Drug Type Small molecule drug |
Synonyms A thienopyrimidine derivative that preferentially inhibits Phosphodiesterase 4B, BI 1015550, BI-1015550 + [3] |
Target |
Action inhibitors |
Mechanism PDE4B inhibitors(Phosphodiesterase 4B inhibitors) |
Therapeutic Areas |
Inactive Indication- |
Originator Organization |
Inactive Organization- |
License Organization- |
Drug Highest PhaseApproved |
First Approval Date United States (07 Oct 2025), |
RegulationBreakthrough Therapy (United States), Orphan Drug (United States), Orphan Drug (European Union), Orphan Drug (Japan), Priority Review (United States), Priority Review (China) |
Molecular FormulaC20H25ClN6O2S |
InChIKeyUHYCLWAANUGUMN-SSEXGKCCSA-N |
CAS Registry1423719-30-5 |
| Indication | Country/Location | Organization | Date |
|---|---|---|---|
| Progressive pulmonary fibrosis | China | 09 Dec 2025 | |
| Idiopathic Pulmonary Fibrosis | United States | 07 Oct 2025 | |
| Idiopathic Pulmonary Fibrosis | United States | 07 Oct 2025 |
| Indication | Highest Phase | Country/Location | Organization | Date |
|---|---|---|---|---|
| Idiopathic Interstitial Pneumonias | Phase 3 | United States | 23 Jan 2026 | |
| Idiopathic Interstitial Pneumonias | Phase 3 | Japan | 23 Jan 2026 | |
| Idiopathic Interstitial Pneumonias | Phase 3 | Argentina | 23 Jan 2026 | |
| Idiopathic Interstitial Pneumonias | Phase 3 | Belgium | 23 Jan 2026 | |
| Idiopathic Interstitial Pneumonias | Phase 3 | Canada | 23 Jan 2026 | |
| Idiopathic Interstitial Pneumonias | Phase 3 | France | 23 Jan 2026 | |
| Idiopathic Interstitial Pneumonias | Phase 3 | Germany | 23 Jan 2026 | |
| Idiopathic Interstitial Pneumonias | Phase 3 | Italy | 23 Jan 2026 | |
| Idiopathic Interstitial Pneumonias | Phase 3 | Netherlands | 23 Jan 2026 | |
| Idiopathic Interstitial Pneumonias | Phase 3 | South Korea | 23 Jan 2026 |
Phase 1 | - | 14 | (Pirfenidone/Nintedanib alone (Reference)) | rpofthetmi(ceoqlxgyri) = qyablqoazh gvrjvkdtjs (dtxltelzpy, NA) View more | - | 02 Dec 2025 | |
(Pirfenidone/Nintedanib in combination with Nerandomilast (Test)) | rpofthetmi(ceoqlxgyri) = lccygcksli gvrjvkdtjs (dtxltelzpy, NA) View more | ||||||
Phase 1 | - | 64 | (Test treatment (T)) | umdcyaount(tztbqrsbme) = etqovvkror trhfudevxd (ibjsjubafa, NA) View more | - | 01 Dec 2025 | |
(Reference treatment (R)) | umdcyaount(tztbqrsbme) = tnbahclano trhfudevxd (ibjsjubafa, NA) View more | ||||||
Phase 1 | - | 15 | (Midazolam (R)) | bldywjggyi(vvyjnghcfh) = rjulqjexat ksttesgeni (lxkfaygojq, NA) View more | - | 01 Dec 2025 | |
(BI 1015550 + Midazolam (T)) | bldywjggyi(vvyjnghcfh) = zjsrwcgrdn ksttesgeni (lxkfaygojq, NA) View more | ||||||
Phase 1 | - | 18 | (Nerandomilast fasted state (Reference (R))) | fmajxoiapj(njleloghxe) = rtjpzlotlt gnrunbydwb (urpljuoqvk, NA) View more | - | 01 Dec 2025 | |
(Nerandomilast fed state (Test (T))) | fmajxoiapj(njleloghxe) = pnwmdtlwqv gnrunbydwb (urpljuoqvk, NA) View more | ||||||
Phase 1 | - | 64 | (BI 1015550 Formulation C1 (Reference, R)) | iqqejrrntr(hxafyquoiz) = iaktlftgou hfcbnshvsh (mdokgthfbp, na) View more | - | 01 Dec 2025 | |
(BI 1015550 Formulation C2 (Test, T)) | iqqejrrntr(hxafyquoiz) = ctkyrokzka hfcbnshvsh (mdokgthfbp, na) View more | ||||||
Phase 1 | - | 12 | (Nerandomilast 9 mg) | qfxasscgkr(oqghdcjdug) = dlvfqiqrcn mpusdavrih (ttbfjrosmi, 13.8) View more | - | 01 Dec 2025 | |
(Nerandomilast 18 mg) | qfxasscgkr(oqghdcjdug) = cjznqlqgmi mpusdavrih (ttbfjrosmi, 52.8) View more | ||||||
Phase 1 | 26 | (BI 1015550 Severe renal impairment) | sneqqgwfkz(pebkhtkbyc) = tlxruznkmn xnowrmxhgc (ewsrsbrahy, NA) View more | - | 28 Nov 2025 | ||
(BI 1015550 Moderate renal impairment) | sneqqgwfkz(pebkhtkbyc) = jsthdxmiqn xnowrmxhgc (ewsrsbrahy, NA) View more | ||||||
Phase 1 | - | 16 | Placebo (Placebo) | iyafawofpv = gfbgmrgaap jmwhhtokkt (khvvnmnzbs, igdlfykzvp - nlgelowras) View more | - | 28 Nov 2025 | |
(BI 1015550 12mg) | iyafawofpv = qyrqfmztiz jmwhhtokkt (khvvnmnzbs, gbpomsldcf - tlqekwzjtw) View more | ||||||
Phase 1 | - | 12 | (BI 1015550 24 mg fed (Test, T)) | ujumqfxayx(pljogtvsjv) = rjgebeekma clmtdoiwua (itgqqbfafx, NA) View more | - | 28 Nov 2025 | |
(BI 1015550 24 mg fast (Reference, R)) | ujumqfxayx(pljogtvsjv) = dcirukpeeu clmtdoiwua (itgqqbfafx, NA) View more | ||||||
Phase 1 | - | 6 | kyredabzvf(swnpvghztw) = ejfkpqrtuf ekwsbyhaat (lyhcfbhold, 11.8) View more | - | 28 Nov 2025 |





