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SUSTAIN™ 6
CompletedPhase 3Results postedTrial to Evaluate Cardiovascular and Other Long-term Outcomes With Semaglutide in Subjects With Type 2 Diabetes
A Long-term, Randomised, Double-blind, Placebo-controlled, Multinational, Multi-centre Trial to Evaluate Cardiovascular and Other Long-term Outcomes With Semaglutide in Subjects With Type 2 Diabetes (SUSTAIN™ 6 - Long-term Outcomes)
Lead sponsor
Asset
Semaglutide
Subcutaneous · GLP-1 agonist
Listed sites
253
Recruiting sites
—
Enrollment
3,297
actual
Study population
Cardiovascular disease, Type 2 diabetes
Key I/E criterion
—
Primary endpoint
•3-point MACE (Cardiovascular death, Non-fatal MI, Non-fatal stroke)
Footprint
Where this trial recruits
Site locations as reported to ClinicalTrials.gov. Site count is not enrollment count; per-site enrollment is not available from source.
Identifiers
Registered as
Timeline
Milestones
Assets
Investigational agents
Study populations
Who this study enrolls
Eligibility
Who can enroll
Eligibility criteria
Endpoints (32)
What's being measured
Protocol endpoints and posted registry outcome measures, grouped into outcome categories. Composite endpoints show their component event types. Standard codes (LOINC, SNOMED CT) are shown where available.
Coverage by outcome category
Cardiovascular outcomes
8 endpointsTime From Randomisation to First Occurrence of a MACE, Defined as Cardiovascular Death, Non-fatal Myocardial Infarction, or Non-fatal Stroke
Time frame:Time from randomisation up to end of follow-up (scheduled at week 109)
3-point MACE
time to event, event
componentsCardiovascular death, Non-fatal MI, Non-fatal stroke
Posted result
| Group | Value (number), percentage of subjects | 95% CI |
|---|---|---|
| Semaglutide | 6.6 | — |
| Placebo | 8.9 | — |
Time From Randomisation to First Occurrence of a MACE, Defined as Cardiovascular Death, Non-fatal Myocardial Infarction, or Non-fatal Stroke
Time frame:Time from randomisation up to end of follow-up (scheduled at week 109)
3-point MACE
time to event, event
componentsCardiovascular death, Non-fatal MI, Non-fatal stroke
Time From Randomisation to First Occurrence of an Expanded Composite Cardiovascular Outcome
Time frame:Time from randomisation up to end of follow-up (scheduled at week 109)
Expanded / custom MACE composite
time to event, event
components3-point MACE, Coronary revascularization, Peripheral revascularization, Unstable angina hospitalization, Heart-failure hospitalization
Posted result
| Group | Value (number), percentage of subjects | 95% CI |
|---|---|---|
| Semaglutide | 12.1 | — |
| Placebo | 16.0 | — |
Time From Randomisation to Each Individual Component of the Expanded Composite Cardiovascular Outcome
Time frame:Time from randomisation up to end of follow-up (scheduled at week 109)
Expanded / custom MACE composite
time to event, event
components3-point MACE, Coronary revascularization, Peripheral revascularization, Unstable angina hospitalization, Heart-failure hospitalization
Posted result
| Group | Value (number), percentage of subjects | 95% CI |
|---|---|---|
| SemaglutideCardiovascular death | 1.6 | — |
| Non-fatal MI | 2.5 | — |
| Non-fatal Stroke | 1.5 | — |
| Revascularisation | 2.6 | — |
| UAP requiring hospitalisation | 1.1 | — |
| Hospitalisation for heart failure | 2.7 | — |
| PlaceboCardiovascular death | 1.9 | — |
| Non-fatal MI | 3.7 | — |
| Non-fatal Stroke | 2.5 | — |
| Revascularisation | 4.2 | — |
| UAP requiring hospitalisation | 1.3 | — |
| Hospitalisation for heart failure | 2.4 | — |
Time From Randomisation to First Occurrence of All-cause Death, Non-fatal MI, or Non-fatal Stroke
Time frame:Time from randomisation up to end of follow-up (scheduled at week 109)
Expanded / custom MACE composite
time to event, event
componentsAll-cause death, Non-fatal MI, Non-fatal stroke
Posted result
| Group | Value (number), percentage of subjects | 95% CI |
|---|---|---|
| Semaglutide | 7.4 | — |
| Placebo | 9.6 | — |
Time From Randomisation to First Occurrence of an Expanded Composite Cardiovascular Outcome
Time frame:Time from randomisation up to end of follow-up (scheduled at week 109)
Expanded / custom MACE composite
time to event, event
components3-point MACE, Coronary revascularization, Peripheral revascularization, Unstable angina hospitalization, Heart-failure hospitalization
Time From Randomisation to Each Individual Component of the Expanded Composite Cardiovascular Outcome
Time frame:Time from randomisation up to end of follow-up (scheduled at week 109)
time to event, event
Time From Randomisation to First Occurrence of All-cause Death, Non-fatal MI, or Non-fatal Stroke
Time frame:Time from randomisation up to end of follow-up (scheduled at week 109)
Expanded / custom MACE composite
time to event, event
componentsAll-cause death, Non-fatal MI, Non-fatal stroke
Weight & body composition
2 endpointsChange From Baseline to Last Assessment in the Trial in Other Treatment Outcomes: Body Weight
Time frame:Week 0, up to week 104
Body weight, absolute change (kg)
change from baseline, improvement
Posted result
| Group | Value (least_squares_mean), kg | 95% CI |
|---|---|---|
| Semaglutide 0.5 mg | -3.57 | — |
| Semaglutide 1.0 mg | -4.88 | — |
| Placebo | -0.62 | — |
Analysis was done using a mixed model for repeated measurements with treatment (4 levels) and stratification (9 levels) as fixed factors and baseline value as covariate, all nested within visit.
