rethinkPeptides Search
Menu
Home / Research library
Study breakdown

Fixed-Ratio GLP-1/Insulin Combinations Simplify Diabetes Treatment While Improving Control

RPEP-152732026Hassanein, Mohamed; Alessa, Thamer; Hafidh, Khadija A; Alzubaidi, Lamya; Jallo, Mahir; Al Slail, Fatma; Elbadawi, Hussein; Malik, Rayaz A
evidence
The takeaway

Fixed-ratio combinations of GLP-1 RA with basal insulin simplify treatment regimens while improving glycemic control and avoiding the weight gain and hypoglycemia of insulin intensification.

One injection, two drugs

Fixed-ratio combinations deliver GLP-1 and insulin therapy in a single daily injection, simplifying treatment while improving outcomes

What the researchers found

Fixed-ratio GLP-1/insulin combinations improve glycemic control with weight neutrality or loss and less hypoglycemia vs insulin intensification, while reducing treatment complexity.

Why it matters

Treatment simplification improves adherence. Fixed-ratio combinations make GLP-1 therapy accessible to patients already on insulin.

How the study worked

Evidence-based review providing treatment simplification strategies for T2D using fixed-ratio GLP-1/insulin combinations, focused on Gulf Cooperation Council clinical practice.

What this study cannot tell us

Region-specific review. Treatment algorithms may not generalize. Cost may limit access.

How to read the evidence

Evidence-based review with treatment algorithms. Well-supported by RCT data.

When this study was published

Published in 2025.

The bigger picture

Fixed-ratio combinations represent the practical evolution of multi-target peptide therapy: combining two drugs in one injection for patient convenience.

Questions still open

  • Should fixed-ratio combos replace basal-bolus insulin?
  • Are there patients who shouldn't switch to fixed-ratio?
  • Would newer GLP-1/insulin combos with tirzepatide be superior?

Common questions

What are fixed-ratio insulin/GLP-1 combinations?
Single injections that combine basal insulin with a GLP-1 drug. They simplify treatment from multiple injections to one while avoiding insulin's weight gain and low blood sugar problems.
Who benefits most from switching?
Patients on basal insulin who need better control but want to avoid adding prandial insulin doses. The GLP-1 component provides the additional glucose lowering without the complexity.

Read the original research

Use of Fixed Ratio Combinations to Improve Glycemic Control in Individuals with Type 2 Diabetes: Experts' Opinion from the Gulf Region.

Diabetes therapy : research, treatment and education of diabetes and related disorders, 17(2), 185-200

View on PubMed ↗Publisher’s paper ↗

Citation

Hassanein, Mohamed; Alessa, Thamer; Hafidh, Khadija A; Alzubaidi, Lamya; Jallo, Mahir; Al Slail, Fatma; Elbadawi, Hussein; Malik, Rayaz A. (2026). Use of Fixed Ratio Combinations to Improve Glycemic Control in Individuals with Type 2 Diabetes: Experts' Opinion from the Gulf Region.. Diabetes therapy : research, treatment and education of diabetes and related disorders, 17(2), 185-200. https://doi.org/10.1007/s13300-025-01824-6