Closed-Loop Insulin System Improves Glucose Control in Pregnant Women with Type 1 Diabetes: JAMA

Closed-Loop Insulin System Improves Glucose Control in Pregnant Women with Type 1 Diabetes

A recent study published in JAMA, known as the CIRCUIT trial, has shown that pregnant women with type 1 diabetes who used a closed-loop insulin delivery system had better glucose control compared to those receiving standard care.

The study found that women using the closed-loop system spent more time within the pregnancy-specific glucose range, with less time above or below targets, and had lower average glucose and HbA1c levels.

The randomized CIRCUIT trial has found that pregnant women with type 1 diabetes who used a closed-loop insulin delivery system spent significantly more time within the pregnancy-specific glucose range.

This research was summarized by Dr. Kamal Kant Kohli, a chest specialist and Chief Editor of Medical News at Medical Dialogues.

Author's summary: Closed-loop insulin system improves glucose control in pregnant women with type 1 diabetes.

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Medical Dialogues Medical Dialogues — 2025-10-28

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