Nasal Drug Delivery

SNBL’s nasal drug delivery platform is a proprietary system consisting of powder carrier technology and delivery device technology.

Expertise in Nasal Delivery

3D Nasal Cast Model


Satsuma Pharmaceuticals Announces Enrollment of First Patient in the ASCEND Phase III Open-label Trial of STS101 for Acute Treatment of Migraine

Satsuma Pharmaceuticals, Inc. (“Satsuma”, San Francisco, CA, USA) was established in June 2016 with the purpose of globally expanding the Translational Research business of Shin Nippon Biomedical Laboratories, Ltd. (“SNBL”) by developing migraine therapeutics consisting of dihydroergotamine (“DHE”) and SNBL’s novel nasal delivery technology, STS1011).


Satsuma announced the initiation of patient enrollment in an ASCEND™ trial, a multi-center, open-label, 12-month study to evaluate the safety and tolerability of STS101 as an acute treatment for migraine. The results of the ASCEND™ trial will support the long-term safety and tolerability of STS101. Satsuma anticipates that data from the ASCEND™ trial, in conjunction with results from the ongoing STS101 EMERGE™  Phase 3 pivotal trial, will support a New Drug Application filing in the fourth quarter of 2021.


For more information, please visit Satsuma’s press release.


1) STS101

There are currently an estimated 39 million people in the U.S., suffering from migraine headaches, and the market for migraine therapeutics is reported to have reached $16 billion in 2017 in the US alone. A large number of patients are relatively young, between 20 and 40 years old, and there is an existing need for quick relief of potentially-disabling headaches. DHE is effective for non-responders of triptans, which are currently first-in-line therapies; however, the current liquid nasal spray is slow to absorb, taking at least 30 minutes to take effect, and the product is regarded to be unreliable due to its variability in absorption and the relatively low blood concentrations it achieves. The STS101, Nasal DHE product using SNBL's nasal delivery technology, enables fast and adequate absorption and is expected to meet the needs of patients.