Drug Type Small molecule drug |
Synonyms HSK44459 |
Target |
Action inhibitors |
Mechanism PDE4B inhibitors(Phosphodiesterase 4B inhibitors) |
Therapeutic Areas |
Active Indication |
Inactive Indication- |
Originator Organization |
Inactive Organization- |
License Organization- |
Drug Highest PhasePhase 3 |
First Approval Date- |
Regulation- |
| Indication | Highest Phase | Country/Location | Organization | Date |
|---|---|---|---|---|
| Idiopathic Pulmonary Fibrosis | Phase 3 | - | 05 Apr 2026 | |
| Progressive pulmonary fibrosis | Phase 3 | - | 05 Apr 2026 | |
| Plaque psoriasis | Phase 2 | China | 26 Sep 2025 | |
| Dermatitis, Atopic | Phase 2 | China | 22 May 2025 | |
| Dermatitis, Atopic | Phase 2 | China | 22 May 2025 | |
| Behcet Syndrome | Phase 2 | - | 24 Mar 2025 | |
| Colitis, Ulcerative | IND Approval | China | 30 Dec 2025 | |
| Crohn Disease | IND Approval | China | 30 Dec 2025 | |
| Psoriasis | IND Approval | China | 11 Mar 2025 |





