Engineering microneedles for biosensing and drug delivery.

Area of Science:

• Biomedical Engineering
• Nanotechnology
• Drug Delivery Systems

Background:

• Microneedles (MNs) are small, minimally invasive devices used for bio-fluid collection and therapeutic agent delivery.
• Their small size and reduced invasiveness can improve patient compliance, especially for those with needle phobia.
• Current research aims to overcome technical challenges and advance MNs toward clinical applications.

Purpose of the Study:

• To explore engineering methods for microneedle (MN) fabrication.
• To focus on the integration of biosensing capabilities and drug delivery functionalities in MNs.
• To review clinically approved MN designs and identify future development opportunities.

Main Methods:

• Review of microneedle (MN) designs, materials, and fabrication techniques.
• Analysis of methods for integrating biosensors for real-time analyte monitoring.
• Examination of strategies to enhance drug delivery efficiency, stability, and patient comfort.
• Investigation of clinically approved MN designs for translational insights.

Main Results:

• Microneedles (MNs) show promise for enhanced drug delivery and real-time biosensing.
• Various designs, materials, and fabrication methods are being explored to optimize MN performance.
• Clinically approved MN designs provide valuable insights for future development.

Conclusions:

• Microneedle (MN) technology is rapidly evolving, with significant potential in biosensing and drug delivery.
• Continued research is crucial to address technical obstacles and facilitate clinical translation.
• Future opportunities lie in refining MN designs for improved efficacy, stability, and patient experience.