GLP-1 Evidence

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

Cardiometabolic outcomes of once-weekly IcoSema in adults with type 2 diabetes: systematic review and meta-analysis of the COMBINE trials

Design
Meta-analysis · 1970 participants · Intermediate outcome
Match to healthy normal-weight adults aged 55–75
Different population[Auto] Synthesis of studies conducted predominantly in people with type 2 diabetes.
Could weight loss explain it?
Possibly[Auto] Participants had obesity and/or type 2 diabetes and the abstract does not separate direct drug effects from weight loss or glycaemic improvement.
Study tier
Study tier 2[Auto] Systematic review/meta-analysis of randomized trials (auto-provisional; heterogeneity and included-study quality not assessed).
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] Once-weekly IcoSema delivers meaningful improvements in weight, blood pressure, and atherogenic lipids, all key modifiable drivers of ASCVD in adults with type 2 diabetes. These surrogate benefits, combined with reduced injection burden and low risk of hypoglycemia, suggest potential for enhanced ASCVD prevention and improved long-term adherence. Results should be interpreted as hypothesis-generating only because only two trials met the inclusion criteria. Dedicated cardiovascular outcome trials are essential to validate these surrogate-marker benefits and to confirm whether they translate into a reduction in cardiovascular events.

01Findings

What the study reported

Drugs
Semaglutide
Primary outcome
Not extracted
Effect
Not extracted
95% confidence interval
Not extracted
Follow-up
Not stated
Adverse events
Not extracted
Limitations
Auto-classified from abstract only; effect estimates, adverse events and limitations not extracted. Requires manual review.

Who was studied

Diabetes status
type 2 diabetes present (all or most)
Cvd status
cardiovascular disease present in population (see abstract)
Sample size
1970

Study quality details

Study design
Meta-analysis
Sample size
1970
Randomization
n/a
Blinding
not stated
Comparator
not stated
Follow up duration
not stated
Outcome type
intermediate
Replication
not assessed (auto)
Consistency with other evidence
not assessed (auto)
Population applicability
INDIRECT
Statistical precision
CI reported: 95% CI -0
Risk of bias
not assessed (auto)
Funding conflicts
unclear
Peer review status
yes
02Funding

Funding and conflicts

Funding
not reported in abstract
Industry funded
Unclear
Manufacturer
None identified
Sponsor role
not reported in abstract
Author conflicts
Declarations. Ethics approval and consent to participate: Not applicable. Consent for publication: Not applicable. Competing interests: The authors declare no competing interests.
Independent replication
unknown

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

04Source

The source, as retrieved

Abstract

[BACKGROUND] Patients with type 2 diabetes face a high residual risk of atherosclerotic cardiovascular disease (ASCVD) despite advances in therapy. Once-weekly IcoSema, a fixed-ratio combination of basal insulin icodec and semaglutide, offers the potential to simultaneously address glycemic control, weight, and multiple cardiometabolic risk factors with a single weekly injection. [METHODS] We conducted a PRISMA-compliant systematic review and random-effects meta-analysis of randomized trials from the COMBINE program. Data from COMBINE 1 (active comparator: once-weekly insulin icodec) and COMBINE 3 (active comparator: basal-bolus insulin therapy) (N = 1,970) were pooled comparing IcoSema with insulin-based intensification strategies in patients inadequately controlled on basal insulin. COMBINE 2 was excluded because its semaglutide monotherapy comparator addresses a fundamentally different clinical question (escalation from GLP-1 RA monotherapy). The primary focus was on changes in body weight, Systolic blood pressure and HbA1c; key secondary outcomes included changes in lipid profile relevant to ASCVD risk. Certainty of evidence was assessed using GRADE. [RESULTS] IcoSema showed no statistically significant difference in HbA1c reduction compared with control (pooled MD -0.37%, 95% CI -0.95 to 0.21; P = 0.21; I²=98%) but shows highly significant body weight reduction (pooled MD -6.10 kg, 95% CI -7.21 to -5.00; P < 0.00001). It significantly lowered systolic blood pressure (MD -2.45 mmHg, 95% CI -3.52 to -1.38; P < 0.00001), total cholesterol (ETR 0.97, 95% CI 0.95-0.98; P = 0.0001), LDL-C (ETR 0.94, 95% CI 0.90-0.98; P = 0.005), triglycerides (ETR 0.94, 95% CI 0.91-0.97; P = 0.0006), and VLDL-C (ETR 0.94). An exploratory, hypothetical ASCVD risk modeling analysis based on these surrogate-marker changes is presented in the Supplementary Appendix and is intended as an illustration only. [CONCLUSIONS] Once-weekly IcoSema delivers meaningful improvements in weight, blood pressure, and atherogenic lipids, all key modifiable drivers of ASCVD in adults with type 2 diabetes. These surrogate benefits, combined with reduced injection burden and low risk of hypoglycemia, suggest potential for enhanced ASCVD prevention and improved long-term adherence. Results should be interpreted as hypothesis-generating only because only two trials met the inclusion criteria. Dedicated cardiovascular outcome trials are essential to validate these surrogate-marker benefits and to confirm whether they translate into a reduction in cardiovascular events.

Where this record came from

SourceRetrievedIdentifier
pubmedSep 13, 202642681675
first ingestion