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Poster display session

4391 - Response to apatinib in advanced alveolar soft part sarcoma


11 Sep 2017


Poster display session


Clinical Research;  Soft Tissue Sarcomas


Chongqi Tu


Annals of Oncology (2017) 28 (suppl_5): v521-v538. 10.1093/annonc/mdx387


C. Tu, F. Tang, Y. Zhou, L. Min, Y. Luo, W. Zhang, R. Shi, H. Duan

Author affiliations

  • Department Of Orthopedics, West China Hospital, Sichuan University, 610041 - Chengdu/CN


Abstract 4391


Alveolar soft part sarcoma (ASPS) is a rare, hypervascular and chemo-resistant soft tissue sarcoma. Apatinib, a novel tyrosine kinase inhibitor that highly selectively binds to the ATP-binding site of VEGFR-2 within cells resulting in inhibition of tumor angiogenesis, has shown a substantial potential in angiosarcoma, malignant fibrous histiocytoma and round cell liposarcoma. This study aimed to review the clinical efficacy and safety of apatinib in ASPS.


The clinical information of 6 patients with advanced ASPS who received apatinib were collected. The median age of them was 26.5 years old (17y-32y). Five patients were found with multiple lung metastases and one (case 4) was with locally advanced unresectable tumor. The maximum diameters of locally advanced tumor and metastatic nodules were measured by MRI and thin-section CT, respectively. All cases received apatinib at initial continuous daily dosing of 500 mg every 4 weeks. Clinical efficacy was evaluated according to RECIST v1.1. The adverse events (AEs) were graded according to CTCAE v4.03.


Median follow-up from start of apatinib treatment was 10.2 months (range, 1-21 months). Five of 6 patients who received at least 1 complete cycle of apatinib treatment were eligible for the efficacy analysis (Table). One patient achieved RECIST complete response and stop apatinib treatment after six cycles. Four patients got partial response. No disease progression was found. The current objective response rate to apatinib treatment was 100% (5/5). The most common grade 3/4 treatment-related AEs were hand-foot syndrome (60.0%), hypertension (20.0%), and hepatotoxicity (20.0%). No drug-related severe AEs occurred. At the time of analysis, all patients were still alive and five patients continued to receive apatinib.Table:

1504P Clinical data of six patients with alveolar soft part sarcoma who received apatinib

CaseAge/genderLocal tumor locationLocal tumor size (cm)Local tumor resection (Yes/No)ChemotherapyCyclesClinical efficacy
117/maleLeft thigh4.5YesGemcitabin + DocetaxelStop 6CR
227/femaleRight thigh10.5NoNoneOngoning 2PR
329/maleLeft thigh11.3NoIfosfamideOngoing 4PR
432/maleRight thigh16.9NoIfosfamide+ CisplatinOngoing 4PR (Local tumor volume decrease)
526/maleLeft thigh9.6YesNoneOngoing 6PR
628/FemaleRight thigh5.8NoNoneOngoing


Our analysis confirms the short-term efficacy and safety of apatinib in patients with advanced ASPS. This result supports future randomized controlled trial to further verify anti-tumor activity of apatinib in stage IV sarcomas.

Clinical trial identification

Legal entity responsible for the study

Chongqi Tu




All authors have declared no conflicts of interest.

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