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. 2015;89(4):205-14.
doi: 10.1159/000381917. Epub 2015 Jun 3.

Outcomes of Systemic Therapy for Patients with Metastatic Angiosarcoma

Affiliations

Outcomes of Systemic Therapy for Patients with Metastatic Angiosarcoma

Sandra P D'Angelo et al. Oncology. 2015.

Abstract

Background: Angiosarcomas (AS) are rare tumors of vascular origin with a variable behavior and overall poor prognosis. We sought to assess the outcomes of patients treated for metastatic disease.

Methods: We performed a retrospective analysis of 119 patients treated for metastatic AS. Outcomes and efficacy measurements of the first and subsequent lines of treatment were analyzed.

Results: Median age was 61 years, and the most frequent primary sites were chest wall/breast (31%), viscera (22%) and head/neck (20%). Seventy-three (61%) and 46 (39%) patients received ≥ 2 and ≥ 3 lines of therapy, respectively. The most commonly used agents included taxanes and anthracyclines. Median overall survival was 12.1 months. Median times to tumor progression were 3.5 months for first line, 3.7 months for second line and 2.7 months for third line. Among 48 patients evaluable per RECIST, the overall response rate to first line was 30% and <10% in subsequent lines. Doxorubicin, liposomal doxorubicin and taxanes resulted in similar response rates and survival, and there was no apparent benefit for combination chemotherapy.

Conclusion: Despite reasonable response rates in the first-line setting, benefit from systemic therapy is short-lived in metastatic AS, and outcomes are poor. Doxorubicin, liposomal doxorubicin and taxanes are reasonable and appropriate choices for monotherapy.

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Conflict of interest statement

Disclosures: The authors have declared no conflicts of interest.

Figures

Figure 1
Figure 1
Overall survival curves for specific subgroups. Figure 1. Kaplan-Meier plots: Cutaneous versus non-cutaneous AS (A); KPS at baseline (B); Status of extrapulmonary visceral involvement (C); type of first-line chemotherapy (D).
Figure 2
Figure 2
Median TTP curves for different first-line treatments and response to first line treatment Figure 2. mTTP Kaplan-Meier plots based on type of first-line chemotherapy (A); Waterfall plot for illustrating patterns of response to first-line chemotherapy, each bar represents an individual patient (B).

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