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STSA Satsuma Pharmaceuticals, Inc. Compare

Author

Ava Arnold

Updated on March 21, 2026

Satsuma Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, developing novel therapeutic products for the acute treatment of migraines. Its lead product candidate is STS101, a drug-device combination of a proprietary dry-powder formulation of dihydroergotamine mesylate, which is in ASCEND Phase III clinical trials and can be self-administered with proprietary pre-filled, single-use, and nasal delivery device. The company was incorporated in 2016 and is headquartered in South San Francisco, California.