Related Experiment Video
Updated: Jun 16, 2026

14:39
Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
Published on: November 4, 2010
Long-acting beta2 agonists
1Norman Consulting, 18 Pink Lane, Burnham, Bucks, SL1 8JW, UK. petrosn@bigfoot.com
Expert Opinion on Therapeutic Patents
|February 10, 2010
Summary
Two new potent arylsulfonamide beta(2)-agonists with potential for long-acting effects were patented. These compounds are part of a significant chemical research program.
Area of Science:
- Medicinal Chemistry
- Pharmacology
Background:
- Development of novel beta(2)-adrenergic receptor agonists is crucial for respiratory disease treatment.
- Arylsulfonamide derivatives represent a promising class of compounds for this purpose.
Purpose of the Study:
- To analyze patent applications for closely related arylsulfonamide beta(2)-agonists.
- To identify key structural features and potential therapeutic implications.
Main Methods:
- Patent literature review focusing on arylsulfonamide beta(2)-agonists.
- Analysis of generic and subsidiary Markush structure claims.
- Evaluation of predicted pharmacological properties based on chemical structures.
Main Results:
- Two patent applications disclose highly similar arylsulfonamide beta(2)-agonists.
- The core generic claim is identical, with variations in Markush structure permutations.
- Predicted potent beta(2)-agonist activity and long duration of action.
Conclusions:
- The patented compounds are potent long-acting beta(2)-agonists.
- These applications signify a substantial ongoing chemical research initiative at Pfizer.
Related Concept Videos
Antiasthma Drugs: β2-Adrenoceptor Agonists
Bronchodilators are critical in managing asthma, a chronic respiratory condition characterized by airway constriction due to inflammation and hyper-reactivity. Specifically, bronchodilators ease this constriction by relaxing the bronchial muscles, facilitating easier breathing.
One class of bronchodilators includes β2-adrenoceptor agonists. These agents target the β2-adrenoceptors located on bronchial smooth muscle cells. By stimulating these receptors, β2-agonists induce relaxation in these...
One class of bronchodilators includes β2-adrenoceptor agonists. These agents target the β2-adrenoceptors located on bronchial smooth muscle cells. By stimulating these receptors, β2-agonists induce relaxation in these...
Drugs Used in Lower Respiratory Disorders: Overview
Lower respiratory tract disorders present challenges that often require skilled and nuanced approaches for effective management. Common ailments, such as asthma and chronic obstructive pulmonary disease (COPD), have prompted the development of intricate treatment strategies involving bronchodilators and anti-inflammatory drugs, each tailored to ease breathing and revitalize the lungs.
Bronchodilators, the first step of respiration enhancement, come in various forms, each with its own mechanism...
Bronchodilators, the first step of respiration enhancement, come in various forms, each with its own mechanism...
Antiasthma Drugs: Leukotriene Modifiers
Leukotriene modifiers, or cysteinyl leukotriene receptor antagonists, are medications used to manage chronic asthma. These agents target specific inflammatory mediators produced during arachidonic acid metabolism, an essential process in generating inflammation in the body.
Leukotriene modifiers work through two distinct mechanisms:
Leukotriene modifiers work through two distinct mechanisms:
Asthma-IV: Diagnostic and Management
The diagnosis and management of asthma are comprehensive, encompassing clinical assessments, lung function tests, and pharmacological interventions. Here's an overview:
Clinical Assessment for Asthma:
This is the first step in diagnosing and managing asthma. It includes:
Clinical Assessment for Asthma:
This is the first step in diagnosing and managing asthma. It includes:
Inhaled Medications
Inhaled medications are crucial for managing chronic obstructive pulmonary disease (COPD) and asthma. They are essential for effective treatment and control, ensuring optimal respiratory health and well-being. Inhaled medication delivers drugs directly to the lungs, providing a rapid onset of action and reducing systemic side effects compared to oral or injectable medications. Three primary types of inhalation devices are used to administer these medications: nebulizers, metered-dose inhalers...
Adrenergic Antagonists: ɑ and β-Receptor Blockers
Third-generation β-blockers, such as labetalol and carvedilol, represent a significant advancement in managing cardiovascular conditions. Unlike conventional β-blockers, which can induce peripheral vasoconstriction, third-generation drugs block α1 adrenoceptors. This promotes vasodilation through several mechanisms, such as increased nitric oxide production, inhibition of calcium ion entry, opening of potassium ion channels, and antioxidant action. Labetalol, for instance, is clinically...
