NCI Definition: A soft tissue tumor of uncertain lineage characterized by the presence of neoplastic spindle-shaped to round cells in a fibromyxoid stroma. Metaplastic bone formation may or may not be present. 
Fibromyxoid tumors most frequently harbor alterations in PTEN, WHSC1, RPTOR, RB1, and PHF1 .
PTEN Loss, WHSC1 Mutation, WHSC1 C687R, RPTOR Mutation, and RPTOR A245V are the most common alterations in fibromyxoid tumor .
There is 1 clinical trial for fibromyxoid tumor, of which 1 is open and 0 are completed or closed. Of the trial that contains fibromyxoid tumor as an inclusion criterion, 1 is phase 2 (1 open).
Nilotinib and paclitaxel are the most common interventions in fibromyxoid tumor clinical trials.
2. The AACR Project GENIE Consortium. AACR Project GENIE: powering precision medicine through an international consortium. Cancer Discovery. 2017;7(8):818-831. Dataset Version 8. This dataset does not represent the totality of the genetic landscape; see paper for more information.