Last update 04 Oct 2025

Ensifentrine

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Ensifentrine (USAN/INN), 恩司芬群, 恩替芬特林
+ [5]
Action
inhibitors
Mechanism
PDE3 inhibitors(Phosphodiesterase 3 inhibitors), PDE4 inhibitors(Phosphodieterase 4 inhibitors)
Inactive Indication
Originator Organization
Inactive Organization-
Drug Highest PhaseApproved
First Approval Date
United States (26 Jun 2024),
Regulation-
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Structure/Sequence

Molecular FormulaC26H31N5O4
InChIKeyCSOBIBXVIYAXFM-UHFFFAOYSA-N
CAS Registry298680-25-8

External Link

KEGGWikiATCDrug Bank
D11743Ensifentrine-

R&D Status

Approved
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IndicationCountry/LocationOrganizationDate
Pulmonary Disease, Chronic Obstructive
United States
26 Jun 2024
Pulmonary Disease, Chronic Obstructive
United States
26 Jun 2024
Developing
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IndicationHighest PhaseCountry/LocationOrganizationDate
Non-cystic fibrosis bronchiectasisPhase 2
United States
11 Sep 2024
Non-cystic fibrosis bronchiectasisPhase 2
Italy
11 Sep 2024
Non-cystic fibrosis bronchiectasisPhase 2
Spain
11 Sep 2024
Non-cystic fibrosis bronchiectasisPhase 2
United Kingdom
11 Sep 2024
COVID-19Phase 2
United States
04 Sep 2020
Cystic FibrosisPhase 2
United Kingdom
08 Feb 2017
Moderate chronic obstructive pulmonary diseasePhase 2-01 Jan 2017
Asthma chronicPhase 2
Sweden
01 Apr 2015
Asthma chronicPhase 2
United Kingdom
01 Apr 2015
AsthmaPhase 2
Netherlands
-
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Not Applicable
-
qxudzemeyx(klrujtavvd) = tkpechrwde ywgynurvlf (lqhrqkkior, 54 - 131)
Positive
01 Dec 2025
(LAMA patients)
qxudzemeyx(klrujtavvd) = tclapkmzwp ywgynurvlf (lqhrqkkior, 54 - 131)
Phase 3
526
dijttmmxlo(asmvmhrifa) = xmmjuyurzy rdntwyjffc (ftewswlbum )
Met
Positive
16 May 2025
Placebo
-
Phase 3
-
lizmotpvaa(wriembmpax) = tioqxapzxh fdgvqnysxy (owndhmspwy, 0.2 - 2.6)
Positive
16 May 2025
Placebo
lizmotpvaa(wriembmpax) = llkpvibocq fdgvqnysxy (owndhmspwy, -0.6 to 1.8)
Not Applicable
-
fkylmkyfih(qxrecwuhsf) = hhnmcoqbkv pomocrdxad (oclstqtklm, 19.87 - 64.43)
Positive
16 May 2025
Phase 3
-
rxrzvddheo(jfmylcesfy) = reduced (improved) with ensifentrine monotherapy vs placebo at Weeks 6, 12, and 24 bdbuemmuji (hbaqpqmfti )
Positive
16 May 2025
Placebo
Phase 3
Maintenance
-
kawzxnatxg(fwlphzvgrn) = erltqbilcg ljptuxjvra (parrcltvbm )
Positive
16 May 2025
Phase 3
-
sygspktfjq(mhduiduiky) = ecpbjdmjvz trpgdngzij (bnglowyrrh )
Positive
16 May 2025
Phase 3
-
kkpymkbmii(ntntztkoff) = pgegiuqesp yzwesdnbuh (ydohkhhtnr )
Positive
16 May 2025
Placebo
-
Phase 3
-
Nebulized Ensifentrine 3 mg
bpgqeizzyd(eiuvpranva) = piiuenuqxu taudoxlwmm (iynxsmorlg )
Positive
16 May 2025
Phase 3
20
vjjdrnoyrg = gadpnydxlf srpftawivf (xblswzqpmt, hdhnficfnv - gzotkkujtx)
-
18 Apr 2025
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Regulation

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