Format

Send to

Choose Destination
Endocrine. 2019 Apr 29. doi: 10.1007/s12020-019-01941-w. [Epub ahead of print]

Extended cycle streptozotocin/5-FU chemotherapy for maintenance therapy in pancreatic neuroendocrine tumors.

Author information

1
Department of Medicine - Gastroenterology and Hepatology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany. j.schrader@uke.de.
2
Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany. j.schrader@uke.de.
3
Department for Diagnostic and Interventional Radiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
4
Department of Medicine - Gastroenterology and Hepatology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
5
Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.

Abstract

PURPOSE:

The standard of care treatment for patients with advanced pancreatic neuroendocrine tumors (pNET) is a combination of streptozotocin and 5-FU. Although widely used, little is known about the best long-term strategy with these substances.

METHODS:

We here report our experience of 28 patients treated with streptozotocin/5-FU for advanced pNET with special consideration for long-term management using an extended cycle protocol.

RESULTS:

Standard 6-weekly Moertel protocol resulted in a median progression-free survival of 21 months (range 3-128) and a median overall survival of 69 months (range 3-157+) in the whole cohort. Thirteen of the 28 patients were switched to an extended 3-month cycle protocol for maintenance therapy. Of these 13 patients, 2 achieved complete remission, 1 partial remission, and 8 stable disease as best response while 2 showed progressive disease following switch to the extended protocol, resulting in an additional median progression-free survival of 23 months. Median overall survival after the start of chemotherapy in this patient group was 69 months (21-157+). Patients benefitted from extended periods free of chemotherapy-associated side effects after switching to the extended cycle protocol.

CONCLUSIONS:

Switching to an extended cycle protocol of 3 months for maintenance therapy following initial standard cycles may achieve long-term disease stabilization in selected patients with advanced pNET with good patient acceptance.

KEYWORDS:

5-FU; Chemotherapy; Neuroendocrine tumor; Streptozotocin

PMID:
31037707
DOI:
10.1007/s12020-019-01941-w

Supplemental Content

Full text links

Icon for Springer
Loading ...
Support Center