Pazopanib in advanced soft tissue sarcomas

Alex T J Lee1,2, Robin L Jones2,3, Paul H Huang1

  • 11Division of Molecular Pathology, The Institute of Cancer Research, London, UK.

Insights

Pazopanib improves progression-free survival in patients with advanced soft tissue sarcoma (STS). This review summarizes pazopanib

Area of Science:

  • Oncology
  • Pharmacology
  • Medical Research

Background:

  • Pazopanib is a tyrosine kinase inhibitor approved for soft tissue sarcoma (STS).
  • It targets vascular endothelial growth factor receptors, inhibiting angiogenic and oncogenic pathways.
  • Pazopanib is also approved for advanced renal cell carcinoma.

Purpose of the Study:

  • To review preclinical and clinical data for pazopanib in STS.
  • To outline the evidence for pazopanib's efficacy in various STS subtypes.
  • To explore potential biomarkers for pazopanib therapy in advanced STS.

Main Methods:

  • Review of preclinical studies on pazopanib's mechanism of action.
  • Analysis of Phase III randomized trial data for pazopanib in STS.
  • Examination of real-world case series on pazopanib's efficacy in STS cohorts.

Main Results:

  • Pazopanib demonstrated improved progression-free survival versus placebo in pretreated STS patients.
  • Efficacy has been described in mixed and subtype-specific STS cohorts.
  • No validated predictive biomarkers currently exist for selecting patients for pazopanib therapy.

Conclusions:

  • Pazopanib is an effective treatment for advanced STS across multiple subtypes.
  • Lack of predictive biomarkers limits optimal patient selection and cost-effectiveness.
  • Further research into biomarkers is needed to enhance pazopanib's clinical utility.

Related Concept Videos

Rous Sarcoma Virus (RSV) and Cancer01:03

Rous Sarcoma Virus (RSV) and Cancer

Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
RSV is a retrovirus that contains two copies of a plus-strand  RNA genome. Its genome consists of four main open...
6.3K
Extraction: Advanced Methods00:56

Extraction: Advanced Methods

Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
1.1K
Overview of Advanced Functional Groups02:22

Overview of Advanced Functional Groups


Functional groups are groups of atoms with specific chemical properties that occur within organic molecules and are sometimes denoted as “R”. Functional groups can “functionalize” a compound by enabling it to adopt different physical and chemical properties.
Types of Advanced Functional Groups
The table below summarizes some of the major functional groups in organic chemistry.
29.4K
Sample Preparation for Analysis: Advanced Techniques01:08

Sample Preparation for Analysis: Advanced Techniques

Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...
1.3K
Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques01:30

Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques

Airway management is essential in emergency and surgical medicine, ensuring ventilation and oxygenation in patients who cannot maintain their own airway. Clinicians use a range of techniques and devices to secure the airway, depending on the patient’s condition and the clinical context. Key methods include endotracheal intubation, rapid sequence intubation (RSI), supraglottic airway devices, and advanced visualization aids. In cases where these approaches fail, surgical airway...
505
Tissues01:18

Tissues

Cells with similar structure and function are grouped into tissues. A group of tissues with a specialized function is called an organ. There are four main types of tissue in vertebrates: epithelial, connective, muscle, and nervous.
84.9K