Assessing the safety of a tin-silver alloy used in a female sterilization device

Tin-Silver Alloy as a Degradable Biomaterial: Biocompatibility Assessment

NIH-funded research Clemson University · NIH-11119129

This study is looking into how a special metal used in the Essure® birth control device interacts with the body to make sure it's safe for women who have had the procedure.

Quick facts

Grant typeR03 grant
Study typeNIH-funded research
Funding institutionClemson University NIH-funded
Lab location1 site (Clemson, United States)
Project IDNIH-11119129 on NIH RePORTER

What this research studies

This research investigates the biocompatibility of a tin-silver alloy used in the Essure® Micro Insert Female Sterilization device, which has raised concerns due to reported adverse events. The study aims to understand how this metal alloy behaves in the human body, particularly its degradation and potential health impacts. By analyzing retrieved devices, researchers will assess the corrosion of the alloy and its effects on surrounding tissues. This research is crucial for ensuring the safety of similar medical devices in the future.

Who could benefit from this research

Good fit: Ideal candidates for this research include women who have previously used the Essure® device or those interested in understanding the safety of similar sterilization methods.

Not a fit: Patients who have never used the Essure® device or are not considering sterilization options may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved safety standards for medical devices that use metal alloys, ultimately protecting patients from adverse effects.

How similar studies have performed: While this specific investigation into the tin-silver alloy is novel, similar studies on the biocompatibility of other materials in medical devices have shown promising results.

Where this research is happening

Clemson, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.