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Related Concept Videos

Prodrugs01:30

Prodrugs

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Prodrugs are a class of pharmaceutical compounds that undergo a biotransformation process within the body to be converted into a pharmacologically active drug. Prodrugs are designed to improve the therapeutic properties of the parent drug, such as enhancing bioavailability, increasing stability, or reducing toxicity. The concept of prodrugs revolves around modifying the chemical structure of the original drug to make it more effective or convenient for administration.
Prodrugs help overcome...
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Structure-Activity Relationships and Drug Design01:28

Structure-Activity Relationships and Drug Design

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Drug design is a dynamic field that involves discovering and developing new medications based on specific biological targets. This process heavily relies on structure-activity relationships (SAR) and quantitative structure-activity relationships (QSAR) to guide the design and optimization of efficient drugs.
SAR studies the intricate relationship between a drug's chemical structure and biological activity. It focuses on understanding how modifications to a drug's structure can influence...
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Drug Biotransformation: Overview01:16

Drug Biotransformation: Overview

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Pharmaceutical substances known as xenobiotics are predominantly lipophilic and nonionized. This enables them to permeate lipid bilayers, such as cell membranes, and interact with intracellular target receptors. Lipophilic drugs have an advantage in crossing biological barriers and reaching their intended sites of action. However, lipophilic drugs often have a restricted capacity for renal expulsion or elimination from the body. When these drugs enter the kidneys and undergo glomerular...
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Drug Discovery: Overview01:26

Drug Discovery: Overview

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Drug discovery is a multifaceted process involving extensive screening, testing, and optimization of lead compounds to identify potential new drugs for therapeutic use. It combines several approaches, including screening large numbers of natural products, chemical modification of known active molecules, identification of new drug targets, and rational design based on biological mechanisms and drug-receptor structure. These approaches are carried out in both academic research laboratories and...
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Principles of Drug Action01:24

Principles of Drug Action

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Drugs are chemical substances that modify biological responses by interacting with macromolecular targets such as receptors, ion channels, transporters, and enzymes. Pharmacodynamics describes the course of action of drugs leading to the physiological effect at a specific site in the body.
Drugs can be agonists or antagonists. Like the endogenous ligands, agonists always bind and activate the target to produce a cellular response. Agonist binding induces a conformational change which in turn...
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Drug Metabolism: Phase II Reactions01:14

Drug Metabolism: Phase II Reactions

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Phase II reactions are essential for the detoxification and elimination of drugs from the body. These reactions involve the conjugation of parent drugs or their phase I metabolites with endogenous molecules, resulting in more hydrophilic drug conjugates. The primary conjugation reactions in this phase are sulfation and glucuronidation. Both sulfation and glucuronidation typically produce biologically inactive metabolites. However, in some cases involving prodrugs, active metabolites may be...
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Structure modification: a successful tool for prodrug design.

Yuexuan Cheng1, Chunhong Zhong1, Shujing Yan1

  • 1College of Pharmacy, Xinjiang Medical University, Urumqi, Xinjiang, 830011, China.

Future Medicinal Chemistry
|March 22, 2023
PubMed
Summary
This summary is machine-generated.

Structural modification of drugs creates effective prodrugs. This strategy enhances drug properties, targeting, and delivery systems for improved therapeutic outcomes.

Keywords:
lipidic prodrugsmicroenvironment responsive prodrugsprodrugstructure modificationwater-soluble prodrugs

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Area of Science:

  • Medicinal Chemistry
  • Drug Delivery Systems
  • Pharmacology

Background:

  • Prodrug strategy is essential for advancing drug development.
  • Structural modification offers a direct route to creating prodrugs.
  • Optimizing drug properties like solubility and lipophilicity is key.

Purpose of the Study:

  • To review prodrugs developed through structural modification.
  • To highlight methods for enhancing drug targeting and delivery.
  • To discuss various types of prodrugs based on responsiveness.

Main Methods:

  • Review of literature on prodrug design via structural modification.
  • Categorization of prodrugs based on their responsive elements (lipidic, water-soluble, pH, redox, enzyme).
  • Analysis of how structural changes impact drug properties and delivery.

Main Results:

  • Structural modification effectively improves drug defects and physicochemical properties.
  • Linking responsive groups enhances drug targeting.
  • Integration with delivery systems improves drug loading, stability, bioavailability, and release control.

Conclusions:

  • Prodrug design through structural modification is a versatile approach.
  • Responsive prodrugs offer targeted delivery and controlled release.
  • This strategy significantly advances innovative drug development.