Global collaboration on undifferentiated round cell sarcoma

Global collaboRAtion on CIC-DUX4, BCOR-CCN3, High-grade Undifferentiated Round Cell Sarcoma (URCS) Project

Observational Istituto Ortopedico Rizzoli · NCT05357768

This study is trying to learn more about undifferentiated round cell sarcomas by looking at past and current cases to better understand this rare type of cancer.

Quick facts

Study typeObservational
Enrollment260 (estimated)
SexAll
SponsorIstituto Ortopedico Rizzoli Academic / other
Locations1 site (Bologna, BO)
Trial IDNCT05357768 on ClinicalTrials.gov

What this trial studies

This multicenter observational study aims to analyze cases of undifferentiated round cell sarcomas by reviewing clinical and histological data from both retrospective and prospective sources. It will include cases diagnosed from January 1983 onward, as well as new cases at participating sites. The study will focus on collecting and analyzing formalin-fixed paraffin-embedded tissue and/or frozen tumor samples to better understand this rare cancer type.

Who should consider this trial

Good fit: Ideal candidates for this study are patients diagnosed with undifferentiated round cell sarcomas who have available clinical and outcome information, as well as tumor tissue samples.

Not a fit: Patients with diagnoses other than undifferentiated round cell sarcomas or those lacking clinical and outcome information will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance the understanding and treatment options for patients with undifferentiated round cell sarcoma.

How similar studies have performed: While there may be limited data on similar studies, this approach of analyzing historical and new cases in collaboration across multiple centers is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients with undifferentiated round cell sarcomas treated from 01 January 1983 and all new patients will be included.
* Clinical and outcome information available.
* Histological slides/formalin-fixed paraffin-embedded tissue tumor blocks from archive available to perform the histology analysis/frozen tissue representative of the tumor available.

Exclusion Criteria:

* Diagnosis different from undifferentiated round cell sarcomas
* Patient with no clinical or outcome information available

Where this trial is running

Bologna, BO

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Undifferentiated Round Cell Sarcoma
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.