36: CGM Series - CGM Accuracy, DSN Reality Checks and the Future of Diabetes Technology

Suggest guests or get in contactCGM Series | The Glucose Never Lies® PodcastThree of the UK's leading diabetes specialist nurses on why CE marking is not a quality standard for CGM accuracy, why data sufficiency must come before device comparison, and what ATTD 2025 revealed about where diabetes technology is heading. A frank, clinical conversation grounded in years of front-line practice — and the story of how the DSN Forum's five-point accuracy scoring system was built.In this episode:Why the DSN Forum created its CGM comparison chart and how it has evolvedWhy CE marking is not a quality standard for CGM accuracyHow the five-point accuracy scoring system works and what it requires from a deviceWhy only four devices currently meet the data sufficiency standardWhat 20/20 and 40/40 agreement rates mean in real clinical termsWhy everyone using CGM for insulin decisions still needs a working finger-prick meterThe calibration debate: does the option to calibrate add safety or risk?What ATTD 2025 revealed about fully closed loop systems — and who may not benefitThe case for GLP-1 in type 1 diabetes and why priority access mattersAbbott's continuous ketone monitor: opportunity, unknowns, and risksAID system optimisation, insulin on board, and the GNL AID System ExplorerChapters:00:00 — Introduction: meeting Amanda, Beth and Tamsin02:14 — Why the DSN Forum CGM comparison chart was created06:47 — Turning complex CGM evidence into a practical scoring system16:23 — How CGM choice works in real clinical settings20:36 — Why finger-prick testing still matters — and the calibration debate29:26 — What stood out at ATTD 202544:03 — AID systems, insulin on board, and the GNL AID optimiser49:49 — Where to find the DSN Forum, the chart, and closing thoughtsGuests: Amanda Williams (Lead Diabetes Nurse, East Kent), Beth Kelly (Clinical Lead DSN, Wiltshire), Tamsin Fletcher-Salt (Lead DSN, University Hospital North Midlands). All core members of the Diabetes Specialist Nurse Forum UK.Links:Full show notes: https://theglucoseneverlies.com/episode-36-cgm-accuracy-dsn-forum/DSN Forum CGM Comparison Chart: https://www.diabetesspecialistnDisclaimerThis podcast is for education and informational purposes only. It does not constitute medical advice and is not a substitute for individualised care.The Glucose Never Lies® is independent by designWe do not accept sponsorships and advertising. We operate via education grants and donations from listeners who value independence. So, consider:Buying the GNL a Coffee:https://www.buymeacoffee.com/jspfree2EnquiriesCollaboration: John Pemberton — [email protected]: Anjanee Kohli — [email protected] The Glucose Never Lies®Website: https://theglucoseneverlies.com/Instagram: https://www.instagram.com/theglucoseneverliesLinkedIn: https://www.linkedin.com/company/theglucoseneverliesLinkedIn: John Pemberton: https://www.linkedin.com/in/john-pemberton-587104361/X: https://twitter.com/GlucoseNLiesDisclaimer This content is for informational purposes only and does not constitute medical advice.© The Glucose Never Lies Ltd. All rights reserved.