FDA Public Notification: Tawon Liar Contains Hidden Drug Ingredients

Review adverse event reports for potential links to counterfeit weight loss medicines; check product supply chain for unlicensed sources.

Immediately quarantine and return unused MonaTherm probes from affected lots; review patient records for potential exposure and adverse events.

Ask the safety/device vigilance and PV CSV leads to: (1) confirm whether any marketed/fielded SaMD/AIaMD uses adaptive ML or planned updates that would fit a PCCP-like approach; (2) review current change-control SOPs and technical documentation to ensure change governance and transparency artifacts are captured and retrievable; (3) verify post-market/vigilance processes explicitly account for algorithm updates (e.g., monitoring after updates, escalation criteria).

Marketing authorisation holders should prepare to update their COVID-19 vaccines to target the XFG variant for the upcoming campaign; monitor for further regulatory guidance and prepare for potential strain change submissions.