Malignant Testicular Leydig Cell Tumor
NCI Definition: A Leydig cell tumor characterized by a large size, cellular atypia, high mitotic activity, vascular invasion and necrotic changes. The prognosis is usually poor. 
There is 1 clinical trial for malignant testicular Leydig cell tumor, of which 1 is open and 0 are completed or closed. Of the trial that contains malignant testicular Leydig cell tumor as an inclusion criterion, 1 is phase 2 (1 open).
Cabozantinib, ipilimumab, and nivolumab are the most common interventions in malignant testicular Leydig cell 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.