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In this episode of Diabetes Dialogue, hosts Diana Isaacs, PharmD, an endocrine clinical pharmacist, director of Education and Training in Diabetes Technology, and codirector of Endocrine Disorders in Pregnancy at the Cleveland Clinic, and Natalie Bellini, DNP, program director of Diabetes Technology at University Hospitals Diabetes and Metabolic Care Center speak with Laurel Messer, PhD, RN, senior director of medical affairs at Tandem Diabetes Care, about the latest advancements in Control-IQ+, the company’s next-generation automated insulin delivery (AID) technology.

With clearance received from the US Food and Drug Administration (FDA) in February 2025, Tandem announced on March 18, 2025, that the Control-IQ+ hybrid closed-loop algorithm is now available for use in adults with type 2 diabetes (T2D) aged ≥18 years alongside people with type 1 diabetes (T1D) aged ≥2 years.

Enhancements to the algorithm included a broader weight range (20–440 lbs) and insulin dosing parameters (5–200 units), representing a more inclusive algorithm. In this episode, Messer highlighted other new features in the updated algorithm, such as temp basal rate adjustments for exercise or illness and an extended bolus option of up to eight hours, which enhances flexibility in insulin management during meals.

Messer also emphasized that Control-IQ+ offers a unique advantage: the ability to fine-tune correction factors, allowing providers to tailor insulin delivery for improved glycemic control. With the AutoBolus feature, Control-IQ+ predicts and corrects hyperglycemia every hour, significantly benefiting individuals who struggle with consistent mealtime bolusing.