At a glance
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Open-label, Phase 2 Study of Bevacizumab in Children and Young Adults With Neurofibromatosis 2 and Progressive Vestibular Schwannomas That Are Poor Candidates for Standard Treatment With Surgery or Radiation
In Brief
A Phase 2 clinical trial evaluating Bevacizumab for Neurofibromatosis Type 2 and Progressive Vestibular Schwannomas. Completed, enrolled 22 participants across 12 sites.
Detailed Summary
To determine the hearing response rate at 24 weeks after treatment with bevacizumab for symptomatic vestibular schwannomas (VS) in children and young adults with Neurofibromatosis Type 2 (NF 2).
Study Details
Timeline
Interventions
Treatment will be administered on an outpatient basis. Bevacizumab is administered by IV infusion at a dose of 10 mg/kg every 2 weeks for 24 weeks (induction therapy, see Schema). One cycle lasts 28 days and includes two infusions of bevacizumab. Clinical response will be assessed by audiology and MRI at weeks 12 and 24. Subjects with hearing decline at weeks 12 and 24 will be taken off of protocol. After week 24, patients with a clinical response or stable disease (together comprising "clinical benefit") will transition to maintenance therapy with bevacizumab. During the maintenance phase, subjects will be treated with open-label bevacizumab 5 mg/kg every 3 weeks for up to 72 weeks. Subjects will be followed with audiology and MRI scans every 12 weeks. The total time of the study will be 96 weeks (24 weeks induction + 72 weeks maintenance).