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Related Experiment Videos

"Programmed polymeric devices" for pulsed drug delivery.

Barbara G Stubbe1, Stefaan C De Smedt, Joseph Demeester

  • 1Laboratory of General Biochemistry and Physical Pharmacy, Department of Pharmaceutics, Ghent University, 9000 Ghent, Belgium.

Pharmaceutical Research
|November 24, 2004
PubMed
Summary
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Programmable dosage forms offer precisely timed drug delivery, moving beyond constant release systems. This approach aligns drug release with biological needs, enhancing efficacy and reducing toxicity.

Area of Science:

  • Pharmacology
  • Drug Delivery Systems
  • Chronopharmaceutics

Background:

  • Traditional drug delivery systems often assume constant physiological parameters.
  • Circadian rhythms and specific pathologies necessitate dynamic drug release profiles.
  • The "flatter the better" drug concentration paradigm may not always be optimal.

Purpose of the Study:

  • To explore concepts for pulsed drug release from pharmaceutical devices.
  • To introduce programmable dosage forms for precisely timed drug delivery.
  • To highlight the benefits of chronopharmaceutics in therapeutic interventions.

Main Methods:

  • Review of proposed concepts for pulsed drug release mechanisms.
  • Analysis of programmable dosage form strategies.

Related Experiment Videos

  • Discussion of the correlation between biological needs and drug release timing.

    • Main Results:

    • Identified concepts for releasing drugs in a pulsed manner.
    • Highlighted the potential of programmable dosage forms.
    • Emphasized the shift from constant to precisely timed drug delivery.

    Conclusions:

    • Precisely timed drug delivery, enabled by programmable dosage forms, is required to meet biological needs.
    • This approach can maximize therapeutic efficacy and minimize dose frequency.
    • Reducing toxicity and avoiding side effects are key advantages of pulsed drug release systems.