Background: Intrinsic glioma subtypes (IGS) are molecularly similar tumors that can be identified based on unsupervised gene-expression analysis. Here, we have evaluated the clinical relevance of thes
Interventions: The intervention comprises of single time-point pharmacogenetics screening for: 1. DPYD gene test for patients newly commencing on 5-fluorouracil and capecitabine chemotherapy 2. UGT1