Linifanib

    Drugs in R&D
    |August 12, 2010
    PubMed

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    Treatment for Pulmonary Arterial Hypertension: Receptor Tyrosine Kinase Inhibitors and Calcium Channel Blockers

    Receptor tyrosine kinase inhibitors (TKIs) and calcium channel blockers (CCBs) are two critical categories of drugs employed in the treatment of pulmonary artery hypertension (PAH). PAH is a disease that causes high blood pressure in the pulmonary arteries, resulting in chest pain, fatigue, and shortness of breath.
    TKIs, such as imatinib (Gleevec), are particularly effective in tackling the growth and mitogenic factors that become upregulated in PAH patients. These factors contribute to the...
    Antiasthma Drugs: Leukotriene Modifiers01:19

    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:
    Antiasthma Drugs: β2-Adrenoceptor Agonists01:25

    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...
    Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists01:18

    Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists

    Endothelins (ETs) are potent vasoactive peptides critical in the human body's various physiological and pathological processes. One of the most promising therapeutic strategies for treating pulmonary arterial hypertension (PAH) involves counteracting the effects of these endothelins using a class of drugs known as endothelin receptor antagonists.
    ETs are synthesized through a complex sequence of enzymatic steps, primarily involving an enzyme referred to as endothelin-converting enzyme (ECE). Of...
    Antiasthma Drugs: Muscarinic Receptor Antagonists01:20

    Antiasthma Drugs: Muscarinic Receptor Antagonists

    Muscarinic receptor antagonists, also known as antimuscarinic agents, are a class of bronchodilators used to treat asthma, although they are more commonly used to treat COPD. They work by inhibiting the action of acetylcholine (ACh), a neurotransmitter, on muscarinic receptors found in the airways.
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    Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists01:23

    Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists

    Prostacyclin receptor agonists are a class of therapeutic agents integral to managing pulmonary arterial hypertension (PAH). These drugs operate by mimicking the action of prostaglandin I2, or PGI2, a naturally occurring compound in the body.
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