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Related Concept Videos

Oral Drug Delivery Systems: Introduction01:23

Oral Drug Delivery Systems: Introduction

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Oral drug delivery is the most common route of administration due to its convenience, cost-effectiveness, and high patient compliance. It enables precise formulation to ensure proper drug dosage and bioavailability. The development of oral dosage forms considers drug properties such as solubility, stability, and absorption to optimize therapeutic efficacy.Tablets, capsules, liquids, and chewable formulations enhance drug stability, mask undesirable tastes, and improve patient experience.
209
Bioavailability Enhancement: Drug Permeability Enhancement01:27

Bioavailability Enhancement: Drug Permeability Enhancement

302
After oral administration, poor permeability often limits the rate at which drugs are absorbed through the intestinal epithelium. Enhancing drug permeability is crucial for effective therapy, and several strategies have been developed to overcome this challenge.One effective strategy involves the use of lipid-based formulations. These formulations enhance dissolution and solubility, targeting physiological mechanisms to increase drug absorption. This includes stimulating bile salt secretion,...
302
Bioavailability Enhancement: Determination and Conceptual Approaches in Overcoming Bioavailability Problems01:22

Bioavailability Enhancement: Determination and Conceptual Approaches in Overcoming Bioavailability Problems

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Bioavailability is a critical pharmacological concept that measures the extent and rate at which an active drug ingredient or therapeutic moiety enters the systemic circulation, remaining unchanged. It's a pivotal factor in determining a drug's efficacy and safety.The Biopharmaceutics Classification System (BCS) plays an essential role in drug development by categorizing drugs into four classes based on their solubility and permeability. This classification aids in understanding drug absorption...
324
Bioavailability Enhancement: Drug Stability Enhancement and GI Retention01:05

Bioavailability Enhancement: Drug Stability Enhancement and GI Retention

308
Improving a drug's stability in the gastrointestinal (GI) tract is paramount for enhancing its bioavailability and therapeutic effectiveness. Various strategies are employed to protect the drug from the harsh gastric milieu and to ensure its release and absorption at the desired site within the GI tract.Polymer coatings are one such method used to shield drugs from the stomach's acidic environment. By preventing premature drug release, these coatings improve the bioavailability of unstable...
308
Modified-Release Drug Delivery Systems: Site-Targeted01:24

Modified-Release Drug Delivery Systems: Site-Targeted

96
Site-targeted drug delivery systems enhance therapeutic efficacy while minimizing systemic toxicity and treatment costs. Unlike conventional methods, these systems ensure precise drug delivery, improving bioavailability and reducing side effects. Targeted drug delivery is classified into three levels. First-order targeting directs drugs to the capillary beds of specific organs or tissues. Second-order targets specific cell types, such as tumor cells, using receptor-mediated interactions.
96
Bioavailability Enhancement: Drug Solubility Enhancement01:16

Bioavailability Enhancement: Drug Solubility Enhancement

429
Bioavailability is a critical factor in determining a drug's effectiveness. It refers to the proportion of a drug that enters the circulation when introduced into the body and is, as a result, able to have an active effect. Enhancing bioavailability is essential for drugs with poor solubility, as it can significantly impact their therapeutic efficacy. Various methods are employed to increase the solubility of drugs, thereby enhancing their bioavailability.Micronization and nanonization are...
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Experimental Quantification of Interactions Between Drug Delivery Systems and Cells In Vitro: A Guide for Preclinical Nanomedicine Evaluation
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Biomarker-Guided Drug Delivery Systems and Oral Bioavailability Enhancement.

Dang-Khoa Vo1, Van-An Duong2

  • 1College of Pharmacy, Gachon University, 191 Hambakmoe-ro, Yeonsu-gu, Incheon 21936, Republic of Korea.

Pharmaceuticals (Basel, Switzerland)
|March 28, 2026
PubMed
Summary
This summary is machine-generated.

Biomarker-guided oral drug delivery enhances precision medicine by optimizing drug absorption and efficacy. This approach uses biological markers to tailor treatments, improving patient outcomes and overcoming limitations of traditional oral medications.

Keywords:
biomarker-guided therapydrug absorption enhancementnanomedicineoral bioavailabilitypersonalized medicinetargeted drug delivery

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Area of Science:

  • Biomarker-guided drug delivery
  • Precision medicine
  • Oral drug delivery systems

Background:

  • Oral drug administration is preferred for patient compliance but often limited by poor bioavailability due to solubility, permeability, and metabolism issues.
  • These limitations lead to variable therapeutic outcomes in patient populations.
  • Biomarker guidance offers a strategy to overcome these challenges in oral drug delivery.

Purpose of the Study:

  • To explore the paradigm of biomarker-guided oral drug delivery for personalized medicine.
  • To highlight recent advancements and future potential of this therapeutic strategy.
  • To address challenges in the clinical translation of biomarker-guided oral drug delivery.

Main Methods:

  • Utilizing quantifiable physiological or molecular signatures (e.g., transporter expression, enzymatic activity, metabolite levels) to correlate with drug disposition.
  • Developing advanced formulations like pH-controlled systems, enzyme-activated nanocarriers, and responsive devices.
  • Leveraging biomarker-driven transporters for enhanced permeability.

Main Results:

  • Biomarker guidance enables site-specific release, real-time dose optimization, and adjusted absorption pathways for oral drugs.
  • Promising preclinical and early-phase clinical results observed in oncology, infectious diseases, inflammatory bowel disease, and metabolic disease.
  • Integration with nanotechnology, AI, machine learning, and biosensors shows potential for revolutionizing oral therapy.

Conclusions:

  • Biomarker-guided oral drug delivery represents a significant advancement in personalized medicine, improving drug efficacy and safety.
  • Further research is needed for rigorous biomarker validation, manufacturing scalability, and regulatory harmonization for routine clinical use.
  • Future integration with emerging technologies promises highly personalized and responsive oral therapeutic strategies.