Medical Devices, Smart Drug Delivery, Wearables and Technology for the treatment of Diabetes Mellitus.

Opportunities and challenges in closed-loop systems in type 1 diabetes.

To assess the feasibility of a prototype insulin infusion set (IIS) for extended wear in adults with type 1 diabetes.

Feasibility study of a prototype extended‐wear insulin infusion set in adults with type 1 diabetes

Opportunities and challenges in closed-loop systems in type 1 diabetes

Continuous subcutaneous insulin infusion (CSII) therapy is becoming increasingly popular. CSII provides convenient insulin delivery, precise dosing, easy adjustments for physical activity, stress, or illness, and integration with continuous glucose monitors in hybrid or other closed-loop systems. However, even as insulin pump hardware and software have advanced, technology for insulin infusion sets (IISs) has stayed relatively stagnant over time and is often referred to as the “Achilles heel” of CSII. To discuss barriers to insulin pump therapy and present information about advancements in, and results from clinical trials of extended wear IISs, Diabetes Technology Society virtually hosted the “Improving the Patient Experience with Longer Wear Infusion Sets Symposium” on December 1, 2021. The symposium featured experts in the field of IISs, including representatives from Steno Diabetes Center Copenhagen, University of California San Francisco, Stanford University, Medtronic Diabetes, and Science Consulting in Diabetes. The webinar’s seven speakers covered (1) advancements in insulin pump therapy, (2) efficacy of longer wear infusion sets, and (3) innovations to reduce plastics and insulin waste.

Improving the Patient Experience With Longer Wear Infusion Sets Symposium Report

Objective: Most insulin infusion sets (ISs) are labeled for 2- or 3-days use. The Medtronic EWIS is designed to increase wear time up to 7 days. This study reports on EWIS survival and performance during the pivotal trial (ClinicalTrials.gov: NCT04113694). Method: This multi-center (15), single-arm, non-randomized, non-inferiority trial in 259 participants (18-80yrs) with T1D using the MiniMed™ 670G system (with Humalog™ or Novolog™ insulin) involved wearing a 2- or 3-day IS for 2 weeks (run-in) followed by 12 consecutive EWIS wears (study phase). The latter was worn for ≥174 hours or until set failure. Safety and performance (i.e., a priori target of Result: The EWIS survival rate was 74.8% versus the 67.7% rate of 2- or 3-day ISs (p Conclusion: The 7-day EWIS was safe and its performance was superior at ≥174 hours compared to the performance observed for 2- or 3-day infusion sets. Disclosure B. A. Buckingham: Advisory Panel; Self; Medtronic, Tolerion, Inc., Research Support; Self; Beta Bionics, Inc., Insulet Corporation, Medtronic, Tandem Diabetes Care. B. Horowitz: Research Support; Self; Abbott Laboratories, BD, Celgene, Crinetics Pharmaceuticals, Gan & Lee Pharmaceuticals, Medtronic, Speaker’s Bureau; Self; AstraZeneca, Lilly Diabetes, Merck & Co., Inc., Novo Nordisk Inc. K. B. Kaiserman: Advisory Panel; Self; Medtronic, Consultant; Self; Medtronic, Employee; Self; MannKind Corporation, Research Support; Self; Medtronic, Speaker’s Bureau; Self; Medtronic, Stock/Shareholder; Self; MannKind Corporation. S. Huang: None. V. Chen: Employee; Self; Medtronic. G. Zhang: Employee; Self; Medtronic. S. Chattaraj: Employee; Self; Medtronic. J. Shin: Employee; Self; Medtronic. R. Vigersky: Employee; Self; Medtronic. R. L. Brazg: Research Support; Self; Abbott Diabetes, Ascensia Diabetes Care, Lexicon Pharmaceuticals, Inc., Lilly Diabetes, Medtronic, Pfizer Inc., Roche Diagnostic USA, Senseonics. T. S. Bailey: Consultant; Self; Abbott Diabetes, LifeScan, Novo Nordisk, Sanofi, Research Support; Self; Abbott, Abbott Diabetes, Biolinq, Capillary Biomedical, Inc., Dexcom, Inc., Eli Lilly and Company, Kowa Research Institute, Inc., Lexicon Pharmaceuticals, Inc., Livongo, Medtronic, Medtrum Technologies, Novo Nordisk, REMD Biotherapeutics, Sanofi, Sanvita, Viacyte, Inc., vTv Therapeutics, Zealand Pharma A/S, Speaker’s Bureau; Self; BD, Medtronic, Sanofi. Y. C. Kudva: Research Support; Self; Dexcom, Inc. S. K. Garg: Advisory Panel; Self; Eli Lilly and Company, Medtronic, Novo Nordisk Inc., Zealand Pharma A/S, Research Support; Self; Dexcom, Inc., Eli Lilly and Company, Medtronic. G. Grunberger: Research Support; Self; Medtronic, Speaker’s Bureau; Self; Abbott Diabetes, Eli Lilly and Company, Novo Nordisk. J. Thrasher: Advisory Panel; Self; Medtronic, Board Member; Self; Medtronic, Consultant; Self; Medtronic, Research Support; Self; Eli Lilly and Company, Lexicon Pharmaceuticals, Inc., Medtronic, Mylan N. V., Novo Nordisk, Sanofi, Speaker’s Bureau; Self; AstraZeneca, Janssen Pharmaceuticals, Inc., Medtronic, Sanofi. A. Cavale: Research Support; Self; Eli Lilly and Company, Medtronic. A. Bhargava: Research Support; Self; Abbott, AbbVie Inc., Amgen Inc., Boehringer Ingelheim Pharmaceuticals, Inc., Boston Therapeutics, Inc., Covance Inc., Dexcom, Inc., Eli Lilly and Company, Gan & Lee Pharmaceuticals, Insulet Corporation, Janssen Research & Development, LLC, Kowa Pharmaceuticals America, Inc., Madrigal Pharmaceuticals, Inc., Medtronic, Merck & Co., Inc., Mylan N. V., Novo Nordisk, Poxel SA, Quintiles, Sanofi, Senseonics, Tolerion, Inc., Viking Therapeutics.

100-LB: Infusion Set Survival and Performance during the Medtronic Extended-Wear Infusion Set (EWIS) Pivotal Trial

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100-LB: Infusion Set Survival and Performance during the Medtronic Extended-Wear Infusion Set (EWIS) Pivotal Trial