Company updates
Featured
ClosedLoop Health is now VizLoop.
Our new name reflects the workflow we’re building for pharma teams: Observe → Compare → Act → Re-measure.
2026-10-07
Blog
Measurement notes
Methodology, findings, and label-change analysis from the team measuring what AI engines tell patients and clinicians about prescription medicines.
Engine changes
The answers changed in June and nobody reviewed them. Also: the incident that wasn't.
Every material AI engine change passes through someone's review process before it ships: the vendor's. What never happens is review by the people whose regulated products the changed answers describe.
2026-09-02
Measurement
Citation share is not accuracy. June gave us both numbers side by side.
Two documents about AI answers and prescription drugs circulated in June 2026, and the distance between them is the clearest picture available of where this field actually is.
2026-09-02
Monthly roundup
June 2026 in AI answers about regulated health products: the regulators moved, the engines mostly didn't
June 2026 was a regulator's month. The substantive, verifiable movement came from Denver and Brussels, not from the AI engines.
2026-09-02
Regulation
Three dates moved in June. Here is what each one actually binds.
If your compliance calendar for AI in healthcare was written before June 2026, at least three of its dates are now wrong. None of the changes made the substantive obligations lighter. All of them changed when, and in one case whether, those obligations arrive.
2026-09-02
Regulation
The most valuable clinical AI company left Europe. Nobody made it leave.
One framing correction before anything else, because precision is the point of this blog: OpenEvidence was not kicked out of Europe. No regulator ordered it off the market, no enforcement action names it, and no ban exists.
2026-09-02
Methodology
How we score an AI answer against a versioned FDA label
Every captured answer is checked against the safety elements the current label requires. The unit of measurement is the omission, and the denominator is always the label version in force on the day of capture.
2026-08-24
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