Analysis was done using a mixed model for repeated measurements with treatment (4 levels) and stratification (9 levels) as fixed factors and baseline value as covariate, all nested within visit.
Change From Baseline to Last Assessment in the Trial in Other Treatment Outcomes: Body Weight
Time frame:Week 0, up to week 104
Body weight, absolute change (kg)
change from baseline, improvement
Glycemic / diabetes
4 endpointsChange From Baseline to Last Assessment in the Trial in Other Treatment Outcomes: Glycosylated Haemoglobin (HbA1c)
Time frame:Week 0, up to week 104
HbA1c, change
change from baseline, improvement
LOINC 4548-4
Posted result
| Group | Value (least_squares_mean), percentage of glycosylated haemoglobin | 95% CI |
|---|---|---|
| Semaglutide 0.5 mg | -1.09 | — |
| Semaglutide 1.0 mg | -1.41 | — |
| Placebo 0.5 mg | -0.44 | — |
| Placebo 1.0 mg | -0.36 | — |
Analysis was done using a mixed model for repeated measurements with treatment (4 levels) and stratification (9 levels) as fixed factors and baseline value as covariate, all nested within visit.
Analysis was done using a mixed model for repeated measurements with treatment (4 levels) and stratification (9 levels) as fixed factors and baseline value as covariate, all nested within visit.
Change From Baseline to Last Assessment in the Trial in Other Treatment Outcomes: Fasting Plasma Glucose
Time frame:Week 0, up to week 104
Fasting glucose, change
change from baseline, improvement
LOINC 1558-6
Posted result
| Group | Value (least_squares_mean), mmol/L | 95% CI |
|---|---|---|
| Semaglutide 0.5 mg | -1.75 | — |
| Semaglutide 1.0 mg | -2.11 | — |
| Placebo 0.5 mg | -1.02 | — |
| Placebo 1.0 mg | -0.88 | — |
Analysis was done using a mixed model for repeated measurements with treatment (4 levels) and stratification (9 levels) as fixed factors and baseline value as covariate, all nested within visit.
Analysis was done using a mixed model for repeated measurements with treatment (4 levels) and stratification (9 levels) as fixed factors and baseline value as covariate, all nested within visit.
Change From Baseline to Last Assessment in the Trial in Other Treatment Outcomes: Glycosylated Haemoglobin (HbA1c)
Time frame:Week 0, up to week 104
HbA1c, change
change from baseline, improvement
LOINC 4548-4
Change From Baseline to Last Assessment in the Trial in Other Treatment Outcomes: Fasting Plasma Glucose
Time frame:Week 0, up to week 104
Fasting glucose, change
change from baseline, improvement
LOINC 1558-6
Renal / kidney
2 endpointsChange From Baseline to Last Assessment in the Trial in Other Treatment Outcomes: Urinary Albumin to Creatinine Ratio
Time frame:Week 0, up to week 104
uACR, change
ratio, improvement
LOINC 9318-7
Posted result
| Group | Value (least_squares_mean), mg/g | 95% CI |
|---|---|---|
| Semaglutide 0.5 mg | 1.02 | — |
| Semaglutide 1.0 mg | 0.91 | — |
| Placebo 0.5 mg | 1.32 | — |
| Placebo 1.0 mg | 1.29 | — |
Change From Baseline to Last Assessment in the Trial in Other Treatment Outcomes: Urinary Albumin to Creatinine Ratio
Time frame:Week 0, up to week 104
uACR, change
change from baseline, improvement
LOINC 9318-7
Cardiometabolic biomarkers
8 endpointsChange From Baseline to Last Assessment in the Trial in Other Treatment Outcomes: Lipid Profile
Time frame:Week 0, up to week 104
ratio, improvement
componentsTotal cholesterol, change, HDL-C, change, LDL-C, change, Triglycerides, change
Posted result
