Based in San Diego, California, Sapphire Biotech is a research and development company focused on improving global cancer care. They are developing proprietary therapeutics to inhibit cancer growth and metastasis, with a lead compound specifically targeting metastatic cancer growth. Additionally, the company is working on a diagnostic test that detects the QSOX1 enzyme, a biomarker expressed in cancer, for early cancer detection, treatment response monitoring, and recurrence checking. Sapphire Biotech aims to provide innovative solutions for cancer detection, treatment, and monitoring.