35: CGM Series: The importance of CGM Accuracy and Study Design with Professor Othmar Moser

The Glucose Never Lies® Podcast

The Glucose Never Lies® Podcast
35: CGM Series: The importance of CGM Accuracy and Study Design with Professor Othmar Moser
Mar 23, 2026 Episode 35
John Pemberton

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Episode 35: CGM Accuracy, Evidence Gaps and What the Data Really Shows with Professor Othmar Moser

In this episode, John Pemberton speaks with Professor Othmar Moser about CGM accuracy and the evidence gap shaping current guidance in type 1 diabetes.

Recorded at ATTD in Barcelona, this episode explores CGM accuracy, study design, and interpretation gaps.

Key topics discussed  

  • What CGM accuracy really means  
  • Why study design matters  
  • Regulatory vs real-world gaps  
  • Language and interpretation  
  • When finger prick testing is required  

Guest : Professor Othmar Moser  

Links  

  • DSN Forum + GNL CGM Charts: https://www.diabetesspecialistnurseforumuk.co.uk/new-cgm-comparison-chart  
  • Full show page: https://theglucoseneverlies.com/episode-35-cgm-accuracy-study-design/

 

Disclaimer

This podcast is for education and informational purposes only. It does not constitute medical advice and is not a substitute for individualised care.

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Enquiries

Collaboration: John Pemberton — john@theglucoseneverlies.com

Creatives: Anjanee Kohli — anj@theglucoseneverlies.com

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Disclaimer
This content is for informational purposes only and does not constitute medical advice.

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Episode Artwork 35: CGM Series: The importance of CGM Accuracy and Study Design with Professor Othmar Moser 59:35 Episode Artwork 34 — Building High-Performance Type 1 Diabetes Care: Technology, Targets, and Equity (Dr Peter Adolfsson) 51:02 Episode Artwork 33 — Exercise Evidence for Females with T1D: Mind the Gap | Associate Professor Jane Yardley 1:11:46 Episode Artwork 32 — Menstrual Cycles & Type 1 Diabetes: The Gender Gap in Care | Dr. Cecilia Nobili 54:44 Episode Artwork 31 — Prof Scott on pregnancy with type 1 diabetes: from pre-conception planning to postpartum care 1:21:23 Episode Artwork 30 — Educating on the algorithms behind diabetes devices 31:54 Episode Artwork 29 — The Behaviour Change Playbook for Type 1 Diabetes 1:06:09 Episode Artwork 28 — Then Glucose Never Lies 2025 in Review: Chaos → Clarity 1:04:10 Episode Artwork 27 — T1D Looping Blind: Making the Impossible Possible Together 42:24 Episode Artwork 26 – Building a Diabetes Community Through Vulnerability, Movement and Mindset (Diabetes with Mily) 39:15 Episode Artwork 25 — Partying with T1D (Alcohol Edition) 1:08:41 Episode Artwork 24 — Skincare, Sensors & Smarter AID Algorithms for Type 1 Diabetes 1:00:27 Episode Artwork 23 — From Diabetes Brunches to Bali by Creating a Type 1 Diabetes Community with Dr Temi Olonisakin 48:40 Episode Artwork 22 — From Diabetes Burnout to the CGM Access Blueprint — Kirsten de Klerk (South Africa) 57:28 Episode Artwork 21 — Partha Kar’s SPARK: Transforming diabetes care using his “Five-to-Drive-Change” 43:19 Episode Artwork 20 — Standardization of Testing CGM Performance: The Nuts and Bolts with Stefan Pleus of the IFCC 58:01 Episode Artwork 19 – iCGM vs eCGM vs Standardisation by the IFCC: CGM Regulation with Dr. Guido Freckmann 28:51 Episode Artwork 18 — Physical Activity vs Exercise: the Before–During–After Playbook with Prof. Othmar Moser 1:02:35 Episode Artwork 17 – GLP-1 in Type 1 Diabetes: beyond weight loss, towards metabolic therapy? 1:08:35 Episode Artwork 16: Diabetes & Driving: Why You Need to Be 5 to Drive 54:58 Episode Artwork 15: C-Peptide - What type of type 1 diabetes do you have? 23:20 Episode Artwork 14: Overcoming Insulin Resistance in Type 1 Diabetes 46:22 Episode Artwork 12: CGM Functionality (Part 3): The Bells and Whistles 30:21 Episode Artwork 11: CGM Accuracy (Part 2): Understanding MARD, 20/20, 40/40, and Error Grids. 31:37 Episode Artwork 10: CGM Accuracy (Part 1) "Study Design First, Performance After" 27:48