Promising survival for patients with newly diagnosed glioblastoma multiforme treated with concomitant radiation plus temozolomide followed by adjuvant temozolomide

Roger Stupp*, Pierre Yves Dietrich, Sandrine Ostermann Kraljevic, Alessia Pica, Ivan Maillard, Phillipe Maeder, Reto Meuli, Robert Janzer, Gianpaolo Pizzolato, Raymond Miralbell, François Porchet, Luca Regli, Nicolas de Tribolet, René O. Mirimanoff, Serge Leyvraz

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

686 Scopus citations

Abstract

Purpose: Temozolomide is a novel oral alkylating agent with demonstrated efficacy as second-line therapy for patients with recurrent anaplastic astrocytoma and glioblastoma multiforme (GBM). This phase II study was performed to determine the safety, tolerability, and efficacy of concomitant radiation plus temozolomide therapy followed by adjuvant temozolomide therapy in patients with newly diagnosed GBM. Patients and Methods: Sixty-four patients were enrolled onto this open-label, phase II trial. Temozolomide (75 mg/m2/d x 7 d/wk for 6 weeks) was administered orally concomitant with fractionated radiotherapy (60 Gy total dose: 2 Gy x 5 d/wk for 6 weeks) followed by temozolomide monotherapy (200 mg/m2/d x 5 days, every 28 days for six cycles). The primary end points were safety and tolerability, and the secondary end point was overall survival. Results: Concomitant radiation plus temozolomide therapy was safe and well tolerated. Nonhematologic toxicities were rare and mild to moderate in severity. During the concomitant treatment phase, grade 3 or 4 neutropenia, thrombocytopenia, or both were observed in 6% of patients, including two severe infections with Pneumocystis carinii. During adjuvant temozolomide, 2% and 6% of cycles were associated with grade 3 and 4 neutropenia or thrombocytopenia, respectively. Median survival was 16 months, and the 1-and 2-year survival rates were 58% and 31%, respectively. Patients younger than 50 years old and patients who underwent debulking surgery had the best survival outcome. Conclusion: Continuous daily temozolomide and concomitant radiation is safe. This regimen of concomitant chemoradiotherapy followed by adjuvant chemotherapy may prolong the survival of patients with glioblastoma. Further investigation is warranted, and a randomized trial is ongoing.

Original languageEnglish (US)
Pages (from-to)1375-1382
Number of pages8
JournalJournal of Clinical Oncology
Volume20
Issue number5
DOIs
StatePublished - Mar 1 2002

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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