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Updated: Sep 1, 2025

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A Mouse Model of Incompletely Resected Soft Tissue Sarcoma for Testing Neoadjuvant Therapies
Published on: July 28, 2020
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Alveolar soft part sarcoma: progress toward improvement in survival? A population-based study.
Tomohiro Fujiwara1, Eiji Nakata2, Toshiyuki Kunisada2
1Department of Orthopaedic Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, Japan. tomomedvn@okayama-u.ac.jp.
BMC Cancer
|August 15, 2022
Summary
Alveolar soft part sarcoma (ASPS) is a rare cancer that often spreads to the lungs and brain. Targeted therapy like pazopanib shows promise for improving survival in metastatic ASPS patients.
Area of Science:
- Oncology
- Sarcoma Research
- Medical Therapeutics
Background:
- Alveolar soft part sarcoma (ASPS) is a rare soft-tissue sarcoma subtype.
- ASPS is known to be resistant to conventional chemotherapy.
Purpose of the Study:
- To characterize ASPS and its clinical course.
- To investigate improvements in oncological outcomes for ASPS over the past decade.
Main Methods:
- Retrospective analysis of 120 newly diagnosed ASPS patients from 2006-2017.
- Data sourced from the Bone and Soft-Tissue Tumor Registry in Japan.
Main Results:
- Metastasis at presentation was the primary adverse prognostic factor for disease-specific survival (DSS).
- Patients treated with pazopanib showed prolonged survival compared to those receiving doxorubicin-based chemotherapy.
- A trend towards improved DSS for metastatic ASPS was observed after pazopanib's approval in 2012.
Conclusions:
- ASPS exhibits frequent lung and brain metastasis with an indolent clinical course.
- Targeted therapy introduction shows a trend toward prolonged survival.
- Further development of novel therapies is encouraged for this resistant sarcoma.
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