Tazemetostat is used to treat advanced epithelioid sarcoma, a rare slow-growing type of soft tissue cancer. tazemetostat is used when the cancer has spread to other parts of the body (metastatic) or cannot be removed with surgery.
Tazemetostat is for use in adults and children at least 16 years old.
Tazemetostat was approved by the US Food and Drug Administration (FDA) on an "accelerated" basis. In clinical studies, some people responded to this medicine, but further studies are needed.
Tazemetostat may also be used for purposes not listed in this medication guide.
