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Perspective - Biology & Medicine Case Reports (2023) Volume 7, Issue 3

Advances in drug delivery systems for enhanced pharmacokinetics and therapeutic efficacy

Kagan Smale*

Department of Microbiology, University of California, Los Angeles, USA

*Corresponding Author:
Kagan Smale
Department of Microbiology
University of California, Los Angeles, USA

Received: 26-Apr-2023, Manuscript No. aabmcr -23-104483; Editor assigned: 28-Apr-2023, Pre QC No. aabmcr -23-104483 (PQ); Reviewed: 12-May-2023, QC No. aabmcr -23- 104483; Revised: 15-May-2023, Manuscript No. aabmcr -23-104483 (R); Published: 22-May -2023, DOI: 10.35841/aabmcr-7.3.146

Citation: Smale K. Advances in drug delivery systems for enhanced pharmacokinetics and therapeutic efficacy. Biol Med Case Rep. 2023;7(3):146

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The structure of the natural product molecule is optimized to improve its pharmacological properties. This can involve changing the stereochemistry of the molecule, introducing functional groups, or altering the size and shape of the molecule. Identification of active compounds: Natural product extracts or fractions can be screened to identify active compounds. Bioassay-guided fractionation is a common technique that involves partitioning the natural product extract into fractions and testing each fraction for biological activity. The active fractions are further purified to isolate the active compounds [1].

Natural product databases can be screened using computational methods to identify compounds with specific biological activities or structural features. This approach is particularly useful for identifying compounds with rare or unusual structures. Total synthesis: Natural product molecules can be synthesized from scratch using chemical methods. This approach allows medicinal chemists to modify the natural product structure in a more flexible way and optimize its pharmacological properties. Pharmacophore modeling: Medicinal chemists can use computational methods to create pharmacophore models based on the natural product molecule's structure and biological activity. The models can be used to screen virtual compound libraries and identify new compounds with similar pharmacological properties [2].

Advances in drug delivery systems have significantly contributed to improving pharmacokinetics and therapeutic efficacy of drugs. Here is some key advancement in drug delivery systems Nanotechnology-based Drug Delivery Systems Nanotechnology offers precise control over drug delivery by designing nanoparticles, liposomes, or micelles that can encapsulate drugs. These systems provide several advantages, including targeted drug delivery, sustained release, and protection of drugs from degradation. Nanoparticles can be engineered to accumulate at specific disease sites, improving drug concentration and reducing side effects. Lipid-based Delivery Systems Lipid-based delivery systems, such as liposomes and lipid nanoparticles, are extensively used for drug delivery. These systems can encapsulate both hydrophobic and hydrophilic drugs and improve their solubility and stability. Lipid-based systems can also target specific tissues or cells and enhance drug absorption and bioavailability [3].

Controlled Release Systems Controlled release systems provide sustained drug release over an extended period, maintaining therapeutic drug levels and reducing the need for frequent dosing. Examples include implantable devices, transdermal patches, and injectable depots. These systems enhance patient compliance and minimize fluctuations in drug concentration, improving therapeutic outcomes. Targeted Drug Delivery Targeted drug delivery systems aim to deliver drugs specifically to the disease site, minimizing off-target effects. Antibodies, peptides, or ligands can be conjugated to drug carriers, allowing selective binding to receptors on diseased cells or tissues. This approach enhances drug accumulation at the target site and reduces systemic toxicity [4].

Stimuli-Responsive Delivery Systems Stimuli-responsive delivery systems can release drugs in response to specific triggers, such as temperature, pH, enzymes, or light. These systems provide spatial and temporal control over drug release, enabling site-specific drug delivery. Stimuli-responsive systems can be designed to release drugs only in the diseased tissue, enhancing therapeutic efficacy. Bioadhesive drug delivery systems can adhere to biological surfaces, prolonging drug residence time and enhancing drug absorption. They can be formulated as gels, patches, or films for local delivery to mucosal surfaces, such as the buccal cavity, gastrointestinal tract, or ocular tissues. Bioadhesive systems improve drug bioavailability and reduce the need for frequent dosing [5].


Gene Delivery Systems Gene therapy holds promise for the treatment of genetic disorders and certain cancers. Delivery systems based on viral vectors, lipid nanoparticles, or polymer complexes are used to efficiently deliver therapeutic genes to target cells. These systems protect the gene cargo, facilitate cellular uptake, and provide controlled gene expression. 3D printing technology enables the fabrication of personalized drug delivery systems with precise geometries and controlled drug release profiles. It allows the customization of drug dosage forms according to patient-specific needs, improving therapeutic outcomes These advancements in drug delivery systems have revolutionized the field of pharmacotherapy by overcoming limitations of conventional drug formulations. They provide improved pharmacokinetics, enhanced drug stability, targeted delivery, and reduced side effects. These innovations offer great potential for developing more effective and patient-centric therapeutic strategies.


  1. Mateu E, Díaz I. The challenge of PRRS immunology. Vet J. 2008;177(3):345-51.
  2. Indexed at, Google Scholar

  3. He B, Sui X, Yu B, et al. Recent advances in drug delivery systems for enhancing drug penetration into tumors. Drug Deliv. 2020;27(1):1474-90.
  4. Indexed at, Google Scholar, Cross Ref

  5. Kashkooli FM, Soltani M, Souri M. Controlled anti-cancer drug release through advanced nano-drug delivery systems: Static and dynamic targeting strategies. J Control Release. 2020;327:316-49.
  6. Indexed at, Google Scholar, Cross Ref

  7. Kakde D, Jain D, Shrivastava V, et al. Cancer therapeutics-opportunities, challenges and advances in drug delivery. J Appl Pharm Sci. 2011:01-10.
  8. Google Scholar

  9. Jhawat VC, Saini V, Kamboj S, et al. Transdermal drug delivery systems: approaches and advancements in drug absorption through skin. Int J Pharm Sci Rev Res. 2013 May;20(1):47-56.
  10. Google Scholar

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