Treatment of poorly differentiated neuroendocrine tumours with etoposide and cisplatin

Abstract

The purpose of this study was to evaluate by a retrospective analysis of 53 patients the efficacy of chemotherapy combining etoposide and cisplatin in the treatment of neuroendocrine tumours. The regimen was a combination of etoposide 100 mg m(-2) day(-1) for 3 days and cisplatin 100 mg m(-2) on day 1, given by 2-h intravenous infusion, administered every 21 days. Twelve patients had a well-differentiated and 41 a poorly differentiated neuroendocrine tumour. Toxicity of treatment was assessed in 50 patients and efficacy in 52 patients. Among the 11 patients with a well-differentiated tumour evaluable for tumoural response, only one (9.4%) had a partial response for 8.5 months. Forty-one patients with a poorly differentiated tumour showed an objective response rate of 41.5% (four complete and 13 partial responses); the median duration of response was 9.2 months, the median overall survival 15 months and the median progression-free survival 8.9 months. Haematological grade 3-4 toxicity was observed in 60% of the cases with one treatment-related death, digestive grade 3-4 toxicity in 40% and grade 3 alopecia was constant. No severe renal, hearing and neurological toxicities were observed (grade 1 in 6%, 14%, 72% respectively and no grade >1). We confirm that poorly differentiated neuroendocrine tumours are chemosensitive to the etoposide plus cisplatin combination. However, the prognosis remains poor with a 2-year survival lower than 20% confirming that new therapeutic strategies have to be developed.

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Cited by papers we hold 2

• An updated analysis of the epidemiologic trends of neuroendocrine tumors in Taiwan · 2021
  Not checked
• Chemotherapy with 5-fluorouracil, cisplatin and streptozocin for neuroendocrine tumours · 2010
  No notice

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