia. Median OS was 16.7 months (1 year and 2 year actuarial OS was 70.8% and 32.6% respectively). Adjuvant TMZ was associated with a better survival (median survival 21.21 vs. 11.93 months; P = 0.0046) on univariate analysis and also on multivariate analysis (hazard ratio 1.82, 95% confidence interval: 1.503-25.58; P = 0.012). CONCLUSIONS: The results of our study, largest series of patients with PGS treated with concurrent and adjuvant TMZ shows an impressive survival with acceptable toxicity. We suggest TMZ be included in the “standard of care” for this tumor.


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