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Updated: Feb 15, 2026

Simple Continuous Glucose Monitoring in Freely Moving Mice
Published on: February 24, 2023
Resistance to Acetaminophen Interference in a Novel Continuous Glucose Monitoring System
Peter Calhoun1, Terri Kang Johnson1, Jonathan Hughes1
11 Dexcom, Inc, San Diego, CA, USA.
Abstract:
Acetaminophen (APAP) can cause erroneously high readings in real-time continuous glucose monitoring (rtCGM) systems. APAP-associated bias in an investigational rtCGM system (G6) was evaluated by taking the difference in glucose measurements between rtCGM and YSI from 1 hour before to 6 hours after a 1-g oral APAP dose in 66 subjects with type 1 or type 2 diabetes. The interference effect was defined as the average post-dose (30-90 minutes) bias minus the average baseline bias for each subject. The clinically meaningful interference effect was defined as 10 mg/dL. The G6 system's overall mean (±SD) interference effect was 3.1 ± 4.8 mg/dL (one-sided upper 95% CI = 4.1 mg/dL), significantly lower than 10 mg/dL. The G6 system's resistance to APAP interference should provide reassurance to those using the drug.
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