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Phase 3 Completed N=9,651 Randomized Quadruple-blind Treatment

A Heart Disease Study of Semaglutide in Patients With Type 2 Diabetes

Source: ClinicalTrials.gov NCT03914326 ↗
Enrolled (actual)
9,651
Serious AEs
49.1%
Results posted
Sep 2025
Primary outcomePrimary: Number of Participants From Randomization to First Occurrence of a Major Adverse Cardiovascular Event (MACE), a Composite Endpoint Consisting of: Cardiovascular (CV) Death/Non-fatal Myocardial Infarction/Non-fatal Stroke — 579; 668 Participants — p=0.0028
◆ Published Evidence
Highly cited
306citations · ~306 / year
Oral Semaglutide and Cardiovascular Outcomes in High-Risk Type 2 Diabetes.
The New England journal of medicine · 2025 · Open access · Likely link

Summary

The researchers are doing this study to look whether the type 2 diabetes medicine, semaglutide, has a positive effect on heart disease. Participants will either get semaglutide tablets or placebo tablets ("dummy" medicine) - which treatment is decided by chance. Participants must take one tablet with water every morning on an empty stomach and not eat or drink anything for at least 30 minutes. The study will last for about 3.5-5 years. Participants will have up to 25 clinic visits and 1 phone call with the study doctor. Women cannot be in the study if pregnant, breast-feeding or if they plan to become pregnant during the study period.

Linked Publications (5)

  • Oral Semaglutide and Cardiovascular Outcomes in High-Risk Type 2 Diabetes.
    The New England journal of medicine · 2025 · 306 citations · Open access · Likely link
  • Oral Semaglutide and Cardiovascular Outcomes in People With Type 2 Diabetes, According to SGLT2i Use: Prespecified Analyses of the SOUL Randomized Trial.
    Circulation · 2025 · 51 citations · Open access · Likely link
  • Prevalence and Associations of Systemic Inflammation in Heart Failure Across the Spectrum of Ejection Fraction.
    JACC. Heart failure · 2026 · 7 citations · Open access · Likely link
  • Oral Semaglutide and Heart Failure Outcomes in Persons With Type 2 Diabetes: A Secondary Analysis of the SOUL Randomized Clinical Trial.
    JAMA internal medicine · 2026 · 6 citations · Open access · Likely link
  • Oral Semaglutide and Change in Cardiovascular Risk Factors in High-Risk Type 2 Diabetes: A Post Hoc Secondary Analysis of the SOUL Randomized Clinical Trial.
    JAMA cardiology · 2026 · 2 citations · Open access · Likely link

