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Oral Drug Delivery Systems: Continuous-Release Systems

Oral Drug Delivery Systems: Continuous-Release Systems

Continuous-release drug delivery systems offer a strategic approach to maintaining therapeutic drug levels over extended periods following oral administration. By modulating the release rate of active pharmaceutical ingredients, these systems minimize fluctuations in plasma concentrations, which enhances clinical efficacy and reduces the need for frequent dosing. Such characteristics make them particularly advantageous in managing chronic diseases where patient adherence and stable drug...

Modified-Release Drug Delivery Systems: Overview

Modified-Release Drug Delivery Systems: Overview

Modified-release dosage forms are designed to address the limitations of drugs with short biological half-lives. These forms maintain stable therapeutic drug concentrations over extended periods, reducing the need for frequent dosing. A consistent drug level helps minimize peak-trough fluctuations, which can reduce adverse effects, lower the risk of drug resistance, and improve overall treatment effectiveness.One common type of modified-release form is the extended-release (ER) formulation. ER...

Prescription, Nonprescription and Orphan Drugs

Prescription, Nonprescription and Orphan Drugs

Prescription drugs require a prescription from a medical practitioner and can only be obtained from a pharmacy. They have many applications, including treating pain, anxiety, and hypertension.
The misuse and addiction to prescription drugs is a growing problem that can affect people of all age groups, specifically teenagers. This can happen when prescription medications are used in ways not intended by the prescriber, such as taking someone else's prescription or using medication for...

Drug Delivery Systems: Different Types

Drug Delivery Systems: Different Types

Conventional oral drug products, termed immediate-release (IR) formulations, are engineered to promptly release their active pharmaceutical ingredient (API) upon ingestion, typically in tablets or capsules. This rapid release often results in swift drug absorption and consequent pharmacodynamic effects, although the timing and intensity can vary depending on the drug's properties. Prodrugs within these formulations require metabolic conversion to activate their pharmacodynamic effects,...

Modified-Release Drug Delivery Systems: Classification

Modified-Release Drug Delivery Systems: Classification

Modified-release drug delivery systems improve drug efficacy and minimize side effects by controlling the rate and location of drug release. These systems fall into three categories: rate-programmed, stimuli-activated, and site-targeted.Rate-programmed systems release drugs at a predetermined rate, maintaining consistent therapeutic levels and reducing fluctuations that could lead to toxicity or subtherapeutic effects. These systems use polymeric matrices, reservoir-based designs, or osmotic...

Modified-Release Drug Delivery Systems: Drug Release Characteristics

Modified-Release Drug Delivery Systems: Drug Release Characteristics

Drug release from modified-release dosage forms is designed to achieve specific therapeutic effects by controlling the rate and extent of drug release. The classification of these drug release systems is based on key pharmacokinetic assumptions: drug disposition follows first-order kinetics, drug release is the rate-limiting step in absorption, and the released drug is rapidly and completely absorbed.There are four major models of drug release patterns. The first model is the slow zero-order...

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Related Experiment Video

Updated: Jul 11, 2026

Disposable Dosators Intended for Dry Powder Delivery to Mice

Disposable Dosators Intended for Dry Powder Delivery to Mice

Published on: August 18, 2023

Safe pill-dispensing.

Massimiliano Testa¹, John Pollard

¹Department of Electronic and Electrical Engineering, University College London, UK.

Studies in Health Technology and Informatics

|September 29, 2007

Summary

This summary is machine-generated.

This study introduces a smart pill dispenser system using Radio Frequency IDentification (RFID) smart-cards for secure medication management. The system ensures accurate drug dispensing and patient safety by verifying identity and tracking medication intake.

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Area of Science:

Health Informatics
Biomedical Engineering
Pharmaceutical Technology

Background:

Medication non-adherence poses significant challenges in patient care.
Manual medication management systems are prone to errors and inefficiencies.
There is a need for automated, secure systems to improve treatment adherence and patient safety.

Purpose of the Study:

To develop and evaluate a smart pill dispenser system for automated and secure medication management.
To enhance patient adherence to prescribed drug regimens.
To ensure safe and confidential handling of patient treatment information.

Main Methods:

Patients utilize smart-cards with Radio Frequency IDentification (RFID) chips for unique identification.
Pill dispenser units with RFID readers communicate wirelessly via Bluetooth to a central Base-station.
A database at the Base-station stores and retrieves patient and treatment data based on RFID codes.

Main Results:

The system automatically dispenses correct medication quantities based on retrieved treatment data.
Dispensing is prevented if the patient has already taken their daily dose, enhancing safety.
Secure and confidential data transfer ensures patient privacy and system integrity.

Conclusions:

The RFID-based smart pill dispenser system offers a reliable solution for automated medication management.
This technology can significantly improve treatment adherence and reduce medication errors.
The system provides a secure and confidential platform for personalized patient care.