Leukotriene antagonists


Leukotriene antagonists, a subcategory of pharmaceutical active pharmaceutical ingredients (APIs), are widely used in the treatment of inflammatory conditions, particularly in respiratory disorders such as asthma. These antagonists work by inhibiting the action of leukotrienes, which are inflammatory mediators released by immune cells.

Leukotrienes play a crucial role in promoting inflammation, bronchoconstriction, and mucus production in the airways. By targeting and blocking the receptors for leukotrienes, antagonists can effectively reduce the inflammatory response and alleviate symptoms associated with asthma and other respiratory conditions.

Montelukast, zafirlukast, and pranlukast are among the most commonly prescribed leukotriene antagonists. These APIs are typically formulated into oral tablets or granules for ease of administration. They are generally well-tolerated and exhibit a favorable safety profile.

Leukotriene antagonists are often used as part of a comprehensive treatment plan for asthma management, either as a monotherapy or in combination with other medications like inhaled corticosteroids. They provide a valuable alternative for patients who may have difficulty using inhalers or require additional control of their symptoms.

In conclusion, leukotriene antagonists are an important class of pharmaceutical APIs used in the treatment of inflammatory conditions, particularly asthma. By inhibiting the action of leukotrienes, these agents effectively reduce inflammation and alleviate respiratory symptoms. Their use as part of a comprehensive treatment approach can significantly improve the quality of life for patients suffering from asthma and other related respiratory disorders.

NameCAS numberCategoryAmount of suppliers
Montelukast158966-92-8Leukotriene antagonists57
Zafirlukast107753-78-6Leukotriene antagonists3