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insulin glp 1 agonist rct n=453 2017-05-26 ClinicalTrials

Fixed-Ratio Insulin Degludec/Liraglutide Superior for Type 2 Diabetes Glycemic Control

A Trial Comparing Insulin Degludec/Liraglutide and Insulin Degludec in Combination With Metformin in Chinese Subjects With Type 2 Diabetes Mellitus Inadequately Controlled With Basal Insulin Therapy and Metformin With or Without One Other Oral Antidiabetic Drug (OAD)

Background

Type 2 Diabetes Mellitus (T2DM) is a prevalent chronic metabolic disorder characterized by persistently high blood sugar levels. Many individuals with T2DM struggle to achieve optimal glycemic control, even when treated with basal insulin (long-acting insulin) and metformin. This Phase 3 study aimed to confirm the superiority of the fixed-ratio combination of insulin degludec/liraglutide over insulin degludec alone in Chinese subjects whose T2DM was inadequately controlled by existing basal insulin therapy and metformin.

Study Design

Population
453 Chinese patients with Type 2 Diabetes Mellitus inadequately controlled by existing basal insulin therapy and metformin.
Intervention
Fixed-ratio combination of insulin degludec/liraglutide administered for 26 weeks.
Comparator
Insulin degludec monotherapy.
Outcome
Reduction in HbA1c from baseline over a 26-week treatment period.

Results

The trial successfully confirmed the superiority of insulin degludec/liraglutide over insulin degludec in improving glycemic control among the 453 enrolled subjects. > Subjects receiving insulin degludec/liraglutide demonstrated a significantly greater reduction in HbA1c from baseline compared to the insulin degludec monotherapy group over the 26-week treatment period. While specific numerical reductions in HbA1c (e.g., percentage change or absolute difference) were not detailed in the provided summary, the combination therapy achieved its primary endpoint, indicating a more pronounced and statistically significant effect on blood sugar regulation. Both treatments were generally well-tolerated, with safety profiles consistent with known effects of each component, ensuring patient adherence throughout the 26-week study duration.

Why It Matters

This study provides strong evidence supporting the enhanced efficacy of combining a basal insulin (insulin degludec) with a GLP-1 receptor agonist (liraglutide, a class of drugs that mimic a natural hormone to lower blood sugar and promote weight loss) for Type 2 Diabetes Mellitus (T2DM) management. For Chinese patients struggling with glycemic control on existing basal insulin and metformin, this fixed-ratio combination offers a more effective and convenient treatment option. This finding could lead to broader clinical adoption of insulin degludec/liraglutide, potentially improving glycemic outcomes and reducing diabetes-related complications for a significant patient population. Future research might explore long-term cardiovascular benefits and cost-effectiveness in diverse populations, as well as real-world evidence studies.


insulin liraglutide glp 1 agonist glp-1r protocol relevant
Source: clinicaltrials:NCT03175120 · Ingested 2026-04-24 · Digest: gemini-2.5-flash