Outcome Measures

OutcomeResultp-value
PRIMARY
Number of Participants From Randomization to First Occurrence of a Major Adverse Cardiovascular Event (MACE), a Composite Endpoint Consisting of: Cardiovascular (CV) Death/Non-fatal Myocardial Infarction/Non-fatal Stroke
579; 668 0.0028 sig
SECONDARY
Number of Participants From Randomization to First Occurrence of CV Death;Renal Death;Onset of Persistent≥50% Reduction in eGFR(CKD-EPI);Onset of Persistent eGFR(CKD-EPI)<15 mL/Min/1.73m^2;Initiation of Chronic Renal Replacement Therapy
403; 435
SECONDARY
Number of Participants From Randomization to Time of Occurrence of CV Death
301; 320
SECONDARY
Number of Participants From Randomization to First Occurrence of Major Adverse Limb Events (MALE), a Composite Endpoint Consisting of: Acute Limb Ischemia Hospitalisation/Chronic Limb Ischemia Hospitalisation
71; 99
SECONDARY
Number of Participants From Randomisation to First Occurrence of an Expanded MACE Composite Endpoint Consisting of: CV Death/Non-fatal Myocardial Infarction/ Non-fatal Stroke/Coronary Revascularisation/Unstable Angina Pectoris Requiring Hospitalisation
670; 777
SECONDARY
Number of Participants From Randomisation to First Occurrence of a Composite Endpoint Consisting of : All-cause Death/ Non-fatal MI/ Non-fatal Stroke
779; 902
SECONDARY
Number of Participants From Randomisation to First Occurrence of a Composite Heart Failure Endpoint Consisting of: CV Death/Heart Failure Requiring Hospitalisation/Urgent Heart Failure Visit
405; 443
SECONDARY
Number of Participants From Randomization to First Occurrence of CKD Endpoint:Renal Death;Onset of Persistent≥50% Reduction in eGFR (CKD-EPI);Onset of Persistent eGFR(CKD-EPI)<15 mL/Min/1.73 m^2;Initiation of Chronic Renal Replacement Therapy
112; 129
SECONDARY
Number of Participants From Randomisation to Time to Occurrence of All-cause Death
528; 577
SECONDARY
Number of Participants From Randomisation to First Occurrence of Non-fatal Myocardial Infarction (MI)
191; 253
SECONDARY
Number of Participants From Randomisation to First Occurrence of Non-fatal Stroke
144; 161
SECONDARY
Number of Participants From Randomisation to First Occurrence of Heart Failure Requiring Hospitalisation or Urgent Heart Failure Visit
146; 167
SECONDARY
Number of Participants From Randomisation to First Occurrence of Coronary Revascularisation
200; 263
SECONDARY
Number of Participants From Randomisation to First Occurrence of Unstable Angina Requiring Hospitalisation
74; 80
SECONDARY
Number of Participants From Randomisation to Time to Occurrence of Renal Death
1; 7
SECONDARY
Number of Participants From Randomisation to First Occurrence of Onset of Persistent 50% or More Reduction in eGFR
71; 86
SECONDARY
Number of Participants From Randomisation to First Occurrence of Onset of Persistent eGFR (CKD-EPI) Below 15 mL/Min/1.73 m^2
23; 33
SECONDARY
Number of Participants From Randomisation to First Occurrence of Initiation of Chronic Renal Replacement Therapy (Dialysis or Kidney Transplantation)
40; 48
SECONDARY
Number of Participants From Randomisation to First Occurrence of Acute Limb Ischemia
16; 17
SECONDARY
Number of Participants From Randomisation to First Occurrence of Chronic Limb Ischemia Hospitalisation
63; 88
SECONDARY
Annual Rate of Change in eGFR (CKD-EPI) (Total eGFR Slope)
-1.67; -2.06
SECONDARY
Change From Baseline in Glycosylated Haemoglobin (HbA1c)
-0.71; -0.15
SECONDARY
Change From Baseline in Body Weight
-4.21; -1.28
SECONDARY
Number of Severe Hypoglycaemic Episodes
88; 121
SECONDARY
Number of Participants From Randomisation to First Occurrence of a Severe Hypoglycaemic Episode
76; 84

Eligibility Criteria

Inclusion Criteria

  • Male or female, age equal to or above 50 years at the time of signing informed consent
  • Diagnosed with type 2 diabetes mellitus
  • HbA1c 6.5% - 10.0% (47 - 86 mmol/mol) (both inclusive) (latest available and no more than 30 days old local laboratory assessment based on medical records or point of care measurement)
  • At least one of the below conditions (a-d):

a) Coronary heart disease defined as at least one of the following: i. Prior myocardial infarction ii. Prior coronary revascularisation procedure iii. 50% or above stenosis in coronary artery documented by cardiac catheterisation, computerized tomography coronary angiography iv. Coronary heart disease with ischaemia documented by stress test with any imaging modality b) Cerebrovascular disease defined as at least one of the following: i. Prior stroke ii. Prior carotid artery revascularisation procedure iii.50% or above stenosis in carotid artery documented by X-ray angiography, magnetic resonance angiography, computerized tomography angiography or Doppler ultrasound c) Symptomatic peripheral artery disease (PAD) defined as at least one of the following: i. Intermittent claudication with an Ankle-brachial index (ABI) below 0.85 at rest ii. Intermittent claudication with a 50% or above stenosis in peripheral artery (excluding carotid) documented by X-ray angiography, magnetic resonance angiography, computerized tomography angiography or Doppler ultrasound iii. Prior peripheral artery (excluding carotid) revascularization procedure iv. Lower extremity amputation at or above ankle due to atherosclerotic disease (excluding e.g. trauma or osteomyelitis) d) Chronic kidney disease defined as: i. eGFR below 60 mL/min/1.73 m^2 (based on medical records using latest available and no more than 6 months old assessment)

Exclusion Criteria

  • Any of the following: myocardial infarction, stroke, hospitalisation for unstable angina pectoris or transient ischaemic attack within the past 60 days prior to the day of screening
  • Planned coronary, carotid or peripheral artery revascularisation known on the day of screening
  • Heart failure presently classified as being in New York Heart Association Class IV
  • Treatment with any glucagon-like peptide-1 receptor agonist within 30 days before screening
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT03914326) and the linked publication. Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication. Informational only — not medical advice.

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