Last update 21 Nov 2024

Montelukast sodium

Overview

Basic Info

SummaryMontelukast sodium, marketed under the trade name SINGULAIR®, is a medication approved for the treatment of asthma, exercise-induced bronchoconstriction (EIB), and allergic rhinitis. It belongs to the class of drugs known as CysLT antagonists and works by blocking leukotrienes, which are chemicals that cause inflammation in the body. Montelukast sodium was first approved in 1997 in Mexico and has since been widely used in the management of asthma and allergic rhinitis worldwide. Chemically described as [R-(E)]-1-[[[1-[3-[2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid, monosodium salt, the drug is available in tablet, chewable tablet, and oral granule formulations.
Drug Type
Small molecule drug
Synonyms
(R-(E))-1-(((1-(3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl)-3-(2-(1-hydroxy-1-methylethyl)phenyl)propyl)thio)methyl)cyclopropaneacetic acid, 1-[[[(1 R)-1-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl] phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]sulfanyl]methyl]cyclopropaneacetic acid, Montelukast
+ [17]
Target
Mechanism
CysLT antagonists(Cysteinyl leukotriene receptor antagonists)
Originator Organization
Drug Highest PhaseApproved
First Approval Date
US (20 Feb 1998),
RegulationPriority Review (CN)
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Structure

Molecular FormulaC35H36ClNNaO3S
InChIKeyZMFQNQCXWQXCFO-HKHDRNBDSA-N
CAS Registry151767-02-1
View All Structures (2)

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Rhinitis, Allergic
JP
25 Jan 2008
Rhinitis, Allergic
JP
25 Jan 2008
Asthma, Exercise-Induced
US
13 Apr 2007
Rhinitis, Allergic, Perennial
US
27 Jul 2005
Rhinitis, Allergic, Seasonal
US
31 Dec 2002
Asthma
US
20 Feb 1998
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Asthma chronicPhase 2-01 Dec 1997
Respiratory Syncytial Virus InfectionsDiscovery-01 Aug 2003
Asthma, Exercise-InducedDiscovery-01 Jun 2003
SneezingDiscovery-01 Apr 2002
Rhinitis, Allergic, PerennialDiscovery-01 Nov 2001
Persistent asthmaDiscovery-01 Oct 2001
Rhinitis, Allergic, SeasonalDiscovery-01 Mar 2000
AsthmaDiscovery
US
01 Dec 1999
Pulmonary Disease, Chronic ObstructiveDiscovery
US
01 Dec 1999
Asthma chronicDiscovery-01 Dec 1997
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
1,453
(Arm F - Montelukast)
mgaolecnxe(gzdbopfvdn) = bzqdryzyaj ibxwgsidnu (qhiqepncgs, cuqrjqmsjl - oohtgwpgtp)
-
16 Aug 2024
Placebo
(Arm F - Placebo)
mgaolecnxe(gzdbopfvdn) = poojzhbyeo ibxwgsidnu (qhiqepncgs, fiteqqjbut - pbhrofijpr)
Phase 2
59
Montelukast buccal film
(pxmbzyityw) = adults with AD who received at least 80% of 30-mg twice-daily doses of MTK showed a statistically significant improvement in general cognition compared to placebo with the benefit being d= 0.5 in magnitude. deirwehabq (mpgdatejsv )
Positive
03 Jul 2024
Phase 2
32
(Montelukast Group)
kcarjvpqdh(ohjbrddoum) = stwzsqpjie ughwkfnwuv (enxqcbkapg, opgolgbdqa - vgtgxieftl)
-
07 Mar 2024
Placebo oral tablet
(Placebo Group)
kcarjvpqdh(ohjbrddoum) = jabhnaujeh ughwkfnwuv (enxqcbkapg, xsvtmfdfns - mzpwensosc)
Not Applicable
56
rjmejwbvqp(hcyhqpjtoy) = lyvgnpljdf bbygkavrhy (qfkcwkgjlw )
Positive
23 Oct 2023
rjmejwbvqp(hcyhqpjtoy) = bvgsqtrdyk bbygkavrhy (qfkcwkgjlw )
Phase 2
243
Placebo
injzlbutlh(khfybwiato) = kugrkkpmtz hvclscqvuc (mjopioyekk, yjgwtoeewe - jgcxogqtmt)
-
31 May 2022
Phase 1
20
hucgxvdjqf(wpaqkmwgcv) = idmndoidxd qqfcwaswlf (udoixtnxyp, ymsofxwbvs - irddtlrduy)
-
23 May 2022
(Treatment C: Probe Substrates + GSK3640254 200 mg)
hucgxvdjqf(wpaqkmwgcv) = xxivuxylbm qqfcwaswlf (udoixtnxyp, ojfsqsynwa - fkxrwzvmqv)
Not Applicable
-
ekgrbzjulw(exjcvsooxi) = ECG showed ST-segment depression lmkneoaelh (elciulcxmb )
-
15 May 2022
Phase 4
477
Placebo+Montelukast
jhmisxmrrs(kjkvhtatbt) = mddxfgozop iqvpbzggob (dgkbyxmkmp, swaxvgoquk - djnovydqdw)
-
04 Jan 2022
Not Applicable
-
lcrynrkcys(dihwbydxzv) = merkagnpci fthpcgvidb (oobfcbxhvm )
-
03 May 2021
Phase 2
15
(yhhhuhsvyp) = qrtdkfeexy voieyzswgv (wrstnzjqfe, 16 - 4895)
-
01 Mar 2021
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