Last update 27 Feb 2026

Timapiprant

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
CHF 6532, CHF-6532, OC 459
+ [4]
Action
antagonists
Mechanism
CRTH2 antagonists(Prostaglandin D2 receptor 2 antagonists), PGD2 receptor antagonists(Prostaglandin D2 receptor antagonists)
Active Indication-
Originator Organization
Active Organization-
License Organization-
Drug Highest PhaseDiscontinuedPhase 3
First Approval Date-
Regulation-
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Structure/Sequence

Molecular FormulaC21H17FN2O2
InChIKeyFATGTHLOZSXOBC-UHFFFAOYSA-N
CAS Registry851723-84-7

External Link

KEGGWikiATCDrug Bank
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R&D Status

10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
AsthmaPhase 3
Italy
28 May 2019
Eosinophilic AsthmaPhase 3
Italy
28 May 2019
InflammationPhase 2
United Kingdom
01 Sep 2016
Common ColdPhase 2
United Kingdom
01 Jan 2015
Rhinovirus infectionPhase 2
United Kingdom
01 Jan 2015
Moderate Atopic DermatitisPhase 2
United Kingdom
01 Oct 2013
Severe Atopic DermatitisPhase 2
United Kingdom
01 Oct 2013
Dermatitis, AtopicPhase 2
Germany
19 Jun 2013
EczemaPhase 2
United Kingdom
13 Jun 2013
Eosinophilic EsophagitisPhase 2
Switzerland
01 Aug 2010
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
44
OC459+Rhinovirus
(OC459 (CRTH2 Antagonist))
cnabrxzcte(wwqsbxzzmf) = mmfaxipwlp elcknagnbo (perwsbppqf, dmdkzyysna - zjuelmrigs)
-
26 Feb 2021
Rhinovirus
(Placebo)
cnabrxzcte(wwqsbxzzmf) = pzhjvhdyug elcknagnbo (perwsbppqf, yvnhfftyti - yfjglzlsom)
Phase 2
142
(OC000459 Tablets)
nqqravhrqt(xbnhbxvkrb) = jzttarojoz swtrvvxfys (abfjjqpvea, 1.72)
-
08 Dec 2016
(Placebo Tablets)
nqqravhrqt(xbnhbxvkrb) = ustrhwamli swtrvvxfys (abfjjqpvea, 1.71)
Phase 2
132
rdtfrklqwy(jsmmgspsbn) = dahleutxxu uavmlkrvod (leocqbzngd )
Positive
01 Jan 2012
Placebo
rdtfrklqwy(jsmmgspsbn) = lhzsamqkpd uavmlkrvod (leocqbzngd )
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Core Patent

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Clinical Trial

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Approval

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Regulation

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