However, the combination therapy in the unmethylated patients showed an apparent better outcome that almost reached statistical significance when compared to the RT-arm ( P = .055).
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No benefit from TMZ treatment in glioblastoma with truly unmethylated MGMT promoter: Reanalysis of the CE.6 and the pooled Nordic/NOA-08 trials in elderly glioblastoma patients.
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0.0550
0.0551
The sentences
almost reached significanceP = .0551
In the original analysis including all unmethylated patients, the comparison almost reached significance ( P = .0551).
Based on the CE.6 study 13 that showed almost significant benefit from the addition of TMZ to RT, many patients with tumors without MGMT p methylation receive combination therapy including TMZ with the hope of improving outcomes.