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Neoadjuvant etoposide, ifosfamide, and cisplatin for the treatment of olfactory neuroblastoma
Dong-Wan Kim1, Yo-Han Jo, Jee Hyun Kim
1Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea.
Background:
The optimal chemotherapy regimen for the treatment of olfactory neuroblastoma has not been clearly defined. The purpose of the current study was to evaluate the efficacy of neoadjuvant chemotherapy with the combination of etoposide, ifosfamide, and cisplatin (VIP) for patients with olfactory neuroblastoma.
Methods:
Eleven consecutive patients with newly diagnosed olfactory neuroblastoma were treated with etoposide (75 mg/m2), ifosfamide (1000 mg/m2), and cisplatin (20 mg/m2) all administered intravenously on Days 1-5. Cycles were repeated every 21 days. Patients were excluded from analysis if they had previously received surgery or radiotherapy.
Results:
Nine patients achieved objective responses (objective response rate, 82%; 95% confidence interval, 52-95%), which included 2 complete responses and 7 partial responses. The major side effect was hematologic toxicity, with Grade 3/4 neutropenia observed after the receipt of 37% of all cycles and febrile neutropenia observed after the receipt of 2 cycles. All toxic events were reversible, and no chemotherapy-related deaths were documented. The median survival period was 18 months (range, 3-45 months).
Conclusions:
Neoadjuvant VIP chemotherapy was active in the treatment of olfactory neuroblastoma.
