Ewing Sarcoma-Diagnosis, Treatment, Clinical Challenges and Future Perspectives

Area of Science:

• Oncology
• Genetics
• Cancer Biology

Background:

• Ewing sarcoma is a translocation-positive sarcoma characterized by genetic simplicity and a defined oncogenic driver.
• The disease often presents with micrometastatic spread, leading to a poor prognosis in advanced or recurrent cases.
• Current standard care involves intensive systemic therapy and local treatment, associated with substantial patient morbidity.

Purpose of the Study:

• To review the current diagnostic and treatment standards for Ewing sarcoma.
• To address critical questions in clinical practice regarding Ewing sarcoma management.
• To explore scientific insights into clinical phenomena and identify needs for translational studies.

Main Methods:

• Review of international collaborative prospective studies defining the standard of care.
• Analysis of current diagnostic approaches for Ewing sarcoma.
• Evaluation of systemic and local treatment modalities.
• Identification of research gaps and future translational study directions.

Main Results:

• The combination of chemotherapy and local treatment offers a realistic chance of cure for most patients.
• Despite advances, significant treatment-associated morbidities persist, impacting survivors' quality of life.
• Understanding the genetic underpinnings aids in identifying therapeutic targets.

Conclusions:

• Current multimodal therapy improves cure rates for Ewing sarcoma but necessitates managing treatment-related toxicities.
• Further research is crucial to develop less morbid treatments and improve survival outcomes, particularly for metastatic or recurrent disease.
• Translational studies are essential to bridge the gap between clinical observations and therapeutic advancements.