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Phases of Wound Repair01:28

Phases of Wound Repair

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Following injury, the integrity of the injured tissues must be reestablished. For example, in skin tissue, wound repair involves coordination among resident skin cells, blood mononuclear cells, extracellular matrix, growth factors, and cytokines to complete the healing cascade.
Formation of Blood Clot
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Drug Delivery: Miscellaneous Routes01:22

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Drug delivery methods like oral inhalation, nasal sprays, transdermal patches, eye drops, intravitreal injection,  and rectal administration provide localized effects with reduced toxicity.
Oral inhalation and nasal sprays swiftly transfer drugs across the respiratory epithelium's mucosal layer. Inhaled glucocorticoids and bronchodilators directly target lung conditions such as asthma, while fluticasone nasal spray mitigates allergic rhinitis.
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Drug Delivery: Overview01:16

Drug Delivery: Overview

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The selection of a drug's delivery route depends upon its physicochemical properties, including lipid or water solubility and ionization, as well as the therapeutic requirement, such as immediate or sustained effect. These routes can be divided into three primary categories: enteral, parenteral, and topical.
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Non-Oral Extravascular Drug Absorption Routes01:15

Non-Oral Extravascular Drug Absorption Routes

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Non-oral extravascular routes, which encompass sublingual, buccal, topical, intramuscular, and inhalation methods, primarily utilize passive diffusion to transport drugs into the systemic circulation. The absorption rates and effectiveness of these routes depend on the drug's physicochemical properties, as well as the patient's anatomical and pathophysiological state.
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Drugs for Peptic Ulcer Disease: Prostaglandin Analogs as Mucosal Protective Agents01:20

Drugs for Peptic Ulcer Disease: Prostaglandin Analogs as Mucosal Protective Agents

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The gastric mucosa produces prostaglandins E2 (PGE2) and prostacyclin (PGI2), crucial in maintaining gastric health. They exert cytoprotective effects, including increasing bicarbonate secretion, releasing protective mucin, reducing gastric acid output, and preventing harmful vasoconstriction. These effects are mediated through various receptors, such as EP1, EP2, EP3, and EP4.
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Drug Delivery: Parenteral Route01:29

Drug Delivery: Parenteral Route

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The parenteral route is a critical method of drug administration. It delivers compounds directly into the systemic circulation and bypasses the gastrointestinal tract. This approach is particularly advantageous for drugs that exhibit poor absorption or instability when administered orally.
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Curcumin-Loaded Drug Delivery Systems for Acute and Chronic Wound Management: A Review.

Xiaoxuan Deng1, Jithendra Ratnayake2, Azam Ali1,2

  • 1Centre for Bioengineering & Nanomedicine (Dunedin), Faculty of Dentistry, Division of Sciences, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand.

Bioengineering (Basel, Switzerland)
|August 28, 2025
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Curcumin, an antioxidant and anti-inflammatory compound, shows promise for enhancing chronic wound healing. Curcumin-loaded dressings offer controlled delivery to promote tissue repair.

Keywords:
curcuminhydrogelswound healingwound management

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Area of Science:

  • Biomedical Engineering
  • Pharmacology
  • Materials Science

Background:

  • Wound healing involves distinct physiological phases: hemostasis, inflammation, proliferation, and remodeling.
  • Chronic wounds impede healing due to prolonged inflammation and infection, posing clinical challenges.
  • Effective chronic wound management requires integrated approaches combining wound care techniques and therapeutic agents.

Purpose of the Study:

  • To review the physiology of wound healing, including acute and chronic wound pathophysiology and management.
  • To explore the biological activities of curcumin, focusing on its role in promoting tissue repair.
  • To examine advanced curcumin-loaded delivery systems for enhanced wound healing.

Main Methods:

  • Comprehensive literature review of wound healing physiology and pathophysiology.
  • Analysis of curcumin's biological properties, including antioxidant, anti-inflammatory, and antibacterial effects.
  • Exploration of various curcumin-loaded dressing formulations (hydrogels, nanofibrous membranes, micelles, films).

Main Results:

  • Curcumin exhibits significant antioxidant, anti-inflammatory, and antibacterial properties beneficial for wound healing.
  • Curcumin demonstrates potential in accelerating tissue repair and promoting the resolution of inflammation.
  • Curcumin-loaded dressings facilitate controlled release and targeted delivery, optimizing therapeutic efficacy.

Conclusions:

  • Curcumin holds therapeutic potential for managing chronic wounds by modulating key healing pathways.
  • Advanced drug delivery systems are crucial for maximizing curcumin's effectiveness in wound healing applications.
  • Further research into curcumin-based therapies and delivery systems can lead to improved clinical outcomes for wound management.