Superior Vena Cava Leiomyosarcoma
NCI Definition: An aggressive malignant smooth muscle neoplasm, arising from the superior vena cava. It is characterized by a proliferation of neoplastic spindle cells. 
There is 1 clinical trial for superior vena cava leiomyosarcoma, of which 1 is open and 0 are completed or closed. Of the trial that contains superior vena cava leiomyosarcoma as an inclusion criterion, 1 is phase 2 (1 open).
Pembrolizumab is the most common intervention in superior vena cava leiomyosarcoma 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 6. This dataset does not represent the totality of the genetic landscape; see paper for more information.