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An anti-asthmatic agent, also known as an anti-asthma drug, refers to a drug that can aid in airway smooth muscle dilation to allow normal breathing during an asthma attack or reduce inflammation on the airway to decrease airway resistance for asthmatic patients, or both. The goal of asthmatic agents is to reduce asthma exacerbation frequencies ...
Competitive inhibitors are commonly used to make pharmaceuticals. [3] For example, methotrexate is a chemotherapy drug that acts as a competitive inhibitor. It is structurally similar to the coenzyme, folate, which binds to the enzyme dihydrofolate reductase. [3]
Non-competitive block; Smoking Cessation Eliminate symptoms of nicotine withdrawing; Given in low dose; Acetylcholine (in presence of cholinesterase inhibitors) No clinical use as ganglionic blocker Hexamethonium: Competitive inhibition of nicotinic receptor Selective; First effective hypertension drug treatment; No longer clinically use due to ...
Drugs with muscarinic antagonist activity are widely used in medicine, in the treatment of low heart rate, overactive bladder, respiratory problems such as asthma and chronic obstructive pulmonary disease (COPD), and neurological problems such as Parkinson's disease and Alzheimer's disease.
LABAs are designed to reduce the need for shorter-acting β 2 agonists such as salbutamol (albuterol), as they have an approximately twelve-hour duration of action, compared to about five hours for salbutamol, making them candidates for sparing high doses of corticosteroids [citation needed] or treating nocturnal asthma and providing ...
Arachidonate 5-lipoxygenase inhibitors are compounds that slow or stop the action of the arachidonate 5-lipoxygenase (5-lipoxygenase or 5-LOX) enzyme, which is responsible for the production of inflammatory leukotrienes. The overproduction of leukotrienes is a major cause of inflammation in asthma, allergic rhinitis, and osteoarthritis. [1] [2]
Competitive inhibitors can bind to E, but not to ES. Competitive inhibition increases K m (i.e., the inhibitor interferes with substrate binding), but does not affect V max (the inhibitor does not hamper catalysis in ES because it cannot bind to ES). [24]: 102 Uncompetitive inhibitors bind to ES. Uncompetitive inhibition decreases both K m and ...
On 18 November 2005, the U.S. Food and Drug Administration (FDA) alerted healthcare professionals and patients that several long-acting bronchodilator medicines have been associated with possible increased risk of worsening wheezing in some people, and requested that manufacturers update warnings in their existing product labeling.
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