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Updated: Feb 7, 2026

Establishment of a Primary Culture of Patient-derived Soft Tissue Sarcoma
Published on: April 11, 2018
Treatment-related adverse effects with pazopanib, sorafenib and sunitinib in patients with advanced soft tissue
Yi Que1, Yao Liang2, Jingjing Zhao1
1Department of Medical Melanoma and Sarcoma, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, People's Republic of China, zhangxing@sysucc.org.cn.
Objective:
Research efforts have investigated therapies targeting tyrosine kinase signaling pathways. We performed a pooled analysis to determine the frequency of severe adverse effects in patients with soft tissue sarcoma treated with pazopanib, sorafenib and sunitinib.
Materials And Methods:
We performed a comprehensive search of PubMed, Web of Science, Ovid, the Cochrane Library and Embase databases from the drugs' inception to May 2017 to identify clinical trials. All-grade and severe adverse events (AEs; grade≥3) were analyzed.
Results:
A total of 10 trials published between 2009 and 2016, including 843 patients, were eligible for analysis. We included 424 patients (three studies) who received pazopanib 800 mg daily, 353 patients (five studies) who received sorafenib 400 mg twice daily and 66 patients (two studies) who received sunitinib 37.5 mg daily. The incidence of AEs is different among the three VEGFR-tyrosine kinase inhibitors (TKIs). Pazopanib showed higher incidence of all-grade nausea, diarrhea and hypertension compared with sorafenib and sunitinib. However, patients in the sorafenib group experienced a significantly higher frequency of all-grade rash (26.1%), hand-foot syndrome (33.4%) and mucositis (38.5%). The difference was highly significant for sorafenib vs. pazopanib in the incidence of all-grade rash (odds ratio [OR] 1.649, 95% CI 1.086-2.505, P=0.023), hand-foot syndrome (OR 3.096, 95% CI 1.271-7.544, P=0.009) and mucositis (OR 4.562, 95% CI 2.132-9.609, P<0.001). Moreover, the frequency of grade ≥3 mucositis was significantly higher in the sunitinib group compared with the pazopanib or sorafenib group (7.6% vs. 1.3%, OR 6.448, 95% CI 1.499-27.731, P=0.013).
Conclusion:
Statistically significant differences in certain common adverse effects, such as all-grade and severe AEs, were detected among pazopanib, sorafenib and sunitinib in the current study. Early and prompt management is critically needed to avoid unnecessary dose reductions and treatment-related discontinuations.
Insights
This study compared adverse effects of pazopanib, sorafenib, and sunitinib in soft tissue sarcoma patients. Sorafenib and sunitinib showed higher rates of severe mucositis, while pazopanib had more nausea and diarrhea.
Area of Science:
- Oncology
- Pharmacology
- Clinical Trials
Background:
- Tyrosine kinase inhibitors (TKIs) are investigated for soft tissue sarcoma.
- Pazopanib, sorafenib, and sunitinib target tyrosine kinase signaling pathways.
- Understanding adverse effect profiles is crucial for treatment selection.
Purpose of the Study:
- To determine the frequency of severe adverse effects in soft tissue sarcoma patients treated with pazopanib, sorafenib, and sunitinib.
- To compare the incidence of all-grade and severe adverse events (AEs) among these three TKIs.
Main Methods:
- A pooled analysis of 10 clinical trials (2009-2016) involving 843 patients.
- Comprehensive literature search across major databases (PubMed, Web of Science, Embase, etc.) up to May 2017.
- Analysis of all-grade and severe (grade ≥3) adverse events.
Main Results:
- Pazopanib showed higher incidence of nausea, diarrhea, and hypertension compared to sorafenib and sunitinib.
- Sorafenib group had significantly higher rates of all-grade rash, hand-foot syndrome, and mucositis.
- Sunitinib group exhibited a significantly higher frequency of severe mucositis compared to pazopanib and sorafenib.
Conclusions:
- Statistically significant differences in common adverse effects exist among pazopanib, sorafenib, and sunitinib.
- Prompt management of AEs is essential to prevent dose reductions and treatment discontinuations.
- This comparative analysis aids in optimizing TKI selection for soft tissue sarcoma.
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