AI health tools not actually tested on health outcomes

A study of 1,357 FDA-cleared AI medical devices found only three had been tested for actual patient health outcomes, revealing major gaps in clinical validation and patient safety evidence. The FDA's reliance on 'substantial equivalence' approval allows unproven AI tools to reach the market, posing risks internationally as many regulators accept FDA clearance as a benchmark.

This Wire brief sits within Fusion42's coverage of Healthtech Infrastructure, and 3 sources have reported it between 20 Aug 2026 and 24 Aug 2026.