Wednesday, July 8, 2026

Drug profile · INN

zafirlukast

zafirlukast (ZAFIRLUKAST) is a cysteinyl leukotriene receptor 1 antagonist. Route of administration: oral. Current US regulatory status: approved.

FDA: approved
US status approved
Patents linked 0
Pipeline programs 0
News articles 0
Drug details — zafirlukast
US status
approved
Class
Route
ORAL
Patents
0
Programs
0
Data quality
0.84

Quick answer

zafirlukast (ZAFIRLUKAST) is a cysteinyl leukotriene receptor 1 antagonist. Route of administration: oral. Current US regulatory status: approved.

Key facts

INN zafirlukast
Brand ZAFIRLUKAST
Mechanism Cysteinyl leukotriene receptor 1 antagonist
Target Cysteinyl leukotriene receptor 1
Route ORAL
Formulation TABLET

Mechanism of action

Cysteinyl leukotriene receptor 1 antagonist

Primary target: Cysteinyl leukotriene receptor 1

Approval history

Authority Status Date
FDA approved

Related & competitor drugs

  1. montelukast sodium Cysteinyl leukotriene receptor 1 antagonist

Frequently asked questions

What is zafirlukast?

zafirlukast (ZAFIRLUKAST) is a cysteinyl leukotriene receptor 1 antagonist. Route of administration: oral. Current US regulatory status: approved.

What is the brand name for zafirlukast?

ZAFIRLUKAST is a marketed brand name for zafirlukast. Check FDA Drugs@FDA for the current US label holder and prescribing information.

What is the US approval status of zafirlukast?

zafirlukast has approved status in the United States according to our Drugs@FDA-derived records. Verify on the official FDA label before clinical or commercial decisions.