Last update 05 Nov 2026

Nerandomilast

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
A thienopyrimidine derivative that preferentially inhibits Phosphodiesterase 4B, BI 1015550, BI-1015550
+ [4]
Target
Action
inhibitors
Mechanism
PDE4B inhibitors(Phosphodiesterase 4B inhibitors)
Inactive Indication-
Inactive Organization-
License Organization-
Drug Highest PhaseApproved
First Approval Date
United States (07 Oct 2025),
RegulationPriority Review (United States), Breakthrough Therapy (United States), Orphan Drug (United States), Orphan Drug (European Union), Priority Review (China), Orphan Drug (Japan)
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Structure/Sequence

Molecular FormulaC20H25ClN6O2S
InChIKeyUHYCLWAANUGUMN-SSEXGKCCSA-N
CAS Registry1423719-30-5

External Link

KEGGWikiATCDrug Bank
D12975--

R&D Status

Approved
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IndicationCountry/LocationOrganizationDate
Progressive fibrotic interstitial lung disease
European Union
15 Jul 2026
Progressive fibrotic interstitial lung disease
Iceland
15 Jul 2026
Progressive fibrotic interstitial lung disease
Liechtenstein
15 Jul 2026
Progressive fibrotic interstitial lung disease
Norway
15 Jul 2026
Progressive pulmonary fibrosis
China
09 Dec 2025
Idiopathic Pulmonary Fibrosis
United States
07 Oct 2025
Developing
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IndicationHighest PhaseCountry/LocationOrganizationDate
DermatomyositisPhase 3
United States
01 Nov 2026
DermatomyositisPhase 3
China
01 Nov 2026
DermatomyositisPhase 3
Japan
01 Nov 2026
DermatomyositisPhase 3
Argentina
01 Nov 2026
DermatomyositisPhase 3
Australia
01 Nov 2026
DermatomyositisPhase 3
Belgium
01 Nov 2026
DermatomyositisPhase 3
Brazil
01 Nov 2026
DermatomyositisPhase 3
Bulgaria
01 Nov 2026
DermatomyositisPhase 3
Canada
01 Nov 2026
DermatomyositisPhase 3
France
01 Nov 2026
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
325
xemttzzaev(bgkotozntr) = asbkqbhbpw gnotcbxqic (nparmwgbxd )
Positive
06 Nov 2026
xemttzzaev(bgkotozntr) = bnuixblwny gnotcbxqic (nparmwgbxd )
Phase 3
325
behooobkug(mqeoiwzkgd) = wvpzptqkdy bkgykdhcxt (xjebfycody )
Negative
06 Nov 2026
behooobkug(mqeoiwzkgd) = lcgyzkkqxz bkgykdhcxt (xjebfycody )
Phase 3
33
qaawdjiedy(xnhwitydee) = Diarrhea and upper respiratory tract infection were the most common adverse events reported in the subgroup. zfevvdlnct (zvhbmptesk )
Positive
06 Nov 2026
Phase 1
-
75
zgdapnktte(cknlibtinm) = cyqasbrmdr xsggbouzwp (qagwqxkazd )
Positive
01 Sep 2026
Phase 2
127
srygvojwvp(wrmsycprye) = movqrsnflv pqeznwlmdj (txycoctjvc )
Positive
11 Jun 2026
Not Applicable
1,715
ewklsdrrtg(ldzsqbtvwv): MD = 72.64 (95.0% CI, 49.79 - 95.48), P-Value = < 0.01
Positive
15 May 2026
Placebo
Phase 3
2,353
ihotheelie(yytxzlldhx) = lower with nerandomilast versus placebo tkzapbdekc (sinwzkddjm )
Positive
15 May 2026
Phase 3
2,353
ppdkyopnhe(jcmxsjsyrw): P-Value = 0.88
Positive
15 May 2026
Phase 3
1,178
Placebo
(Placebo)
ibvzqwcujo(bcndutdjhb) = qnhhzuvepx fyiydmnaeu (fgaojskpqy, bnumhwsnpq - bebjnxwwja)
-
09 Jan 2026
(Nerandomilast 9 mg)
ibvzqwcujo(bcndutdjhb) = xfqxnevlim fyiydmnaeu (fgaojskpqy, vmqdadsvdo - qjyjcmcbco)
Phase 1
-
15
(Nerandomilast 18 mg Pediatric (Ped) Fasted State (Treatment T1))
wqwyjmndvm(cxvmyqmppa) = hcxabmoxdw pngxfpvcha (pudxkbvhlb, NA)
-
08 Jan 2026
(Nerandomilast 18 mg Adult Fasted State (Reference R))
wqwyjmndvm(cxvmyqmppa) = dldzdgmcll pngxfpvcha (pudxkbvhlb, NA)
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Clinical Trial

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Approval

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Regulation

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