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Updated: Jan 13, 2026

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Bioresorbable RFID capsule for assessing medication adherence.

Mehmet Girayhan Say1, Siheng Sean You1,2, Yubin Cai1,3

  • 1Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA.

Nature Communications
|January 8, 2026
PubMed
Summary
This summary is machine-generated.

A new bioresorbable ingestible sensor system, SAFARI (Smart Adherence via FARaday cage And Resorbable Ingestible), accurately tracks medication adherence. This eco-friendly technology avoids electronic waste and improves patient outcomes.

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Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Digital Health

Background:

  • Medication non-adherence is a major healthcare issue, causing preventable deaths and significant costs.
  • Current adherence monitoring methods face challenges in scalability, patient acceptance, and environmental impact.

Purpose of the Study:

  • To develop and evaluate SAFARI (Smart Adherence via FARaday cage And Resorbable Ingestible), a novel bioresorbable ingestible sensor system for precise medication adherence monitoring.
  • To address the limitations of existing adherence assessment strategies through an eco-conscious and clinically translatable solution.

Main Methods:

  • Development of a passive RFID system using biodegradable materials and a novel Faraday cage design for reliable signal detection.
  • Integration of SAFARI tags into standard gelatin or HPMC capsules.
  • In vivo validation in swine models to assess ingestion event detection and biodegradation.

Main Results:

  • SAFARI demonstrated accurate detection of medication ingestion events in preclinical swine models.
  • The system utilizes fully biodegradable materials, eliminating the need for device retrieval and mitigating electronic waste.
  • Compatibility with standard capsules enhances its potential for clinical translation.

Conclusions:

  • SAFARI offers a promising solution for accurate and sustainable medication adherence monitoring.
  • The technology has the potential to improve therapeutic outcomes and reduce healthcare expenditures by addressing adherence challenges.
  • This work lays the groundwork for next-generation, environmentally conscious adherence monitoring systems.