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Related Concept Videos

Clinical Trials: Overview01:11

Clinical Trials: Overview

Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
Heart Failure Drugs: Inotropic Agents01:26

Heart Failure Drugs: Inotropic Agents

Positive inotropic agents are commonly used as the first line of treatment for heart failure. One such agent is digoxin, derived from the genus Digitalis, which has been known for centuries but effectively utilized since 1785. However, these cardiac glycosides can have potentially toxic effects due to their mechanism of action, which involves inhibiting Na+/K+-ATPase and increasing contractility. Digoxin is absorbed orally and distributed in various tissues, including the CNS. It has a long...
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
Clinical Trials01:16

Clinical Trials

Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and medical devices. Using statistics in clinical trials enables researchers to derive reasonable and accurate conclusions from the collected data, allowing them to make wise decisions in uncertain situations. In medical research, statistical methods are crucial for preventing errors and bias.
There are four phases in a clinical trial. A phase one...
Preclinical Development: Overview01:28

Preclinical Development: Overview

Preclinical development consists of a series of tests that ensure the safety and efficacy of a new therapeutic compound before it is tested in humans. There are four main phases to this process. First, safety pharmacology tests are conducted to ensure the drug does not produce any acutely harmful effects. These tests examine parameters such as bronchoconstriction, cardiac dysrhythmias, blood pressure changes, and ataxia. Next, preliminary toxicological testing is performed to determine the...
Pharmacodynamics: Overview and Principles01:21

Pharmacodynamics: Overview and Principles

Pharmacodynamics is a scientific field that delves into drugs' intricate biochemical, cellular, and physiological effects on the human body. The study of pharmacodynamics helps us understand how drugs interact with the body and elicit various responses.
Most drugs' effects result from their interactions with drug receptors or targets within the body. These interactions trigger specific responses at the cellular or systemic level. Drug receptors can be found on the surfaces of cells or within...

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Related Experiment Video

Updated: Jun 5, 2026

In Silico Clinical Trials for Cardiovascular Disease
09:09

In Silico Clinical Trials for Cardiovascular Disease

Published on: May 27, 2022

Levosimendan: from basic science to clinical trials.

Andrea Rognoni1, Alessandro Lupi, Maurizio Lazzero

  • 1Coronary Care Unit, Hospital Maggiore della Carità, Novara, Italy.

Recent Patents on Cardiovascular Drug Discovery
|January 7, 2011
PubMed
Summary

Levosimendan enhances heart function by increasing calcium sensitivity and opening potassium channels, improving myocardial performance without raising oxygen demand. This novel inodilator shows promise for various cardiac conditions beyond standard heart failure treatment.

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Area of Science:

  • Pharmacology
  • Cardiology
  • Drug Discovery

Background:

  • Levosimendan is an inodilator used for heart failure.
  • It enhances myocardial performance without increasing oxygen consumption.
  • Its mechanism involves calcium sensitization and potassium channel opening.

Purpose of the Study:

  • To review the pharmacological properties of levosimendan.
  • To discuss its clinical applications in heart failure and other conditions.
  • To cover patent data related to levosimendan use.

Main Methods:

  • Literature review of pharmacological characteristics.
  • Analysis of clinical studies on levosimendan applications.
  • Review of patent data concerning levosimendan.

Main Results:

  • Levosimendan offers positive inotropic and vasodilator effects.
  • It may be non-inferior or advantageous compared to standard inotropes.
  • Potential applications include perioperative use, cardioprotection, and managing shock.

Conclusions:

  • Levosimendan is a unique agent improving cardiac function with minimal oxygen demand increase.
  • Its efficacy stems from improved cardiomyocyte contractility and other mechanisms.
  • Further research and clinical application are supported by existing data and patents.