Post first-line dacarbazine or temozolomide in neuroendocrine carcinoma.

Abstract:

Objective:First-line chemotherapy in metastatic neuroendocrine carcinomas (NECs) is based on etoposide and platinum. However, there is no standard concerning second-line treatment. The objective of this study was to evaluate efficacy and tolerance of dacarbazine or temozolomide in metastatic digestive NEC as post first-line treatment. Material and methods:This study included patients with a metastatic NEC of digestive or unknown primary site. All patients received platinum-etoposide as first-line chemotherapy. Primary endpoint was progression-free survival (PFS). Secondary endpoints were clinical/morphological responses, toxicity, and overall survival (OS). Results:Twenty-seven patients were included: 17 received dacarbazine and 10 temozolomide as post-first line treatments. Median PFS was 3.0 (95%CI (2.2;3.7)) months. There was no significant difference between dacarbazine and temozolomide on PFS. Clinical and morphological responses were found in 12 and 9 patients, respectively. Median OS was 7.2 (95%CI (2.2;12.2)) months. The toxicity profile was that expected with such treatments. Conclusion:LV5FU2-dacarbazine or temozolomide-capecitabine chemotherapies allow a temporary clinical response for almost half of patients and/or a morphological response for a third of patients.

journal_name

Endocr Connect

journal_title

Endocrine connections

authors

Couronne T,Girot P,Hadoux J,Lecomte T,Durand A,Fine C,Vandevoorde K,Lombard-Bohas C,Walter T

doi

10.1530/EC-20-0192

subject

Has Abstract

pub_date

2020-06-01 00:00:00

pages

498-505

issue

6

issn

2049-3614

pii

EC-20-0192

journal_volume

9

pub_type

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