Acasti Pharma Inc. engages in the development and commercialization of pharmaceutical products for rare and orphan diseases in Canada. The company's lead product candidate is the GTX-104, an intravenous infusion to treat subarachnoid hemorrhage. It also develops GTX-102, an oral mucosal betamethasone spray for the treatment of ataxia-telangiectasia; and GTX-101, a topical bioadhesive film-forming bupivacaine spray for postherpetic neuralgia. The company was incorporated in 2002 and is headquartered in Princeton, New Jersey.