Rhabdoid Tumors Cellular Architecture by Single-cell Analyses (InnovRT-2) (InnovRT-2)

  • STATUS
    Recruiting
  • End date
    Apr 25, 2025
  • participants needed
    15
  • sponsor
    Assistance Publique - Hôpitaux de Paris
Updated on 25 April 2022

Summary

The aim is to describe at the cellular level the heterogeneity of rhabdoid tumors, and identify how this diversity influences resistance to treatment.

Description

Rhabdoid tumors are aggressive cancers of infancy. Although frequently chemosensitive at the very beginning, they very often show resistance, suggesting some intra-tumor diversity or plasticity. Moreover, morphological analysis of rhadoid tumors often reveal some variety in tumor cell shapes and immunohistochemical profiling. Altogether, this suggests some intra-tumor heterogeneity, that has been scarcely studied so far.

This project aims to describe the intra-tumor heterogeneity by single-cell sequencing approaches.

After surgical resection, fresh tumor samples will be dissected and analysed using the 10X Chromium technology. Briefly, cells will be grouped in clusters according to their gene expression signalling, and each cluster will be defined in comparison with all other ones. Differential analyses will allow identifying the main characteristic of each cell sub-population. Potential filiations between clusters will be analysed using classical algorithms. The study will be performed on 10 to 15 tumor samples.

Details
Condition ATRT
Treatment analyzes in singles cells
Clinical Study IdentifierNCT04987476
SponsorAssistance Publique - Hôpitaux de Paris
Last Modified on25 April 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Aged 0-17 years old
having a rhabdoid tumor according to clinical and radiological features Or likely having a rhabdoid tumor according to clinical and radiological features
surgical resection in standard care
sufficient material for both diagnosis and experimental procedures
parents' agreement
health insurance
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