Stella Pharma Corporation is a pharmaceutical company involved in research, development, manufacturing, and distribution. It focuses on drugs for boron neutron capture therapy (BNCT), including SPM-011, a boron-containing drug for treating head and neck cancer, recurrent malignant glioma, meningioma, malignant melanoma, and angiosarcoma. Incorporated in 2007, the company is headquartered in Osaka, Japan.