Immunotherapy

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Status
Done

Bevacizumab

  • Vascular endothelial growth factor (VEGF) inhibitor: sunitinib
  • VHL-haemangioblastoma
  • SPS-NF2 Vestibular schwannoma
  • Radionecrosis not responsive to steroids

Mammalian target of rapamycin inhibitor (mTOR)

  • mTOR inhibitors
    • Everolimus
    • Indication
      • Children >3 yrs and adults
      • Recurrent SEGA
      • Not surgical resectable
        • Bilateral fornix lesions with high risk of morbidity
      • Not surgical candidates
    • Aim
      • Reduce the recurrence rate of SEGAs
      • Shrinkage of other tumours associated with tuberous sclerosis (angiofibromas and angiomyolipomas)
      • Recurrence of SEGAs after surgery has been found to be low in patients treated with mTOR inhibitors.
      • Stabilize tumour
    • EXIST 1 trial
      • F/U of 28·3 months, 49% patients had a response of > 50% reduction in SEGA volume
      • Side effects: stomatitis and pneumonia
    • Side effects
      • Immunosuppression and recurrent infections,
      • Significant anaemia
      • Thrombocytopenia
      • Fatigue
      • Nausea
      • Diarrhoea

    Vorasidenib

    • Indicated for
      • IDH1- or IDH2-Mutant Low-Grade Glioma
    • Mellinghoff 2023
      • Vorasidenib, an oral brain-penetrant inhibitor of mutant IDH1 and IDH2 enzymes
      • Inclusion:
        • Residual or recurrent grade 2 IDH-mutant glioma
        • No previous treatment other than surgery
      • Progression-free survival was significantly improved in the vorasidenib group as compared with the placebo group (median progression-free survival,
        • 27.7 months vs. 11.1 months: 16 months
      • Hazard ratio for disease progression or death, 0.39

    BRAF mutation

    • Dabrafenib
      • Inhibitor of the associated enzyme B-Raf
      • Side effects include papilloma (warts), headache, nausea, vomiting, hyperkeratosis (thickening and toughening of the skin), hair loss, rash, joint pain, fever and tiredness