The new test for silicosis has shown promise in an early study, and is now being analysed in larger cohorts.

A new diagnostic tool developed by physicians and scientists from UNSW Sydney that analyses a person’s breath for signs of silicosis has the potential to catch the disease earlier rather than wait for irreversible lung damage to appear.

In a study published today in the Journal of Breath Research by Professor William Alexander Donald and Conjoint Professor Deborah Yates, the researchers describe a rapid, AI-powered breath test that could transform the way silicosis is diagnosed. The test combines mass spectrometry – a scientific technique that analyses molecules – and AI to rapidly detect silicosis from breath samples, providing a fast and non-invasive diagnostic tool for at-risk workers.

Silicosis, which is a lung disease caused by inhaling tiny crystalline particles of silicon dioxide, is a major occupational health concern in Australia, with cases now extending beyond engineered stone workers to workers in tunnelling and construction. The Australian government has responded with a ban on engineered stone, but with new cases emerging from other high-risk industries, there is an urgent need for better diagnostic tools.

Unlike traditional methods such as X-rays and CT scans that detect silicosis at later stages, the UNSW-developed test provides results in minutes.

“Our study shows that the AI-driven model accurately distinguished silicosis patients from healthy individuals based on their breath profiles, providing a reliable tool for early detection, “ lead researcher Prof. Donald from UNSW’s School of Chemistry says.

“This suggests that breath testing could be a practical tool for large-scale worker screening and early intervention.”