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Extraosseous osteosarcoma

MONDO:0002621

An osteosarcoma arising from the soft tissue.

Also known as: extraosseous osteosarcoma, extraskeletal osteogenic sarcoma, extraskeletal osteosarcoma, osteosarcoma, extraskeletal, malignant, soft tissue osteosarcoma

2823 clinical trials for this condition and its sub-types, 2 tagged with Extraosseous osteosarcoma itself.

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Where it sits in the disease tree

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Part of

↑ Soft tissue sarcoma (646) ↑ Osteosarcoma (173)

Sub-types of Extraosseous osteosarcoma

Adult extraskeletal osteosarcoma 0 trials
Breast extraskeletal osteosarcoma 0 trials
Central nervous system extraskeletal osteosarcoma 0 trials
Childhood extraosseous osteosarcoma 0 trials
Kidney osteogenic sarcoma 0 trials
Liver extraskeletal osteosarcoma 0 trials
Mediastinal extraskeletal osteosarcoma 0 trials

Including sub-types (2823) Tagged with Extraosseous osteosarcoma (2)

Trials to join now! 1 Completed 1

New combo therapy shows promise for rare sarcomas

Disease control Completed

This study looked at adding the drug pazopanib to standard radiation or chemoradiation before surgery for patients with certain soft tissue sarcomas. The goal was to see if the combination is safe and helps shrink tumors more effectively. About 140 adults and children with newly …

Phase 2/3 • Sponsor: National Cancer Institute (NCI) • Aim: Disease control

Last updated Jun 27, 2026 14:00 UTC

Extraosseous osteosarcoma

Where it sits in the disease tree

New combo therapy shows promise for rare sarcomas