Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Zafirlukast
Drug ID BADD_D02377
Description Zafirlukast is an oral leukotriene receptor antagonist (LTRA) for the maintenance treatment of asthma, often used in conjunction with an inhaled steroid and/or long-acting bronchodilator. It is available as a tablet and is usually dosed twice daily. Another leukotriene receptor antagonist is montelukast (Singulair), which is usually taken just once daily. Zafirlukast blocks the action of the cysteinyl leukotrienes on the CysLT1 receptors, thus reducing constriction of the airways, build-up of mucus in the lungs and inflammation of the breathing passages.
Indications and Usage For the prophylaxis and chronic treatment of asthma.
Marketing Status approved; investigational
ATC Code R03DC01
DrugBank ID DB00549
KEGG ID D00411
MeSH ID C062735
PubChem ID 5717
TTD Drug ID D05DVP
NDC Product Code 16571-654; 49884-589; 64380-187; 68084-059; 55111-625; 65977-0113; 64380-178; 31722-008; 49884-554; 49884-590; 63629-2102; 64380-188; 42291-970; 52562-800; 55111-886; 55111-626; 52562-801; 31722-007; 64380-177; 50370-0008; 42291-971; 49884-549
UNII XZ629S5L50
Synonyms zafirlukast | 4-(5-cyclopentyloxycarbonylamino-2-methylindol-3-yl-methyl)-3-methoxy-N-O-tolylsulfonylbenzamide | Olmoran | ICI 204,219 | ICI-204219 | ICI 204219 | Accolate | Aeronix
Chemical Information
Molecular Formula C31H33N3O6S
CAS Registry Number 107753-78-6
SMILES CC1=CC=CC=C1S(=O)(=O)NC(=O)C2=CC(=C(C=C2)CC3=CN(C4=C3C=C(C=C4)NC(=O)OC5CCCC5)C)O C
Chemical Structure
ADRs Induced by Drug
*The priority for ADR severity classification is based on FAERS assessment, followed by the most severe level in CTCAE rating. If neither is available, it will be displayed as 'Not available'.
**The 'Not Available' level is hidden by default and can be restored by clicking on the legend twice..
ADR Term ADReCS ID ADR Frequency (FAERS) ADR Severity Grade (FAERS) ADR Severity Grade (CTCAE)
Thrombocytopenia01.08.01.002--Not Available
Urticaria23.04.02.001; 10.01.06.001--
Vasculitic rash24.12.04.026; 23.06.02.003; 10.02.02.012--Not Available
Vasculitis24.12.04.027; 10.02.02.006--
Vomiting07.01.07.003--
Contusion15.03.05.007; 24.07.06.001; 23.03.11.002; 12.01.06.001--
Musculoskeletal discomfort15.03.04.001--Not Available
Haemorrhage24.07.01.002--Not Available
Hepatic enzyme increased13.03.04.028--Not Available
Ill-defined disorder08.01.03.049--Not Available
Blood disorder01.05.01.004--Not Available
Liver injury12.01.17.012; 09.01.07.022--Not Available
Traumatic liver injury12.01.17.027; 09.01.08.010--Not Available
Oropharyngeal discomfort22.12.03.015; 07.05.05.008--Not Available
Oropharyngeal pain07.05.05.004; 22.12.03.016--
Liver function test increased13.03.04.031--Not Available
Eosinophilic granulomatosis with polyangiitis24.12.04.010; 22.01.01.025; 10.02.02.031; 01.02.04.022--Not Available
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ADReCS-Target
Drug Name ADR Term Target
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