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  • Title: Randomized phase II trial of irinotecan and bevacizumab as neo-adjuvant and adjuvant to temozolomide-based chemoradiation compared with temozolomide-chemoradiation for unresectable glioblastoma: final results of the TEMAVIR study from ANOCEF†.
    Author: Chauffert B, Feuvret L, Bonnetain F, Taillandier L, Frappaz D, Taillia H, Schott R, Honnorat J, Fabbro M, Tennevet I, Ghiringhelli F, Guillamo JS, Durando X, Castera D, Frenay M, Campello C, Dalban C, Skrzypski J, Chinot O.
    Journal: Ann Oncol; 2014 Jul; 25(7):1442-1447. PubMed ID: 24723487.
    Abstract:
    BACKGROUND: Prognosis of unresectable glioblastoma (GB) remains poor, despite temozolomide (TMZ)-based chemoradiation. Activity of bevacizumab (BEV) and irinotecan (IRI) has been reported in recurrent disease. We evaluated BEV and IRI as neo-adjuvant and adjuvant treatment combined with TMZ-based chemoradiation for unresectable GB. PATIENTS AND METHODS: Patients with unresectable GB, age 18-70, IK ≥50 were eligible. The experimental arm (BEV/IRI) consisted of neo-adjuvant intravenous BEV, 10 mg/kg, and IRI, 125 mg/m(2), every 2 weeks for four cycles before radiotherapy (RT) (60 Gy), concomitant oral TMZ, 75 mg/m(2)/day, and BEV, 10 mg/kg every 2 weeks. Adjuvant BEV and IRI were given every 2 weeks for 6 months. The control arm consisted of concomitant oral TMZ, 75 mg/m(2)/day during RT, and 150-200 mg/m(2) for 5 days every 28 days for 6 months. The use of BEV was allowed at progression in the control arm. RESULTS: Patients (120) were included from April 2009 to January 2011. The working hypothesis was that treatment would increase the progression-free survival at 6 month (PFS-6) from 50% to 66%. The primary objective was not achieved, and only 30 out of 60 patients were alive without progression at 6 months (50.0% [IC95% (36.8; 63.1)] in the BEV/IRI arm when 37 out of 60 patients were required according to the Fleming decision rules. PFS-6 was 7.1 months in BEV/IRI versus 5.2 months in the control arm. The median overall survival was not different between the two arms (11.1 months). Main toxicities were three fatal intracranial bleedings, three bile duct or digestive perforations/infections (1 fatal), and six thrombotic episodes in the BEV/IRI arm, whereas there was one intracranial bleeding, two bile duct or digestive perforations/infections (1 fatal), and one thrombotic episode in the control arm. CONCLUSIONS: Neo-adjuvant and adjuvant BEV/IRI, combined with TMZ-radiation, is not recommended for further evaluation in the first-line treatment of unresectable GB. CLINICAL TRIAL REGISTRATION: Clinical trial registered under EUDRACT number 2008-002775-28 (NCT01022918).
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