Reference Detail

Ref Type

Journal Article

PMID

(24424564)

Authors

Balaña C, Gil MJ, Perez P, Reynes G, Gallego O, Ribalta T, Capellades J, Gonzalez S, Verger E

Title

Sunitinib administered prior to radiotherapy in patients with non-resectable glioblastoma: results of a phase II study.

Journal	Vol	Issue	Date	Pages	Journal Short Title
Targeted oncology	9	4	2014 Dec	321-9	Target Oncol

URL

Abstract Text

Sunitinib is a tyrosine kinase inhibitor with direct anti-tumor and anti-angiogenesis activity targeting VEGFR 1-2, PDGFR α-β, c-kit, bFGF, (CSF-1), FLT3 and RET. The present trial examined the activity of sunitinib in 12 patients with newly diagnosed, non-resectable glioblastoma. Patients (≤75 years of age with performance status [PS] ≥2 and minimental status [MMS] ≥25) were treated post-biopsy with sunitinib 37.5 mg daily for 8 weeks pre-radiotherapy, during radiotherapy (60 Gy, 6 weeks) and post-radiotherapy until disease progression. The primary endpoints were overall response rate (ORR; RANO criteria) after 8 weeks of sunitinib and patient tolerance. Secondary endpoints were percentage of patients free of neurological deterioration pre-radiotherapy, percentage of patients completing radiotherapy, progression-free survival (PFS), overall survival (OS), and 1-year survival. A Simon 2-stage design (12 →20) based on ORR was applied to calculate the number of patients needed to detect at least 10 % response with α error of 0.05 and β error of 0.10. The trial was closed because it did not meet minimal activity criteria. ORR was 0 % with only 1/12 patients (8.3 %) achieving stable disease after sunitinib treatment. No patient showed reduction in gadolinium enhancement. The most frequent G3/4 toxicities were fatigue (24.9 %) and diarrhea (16.6 %); one patient died of a CNS hemorrhage; 10/12 patients (83.3 %) deteriorated neurologically before radiation therapy; median PFS was 7.7 weeks (95 % CI: 7.2-8.2); median OS was 12.8 weeks (95 % CI: 0.5-23.8 weeks); 1-year survival was 0 %. Sunitinib has no activity as monotherapy in glioblastoma, and further investigation of its efficacy in this setting is unwarranted.

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Molecular Profile	Treatment Approach

Gene Name	Source	Synonyms	Protein Domains	Gene Description	Gene Role

Therapy Name	Drugs	Efficacy Evidence	Clinical Trials

Drug Name	Trade Name	Synonyms	Drug Classes	Drug Description

Gene	Variant	Impact	Protein Effect	Variant Description	Associated with drug Resistance

Molecular Profile	Indication/Tumor Type	Response Type	Therapy Name	Approval Status	Evidence Type	Efficacy Evidence	References