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An aggressive malignant mesenchymal neoplasm that arises from the liver and usually occurs in older children. It is composed of immature spindle, stellate, polymorphous, and giant cells.
Biomarker and diagnostic research for undifferentiated (embryonal) sarcoma has been reported in the published literature.
8 clinical trials registered, 4 recruiting. Interventions under study include drug therapy, gene therapy, other interventions, and procedural interventions. Pipeline includes 2 PHASE2, 5 PHASE1. Research is primarily sponsored by academic and government institutions.
NCT ID | Title | Phase | Sponsor | Status |
|---|---|---|---|---|
[NCT07148050](https://clinicaltrials.gov/study/NCT07148050) |
Data assembled from 3 of 12 sources · Last updated Sep 19, 2026, 8:28 PM UTC
Immunotherapy for Solid Tumor Malignancies in Pediatrics Using Interleukin-15 and -21 Armored Glypican-3-specific Chimeric Antigen Receptor T Cells |
PHASE1 |
Seattle Children's Hospital |
RECRUITING |
[NCT04995003](https://clinicaltrials.gov/study/NCT04995003) | HER2 Chimeric Antigen Receptor (CAR) T Cells in Combination With Checkpoint Blockade in Patients With Advanced Sarcoma | PHASE1 | Baylor College of Medicine | RECRUITING |
[NCT06198296](https://clinicaltrials.gov/study/NCT06198296) | Immunotherapy For Adults With GPC3-Positive Solid Tumors Using IL-15 and IL-21 Armored GPC3-CAR T Cells | PHASE1 | Baylor College of Medicine | UNKNOWN |
[NCT03959800](https://clinicaltrials.gov/study/NCT03959800) | Molecular Basis of Pediatric Liver Cancer | — | University of Pittsburgh | RECRUITING |
[NCT02180867](https://clinicaltrials.gov/study/NCT02180867) | Radiation Therapy With or Without Combination Chemotherapy or Pazopanib Before Surgery in Treating Patients With Newly Diagnosed Non-rhabdomyosarcoma Soft Tissue Sarcomas That Can Be Removed by Surgery | PHASE2 | National Cancer Institute (NCI) | UNKNOWN |
57 publications have been identified in PubMed for undifferentiated (embryonal) sarcoma. Research spans Case Report / Case Series (55%), Review / Meta-Analysis (14%), and Other (7%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 31 | 55% |
Research summaries | 8 | 14% |
Other research | 4 | 7% |
Laboratory research | 4 | 7% |
Clinical study results | 3 | 5% |
Disease patterns and progression | 3 | 5% |
Testing and diagnosis research | 2 | 4% |
New treatment approaches | 1 | 2% |
Msemo R (2026). [PMID: 41659944](https://pubmed.ncbi.nlm.nih.gov/41659944/). *Clin Case Rep*. [Case Report / Case Series]
Jin Q (2026). [PMID: 41472622](https://pubmed.ncbi.nlm.nih.gov/41472622/). *Expert Rev Anticancer Ther*. [Diagnostic / Biomarker]
Xiong M (2026). [PMID: 41717399](https://pubmed.ncbi.nlm.nih.gov/41717399/). *Front Oncol*. [Other]
Zhang X (2026). [PMID: 41265705](https://pubmed.ncbi.nlm.nih.gov/41265705/). *J Pediatr Surg*. [Epidemiology / Natural History]
Yeung MCF (2026). [PMID: 42192570](https://pubmed.ncbi.nlm.nih.gov/42192570/). *Genes Chromosomes Cancer*. [Basic Science / Preclinical]
Rossi S (2026). [PMID: 41490122](https://pubmed.ncbi.nlm.nih.gov/41490122/). *Pigment Cell Melanoma Res*. [Basic Science / Preclinical]
Leung E (2026). [PMID: 42011342](https://pubmed.ncbi.nlm.nih.gov/42011342/). *Radiol Case Rep*. [Case Report / Case Series]
Callegaro D (2026). [PMID: 42061374](https://pubmed.ncbi.nlm.nih.gov/42061374/). *Lancet Oncol*. [Epidemiology / Natural History]
Liang Z (2026). [PMID: 41869387](https://pubmed.ncbi.nlm.nih.gov/41869387/). *Front Surg*. [Case Report / Case Series]
Noyan A (2026). [PMID: 42283101](https://pubmed.ncbi.nlm.nih.gov/42283101/). *Int J Surg Pathol*. [Case Report / Case Series]
AI-curated news mentioning undifferentiated (embryonal) sarcoma
Updated Jun 12, 2026
A study of 39 mismatch repair-deficient sarcomas reveals recurrent histologic patterns, advocating for universal screening of pleomorphic rhabdomyosarcoma, uterine leiomyosarcoma, and undifferentiated and unclassified sarcomas. This research could influence future diagnostic and treatment strategies.