At a glance
- Originator Kyowa Hakko
- Developer Kyowa Hakko Kirin
- Class Quinazolines; Small molecules; Thiones
- Mechanism of Action Type 5 cyclic nucleotide phosphodiesterase inhibitors
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Orphan Drug Status
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
Highest Development Phases
- Discontinued Erectile dysfunction