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Updated: Feb 7, 2026

Establishment of a Primary Culture of Patient-derived Soft Tissue Sarcoma
07:55

Establishment of a Primary Culture of Patient-derived Soft Tissue Sarcoma

Published on: April 11, 2018

15.2K

Recurrent retroperitoneal soft tissue sarcoma showing drastic reduction after pazopanib administration accompanied by

Kazuki Okubo1, Akio Horiguchi1, Keiichi Ito1

  • 1Department of Urology, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama, 359-8513, Japan.

Urology Case Reports
|July 14, 2018
PubMed

Insights

Pazopanib effectively treated soft tissue sarcoma but caused severe liver dysfunction. Treatment was stopped, liver function recovered, and the tumor regrew, highlighting a critical treatment challenge.

Area of Science:

  • Oncology
  • Pharmacology
  • Hepatology

Background:

  • Pazopanib is an oral tyrosine kinase inhibitor used for metastatic renal cell carcinoma and soft tissue sarcoma.
  • Soft tissue sarcoma is a rare cancer requiring effective treatment options.

Observation:

  • A patient with recurrent retroperitoneal soft tissue sarcoma experienced tumor reduction after pazopanib initiation.
  • This response was concurrent with severe liver dysfunction.

Findings:

  • Pazopanib administration led to a significant decrease in tumor size.
  • Discontinuation of pazopanib and conservative management with hepatoprotectors restored liver function.
  • The sarcoma regrew within four months after treatment cessation.

Implications:

  • Pazopanib demonstrates efficacy in soft tissue sarcoma but carries a risk of severe hepatotoxicity.
  • Careful monitoring of liver function is crucial during pazopanib therapy.
  • Further research is needed to optimize pazopanib use and manage its side effects in sarcoma patients.
Keywords:
Liver toxicityPazopanibRecurrent soft tissue sarcoma

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