GLPwatch

A Research Study to Compare Semaglutide to Insulin Aspart, When Taken Together With Metformin and Insulin Glargine, in People With Type 2 Diabetes

NCT03689374 · Completed

Last updated 2026-05-28

This study is testing whether adding semaglutide or insulin aspart to metformin and insulin glargine helps lower blood sugar levels in adults with type 2 diabetes.

Status Completed The study has finished.
Phase Phase 3 Confirms effectiveness in a large group before approval.
Type Interventional (clinical trial)
Design Randomized, open-label (no blinding) treatment study
Participants 2,274 people
Who can join Ages 18+ · all sexes
Timeline Started 2018-10 · est. completion 2021-02
Where 210 sites · Bosnia and Herzegovina, Bulgaria, Croatia, Czechia, Estonia, Germany, Greece, Hungary, India, Latvia, Lithuania, North Macedonia, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, South Africa, Spain, Turkey (Türkiye)

What this study is testing ClinicalTrials.gov NCT03689374 ↗

Description as written by the study sponsor.

This study will compare the effect of semaglutide once weekly to insulin aspart 3 times daily as add on to metformin and insulin glargine in people with type 2 diabetes. Participants will either get insulin glargine and semaglutide or insulin glargine and insulin aspart - which treatment the participant get is decided by chance. Insulin glargine is taken once a day and semaglutide once a week. Insulin aspart is taken three times per day before a meal. All three medicines come in pre-filled pens for injection under the skin. The study will last for about 71 weeks. If participant's blood sugar gets under or over certain values participant will only participate in 14 weeks. The study doctor will inform the participant about this. The participant will have 15 clinic visits and 22 phone calls with the study doctor.

Treatments tested

Main thing measuredChange From Baseline in Glycated Haemoglobin (HbA1c)
SponsorNovo Nordisk A/S
Conditions studiedDiabetes Mellitus, Type 2
GLP-1 drugs semaglutide

Full protocol, eligibility, and contacts on ClinicalTrials.gov NCT03689374 ↗