Journal
JOURNAL OF NUCLEAR MEDICINE
Volume 56, Issue 11, Pages 1748-1751Publisher
SOC NUCLEAR MEDICINE INC
DOI: 10.2967/jnumed.115.155853
Keywords
meningioma; peptide receptor radionuclide therapy; somatostatin-receptor; DOTATOC; Y-90
Funding
- Swiss National Science Foundation [3238-056368.99]
- Regional Cancer League of Basel
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The standard treatment of meningiomas is surgery or radiotherapy. Complex, especially recurrent or progressive cases, may exhibit tumor growth involving critical neurovascular structures or diffuse growth, resulting in limited efficacy and higher risk of standard treatment. We evaluated whether somatostatin receptor-targeted radionuclide therapy with Y-90-DOTATOC may be a therapeutic option. Methods: Fifteen patients with recurrent or progressive meningiomas after multimodal pretreatment or unfavorable medical risk profile were treated with systemic Y-90-DOTATOC. Endpoints were progression-free survival and toxicity. Results: Usually applied doses were 7,400 MBq/m(2) of Y-90-DOTATOC in 2 fractions. Mean observation time was 49.7 mo (range, 12-137 mo). Overall median progression-free survival was at least 24 mo. Toxicity was moderate, mostly hematologic (n = 8) and transient. Conclusion: Y-90-DOTATOC therapy is feasible and may represent a promising second- or third-line option for complex meningiomas, which are progressive or otherwise not treatable with a reasonable risk-benefit ratio.
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