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Related Concept Videos

Antihypertensive Drugs: Angiotensin II Receptor Blockers01:30

Antihypertensive Drugs: Angiotensin II Receptor Blockers

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In the renin-angiotensin-aldosterone system, a hormone called angiotensin II plays a crucial role. It binds to the AT1 receptors in vascular smooth muscles coupled with Gq proteins. The activation of these receptors activates an enzyme called phospholipase C, which releases two molecules: inositol trisphosphate and diacylglycerol. These molecules cause a chain reaction that leads to the phosphorylation of myosin light chains and promotes interaction between actin and myosin, leading to smooth...
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Antihypertensive Drugs: Direct Renin Inhibitors01:25

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The renin-angiotensin-aldosterone system (RAAS) is an intricate physiological pathway involving numerous enzymes and hormones, including renin, angiotensin-converting enzyme (ACE), angiotensin I and II, and aldosterone. Imbalances within this system increase the production of angiotensin II and aldosterone. Increased angiotensin II levels promote vasoconstriction and blood pressure elevation. Concurrently, higher aldosterone levels stimulate sodium and water reabsorption in the kidneys,...
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Antihypertensive Drugs: Angiotensin-Converting Enzyme Inhibitors01:30

Antihypertensive Drugs: Angiotensin-Converting Enzyme Inhibitors

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Angiotensin-converting enzyme (ACE), a vital component of the renin-angiotensin-aldosterone system, is abundant in lung endothelial cells. ACE converts the inactive decapeptide, angiotensin I, into the active octapeptide, angiotensin II. This potent vasoconstrictor narrows blood vessels, increasing resistance to blood flow and elevating blood pressure. Angiotensin II also stimulates aldosterone production, encouraging kidney cells to reabsorb more sodium and water from urine, thereby increasing...
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Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

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The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
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Dose-Response Relationship: Potency and Efficacy01:22

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The potency of a drug is the measure of its ability to produce a biological response and can be compared by looking at the half-maximum effective concentration or EC50 values of different drugs. A lower EC50 value indicates higher potency of the drug. In the dose–response curve of two antihypertensive drugs, candesartan and irbesartan, a significant difference is observed in their EC50 values. A lower EC50 value for candesartan indicates that it is more potent than irbesartan, as it...
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Antihypertensive Drugs: Potassium-Sparing Diuretics01:28

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Liddle syndrome is a genetically inherited form of hypertension characterized by the overactivity of epithelial sodium channels in the nephron, the functional unit of the kidney. This heightened activity leads to increased sodium reabsorption and excessive excretion of potassium. To counteract this, potassium-sparing diuretics such as amiloride are used. They function by blocking these sodium channels, thereby reducing the influx of sodium into the epithelial cells and minimizing the loss of...
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Updated: Dec 26, 2025

Investigation of Xenobiotics Metabolism In Salix alba Leaves via Mass Spectrometry Imaging
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Azilsartan medoxomil.

Abdulrahman A Al-Majed1, Ahmed H H Bakheit2, Ali Al-Muhsin1

  • 1Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia.

Profiles of Drug Substances, Excipients, and Related Methodology
|March 14, 2020
PubMed
Summary
This summary is machine-generated.

Azilsartan effectively treats high blood pressure by relaxing blood vessels. This comprehensive profile details its preparation, properties, and analytical methods for pharmaceutical applications.

Keywords:
Azilsartan MedoxomilDescriptionDosing informationMethods of analysisMethods of preparationPharmacodynamicsPharmacokineticsPhysical characteristicsStability and reviews

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Area of Science:

  • Pharmacology and Pharmaceutical Sciences
  • Medicinal Chemistry

Background:

  • Hypertension is a prevalent condition requiring effective therapeutic agents.
  • Azilsartan, an angiotensin receptor blocker (ARB), is a key medication for managing high blood pressure.
  • Understanding its comprehensive profile is crucial for its clinical application.

Purpose of the Study:

  • To provide a detailed profile of Azilsartan Medoxomil.
  • To outline preparation methods and investigate physical properties.
  • To review analytical techniques, stability, and clinical aspects.

Main Methods:

  • Characterization of physical properties (ionization constant, solubility, X-ray diffraction, DSC, thermal conductivity, spectroscopy).
  • Development and review of analytical methods (spectrophotometry, electrochemistry, chromatography).
  • Review of drug stability, pharmaceutical applications, mechanism of action, pharmacodynamics, and dosing.

Main Results:

  • Detailed description of Azilsartan Medoxomil, including its chemical properties and elemental analysis.
  • Investigation into various physical characteristics essential for drug formulation.
  • Established analytical methodologies for quality control and comprehensive review of its pharmacological profile.

Conclusions:

  • Azilsartan Medoxomil is a well-characterized antihypertensive agent.
  • A robust understanding of its properties and analysis supports its effective pharmaceutical use.
  • This profile serves as a valuable resource for researchers and clinicians in hypertension management.