GLP-1 Evidence

Not medical advice. A record of published research and our assessments of it. The limits

Effect of short-acting exenatide administered three times daily on markers of cardiovascular disease in type 1 diabetes: A randomized double-blind placebo-controlled trial

Design
Randomized trial · 108 participants · Mixed outcome
Match to healthy normal-weight adults aged 55–75
Population unclear[Auto] Population characteristics not extractable from abstract (age ≥18). Needs manual review.
Could weight loss explain it?
Unknown[Auto] Not addressed in abstract.
Study tier
Study tier 3[Auto] Small or short randomized trial (auto-provisional).
Assessment
Version 1 · automatic, not yet reviewed by a person · Sep 13, 2026

Study facts come from the paper. Population match, weight-loss explanation and study tier are our judgments, made against the reference group of healthy normal-weight adults aged 55–75.

[Auto, unreviewed; quoted from abstract conclusions] Exenatide added to insulin therapy in type 1 diabetes for 26 weeks resulted in body weight loss primarily from fat mass reduction, but had no effect on biomarkers of cardiovascular disease risk.

01Findings

What the study reported

Drugs
Exenatide
Route
subcutaneous
Comparator
placebo
Primary outcome
Not extracted
Effect
Not extracted
95% confidence interval
Not extracted
Follow-up
18 years
Adverse events
Not extracted
Limitations
Auto-classified from abstract only; effect estimates, adverse events and limitations not extracted. Requires manual review.

Who was studied

Age min
18
Diabetes status
type 1 diabetes
Cvd status
cardiovascular disease present in population (see abstract)
Sample size
108

Study quality details

Study design
Randomized controlled trial
Sample size
108
Randomization
yes
Blinding
double-blind
Comparator
placebo
Follow up duration
18 years
Outcome type
mixed
Replication
not assessed (auto)
Consistency with other evidence
not assessed (auto)
Population applicability
UNKNOWN
Statistical precision
CI reported: 95% confidence interval [CI] -3
Risk of bias
not assessed (auto)
Funding conflicts
yes
Peer review status
yes
02Funding

Funding and conflicts

Funding
The study was partly funded by AstraZeneca
Industry funded
Yes
Manufacturer
AstraZeneca
Sponsor role
manufacturer funded the study (sponsor role in design/analysis not stated in abstract)
Author conflicts
not available in metadata
Independent replication
unknown
Notes
Authors declare relationships with the drug's manufacturer: AstraZeneca (originally Amylin/Eli Lilly)

Funding is shown on every study and never used to score it.

04Source

The source, as retrieved

Abstract

[AIMS] To investigate the effect of adding the short-acting glucagon-like peptide 1 receptor agonist (GLP-1RA) exenatide to insulin treatment on markers of cardiovascular risk in type 1 diabetes. [MATERIALS AND METHODS] In a randomized, double-blind, parallel-group trial, 108 individuals with type 1 diabetes aged ≥18 years on multiple daily injection therapy with a body mass index >22.0 kg/m2 and glycated haemoglobin concentration of 59 to 88 mmol/mol (7.5%-10.0%) were randomized (1:1) to preprandial subcutaneous injection of 10 μg exenatide (Byetta®) or placebo three times daily over 26 weeks as add-on treatment to existing insulin therapy. Reported markers of cardiovascular risk were secondary endpoints and were analyzed in a baseline-adjusted linear mixed model in the intention-to-treat population. The primary results of this study, the MAG1C (Meal-time Administration of exenatide for Glycaemic control in type 1 diabetes Cases) trial, were previously reported. [RESULTS] Exenatide changed total fat mass by -2.6 kg (95% confidence interval [CI] -3.6; -1.6; P < 0.0001) and lean body mass by -1.1 kg (95% CI -1.9; -0.4; P = 0.01) compared with placebo, as assessed by dual-energy X-ray absorptiometry. Fat mass reductions were similar for central and peripheral fat mass. Exenatide did not change levels of interleukin-2 or -6; tumour necrosis factor-α; C-reactive protein; N-terminal prohormone of brain natriuretic peptide; or 8-oxo-7,8-dihydroguanosine (RNA oxidation marker) and 8-oxo-7,8-dihydro-2'-deoxyguanosine (DNA oxidation marker). [CONCLUSIONS] Exenatide added to insulin therapy in type 1 diabetes for 26 weeks resulted in body weight loss primarily from fat mass reduction, but had no effect on biomarkers of cardiovascular disease risk.

Where this record came from

SourceRetrievedIdentifier
pubmedSep 13, 202632543021
first ingestion