XH S004
Alternative Names: EXPD-101; XH-S004Latest Information Update: 16 Oct 2025
At a glance
- Originator S-Infinity Pharmaceuticals
- Class Antibronchitics; Small molecules
- Mechanism of Action Dipeptidyl peptidase I inhibitors
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              Orphan Drug Status
              NoOrphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases. 
- New Molecular Entity Yes
Highest Development Phases
- Phase I Bronchiectasis
- Preclinical Chronic obstructive pulmonary disease
Most Recent Events
- 09 Oct 2025 Expedition Therapeutics plans a phase II trial in Chronic obstructive pulmonary disease (PO)
- 11 Aug 2025 Expedition Therapeutics in-licenses XH S004 from Shanghai Fosun Pharmaceutical for the treatment of Bronchiectasis and Chronic obstructive pulmonary disease
- 16 May 2025 S-INFINITY Pharmaceuticals plans a phase II trial in Bronchiectasis in China (PO, Tablets) (NCT06981091)
