Suggest guests or get in contact
CGM Series | The Glucose Never Lies® Podcast
Three 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 evolved
- Why CE marking is not a quality standard for CGM accuracy
- How the five-point accuracy scoring system works and what it requires from a device
- Why only four devices currently meet the data sufficiency standard
- What 20/20 and 40/40 agreement rates mean in real clinical terms
- Why everyone using CGM for insulin decisions still needs a working finger-prick meter
- The calibration debate: does the option to calibrate add safety or risk?
- What ATTD 2025 revealed about fully closed loop systems — and who may not benefit
- The case for GLP-1 in type 1 diabetes and why priority access matters
- Abbott's continuous ketone monitor: opportunity, unknowns, and risks
- AID system optimisation, insulin on board, and the GNL AID System Explorer
Chapters:
- 00:00 — Introduction: meeting Amanda, Beth and Tamsin
- 02:14 — Why the DSN Forum CGM comparison chart was created
- 06:47 — Turning complex CGM evidence into a practical scoring system
- 16:23 — How CGM choice works in real clinical settings
- 20:36 — Why finger-prick testing still matters — and the calibration debate
- 29:26 — What stood out at ATTD 2025
- 44:03 — AID systems, insulin on board, and the GNL AID optimiser
- 49:49 — Where to find the DSN Forum, the chart, and closing thoughts
Guests: 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.diabetesspecialistnurseforumuk.co.uk/new-cgm-comparison-chart
- CGM Guide Part 2 — Assessing CGM Accuracy: https://theglucoseneverlies.com/assessing-cgm-accuracy-performance/
- GNL AID System Explorer: https://theglucoseneverlies.com/aid-system-explorer/
- Episode 35 — Professor Othmar Moser on CGM Study Design: https://theglucoseneverlies.com/episode-35-cgm-series-the-importance-of-cgm-accuracy-and-study-design-with-professor-othmar-moser/
Educational purposes only. Not medical advice. Always work with your diabetes care team.
Support GNL: https://buy.stripe.com/9B63cx4UO3KEdKC0Sp7Re00
The Glucose Never Lies® is a registered trademark of The GNL Ltd. Company No. 16733595. UK VAT No. GB 516 3272 08.
Disclaimer
This 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 design
We 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://buymeacoffee.com/gnlfree
Enquiries
Collaboration: John Pemberton — john@theglucoseneverlies.com
Creatives: Anjanee Kohli — anj@theglucoseneverlies.com
Follow The Glucose Never Lies®
Website: https://theglucoseneverlies.com/
Instagram: https://www.instagram.com/theglucoseneverlies
LinkedIn: https://www.linkedin.com/company/theglucoseneverlies
LinkedIn: John Pemberton: https://www.linkedin.com/in/john-pemberton-587104361/
X: https://twitter.com/GlucoseNLies
Disclaimer
This content is for informational purposes only and does not constitute medical advice.
© The Glucose Never Lies Ltd. All rights reserved.
