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Low dose DTIC is effective and safe in pretreated patients with well differentiated neuroendocrine tumors

Overview of attention for article published in BMC Cancer, August 2016
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Title
Low dose DTIC is effective and safe in pretreated patients with well differentiated neuroendocrine tumors
Published in
BMC Cancer, August 2016
DOI 10.1186/s12885-016-2642-1
Pubmed ID
Authors

Daniela Mueller, Sebastian Krug, Moushumee Majumder, Anja Rinke, Thomas Matthias Gress

Abstract

Streptozocin (STZ) based chemotherapy is recommended for patients with metastatic pancreatic neuroendocrine tumors (pNET). Temozolomide as mono- or combination therapy has been suggested to be a promising alternative. However, the treatment is costly and not approved for the treatment of pNETs. Dacarbazine (DTIC) shares the active metabolite with temozolomide and is broadly available at a low cost. The aim of this study was a retrospective evaluation of the efficacy and tolerability of a lower dose DTIC-regimen in patients with progressive advanced NETs. We retrospectively analyzed 75 patients with NETs predominantly of pancreatic origin treated at our center between 1998 and 2013. 650 mg/m(2) of DTIC were administered intravenously over 60 min every 4 weeks. Morphological response was assessed according to RECIST1.1 criteria. The median progression free survival (PFS) was calculated using Kaplan-Meier and Cox regression methods, respectively. Univariate analyses of possible prognostic markers were performed. The objective response rate (ORR) was 27 % for the entire cohort and 32 % in 50 pNET patients, respectively. Stable disease (SD) was documented in 29 patients (39 %). Median PFS (mPFS) in patients receiving DTIC was 7 months (3.9-10; 95 % confidence interval). Radiological and biochemical response were the only significant prognostic markers for longer PFS in univariate analysis. Treatment was well tolerated. Nausea was the most common side effect (31 %), only one case (1.3 %) of grade 3 toxicity (vomiting) occurred. Low dose DTIC chemotherapy is an effective and well-tolerated treatment option in patients with progressive well differentiated neuroendocrine neoplasms, especially of pancreatic origin.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 14 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 14 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 2 14%
Student > Doctoral Student 2 14%
Student > Ph. D. Student 2 14%
Other 1 7%
Student > Master 1 7%
Other 3 21%
Unknown 3 21%
Readers by discipline Count As %
Medicine and Dentistry 6 43%
Nursing and Health Professions 2 14%
Economics, Econometrics and Finance 1 7%
Computer Science 1 7%
Unknown 4 29%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 18 August 2016.
All research outputs
#20,337,788
of 22,883,326 outputs
Outputs from BMC Cancer
#6,506
of 8,326 outputs
Outputs of similar age
#299,346
of 343,111 outputs
Outputs of similar age from BMC Cancer
#208
of 290 outputs
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We're also able to compare this research output to 290 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.