| Group | Value (least_squares_mean), mg/dL | 95% CI |
|---|---|---|
| Semaglutide 0.5 mgTotal cholesterol (mg/dL) | 0.97 | — |
| HDL-cholesterol (mg/dL) | 0.99 | — |
| LDL-cholesterol (mg/dL) | 0.97 | — |
| Triglycerides (mg/dL) | 0.93 | — |
| Semaglutide 1.0 mgTotal cholesterol (mg/dL) | 0.97 | — |
| HDL-cholesterol (mg/dL) | 1.01 | — |
| LDL-cholesterol (mg/dL) | 0.98 | — |
| Triglycerides (mg/dL) | 0.92 | — |
| Placebo 0.5 mgTotal cholesterol (mg/dL) | 1.00 | — |
| HDL-cholesterol (mg/dL) | 0.99 | — |
| LDL-cholesterol (mg/dL) | 1.01 | — |
| Triglycerides (mg/dL) | 0.96 | — |
| Placebo 1.0 mgTotal cholesterol (mg/dL) | 0.99 | — |
| HDL-cholesterol (mg/dL) | 0.97 | — |
| LDL-cholesterol (mg/dL) | 0.99 | — |
| Triglycerides (mg/dL) | 0.98 | — |
Change From Baseline to Last Assessment in the Trial in Other Treatment Outcomes: Vital Signs
Time frame:Week 0, up to week 104
Systolic BP, change
change from baseline, improvement
LOINC 8480-6
Posted result
| Group | Value (least_squares_mean), mmHg | 95% CI |
|---|---|---|
| Semaglutide 0.5 mgDiastolic blood pressure (mmHg) | -1.37 | — |
| Systolic blood pressure (mmHg) | -3.44 | — |
| Semaglutide 1.0 mgDiastolic blood pressure (mmHg) | -1.57 | — |
| Systolic blood pressure (mmHg) | -5.37 | — |
| Placebo 0.5 mgDiastolic blood pressure (mmHg) | -1.42 | — |
| Systolic blood pressure (mmHg) | -2.17 | — |
| Placebo 1.0 mgDiastolic blood pressure (mmHg) | -1.71 | — |
| Systolic blood pressure (mmHg) | -2.78 | — |
Change From Baseline to Last Assessment in the Trial in Other Treatment Outcomes: Lipid Profile (Free Fatty Acids)
Time frame:Week 0, up to week 104
Free fatty acids, change
change from baseline, improvement
Posted result
| Group | Value (least_squares_mean), mmol/L | 95% CI |
|---|---|---|
| Semaglutide 0.5 mg | 0.95 | — |
| Semaglutide 1.0 mg | 0.91 | — |
| Placebo 0.5 mg | 0.96 | — |
| Placebo 1.0 mg | 0.99 | — |
Change From Baseline to Last Assessment in the Trial in Other Treatment Outcomes: Vital Signs (Pulse Rate)
Time frame:Week 0, up to week 104
Heart rate, change
change from baseline, improvement
Posted result
| Group | Value (least_squares_mean), beats/min | 95% CI |
|---|---|---|
| Semaglutide 0.5 mg | 2.12 | — |
| Semaglutide 1.0 mg | 2.41 | — |
| Placebo 0.5 mg | 0.09 | — |
| Placebo 1.0 mg | -0.07 | — |
Change From Baseline to Last Assessment in the Trial in Other Treatment Outcomes: Lipid Profile
Time frame:Week 0, up to week 104
ratio, improvement
componentsTotal cholesterol, change, HDL-C, change, LDL-C, change, Triglycerides, change
Change From Baseline to Last Assessment in the Trial in Other Treatment Outcomes: Vital Signs
Time frame:Week 0, up to week 104
Systolic BP, change
change from baseline, improvement
LOINC 8480-6
Change From Baseline to Last Assessment in the Trial in Other Treatment Outcomes: Lipid Profile (Free Fatty Acids)
Time frame:Week 0, up to week 104
Free fatty acids, change
ratio, improvement
Change From Baseline to Last Assessment in the Trial in Other Treatment Outcomes: Vital Signs (Pulse Rate)
Time frame:Week 0, up to week 104
Heart rate, change
change from baseline, improvement
Patient-reported / QoL
2 endpointsChange From Baseline to Last Assessment in the Trial in Other Treatment Outcomes: Patient Reported Outcome (PRO)
Time frame:Week 0, up to week 104
SF-36 total
change from baseline, improvement
Posted result
| Group | Value (least_squares_mean), Scores on a scale | 95% CI |
|---|---|---|
| Semaglutide 0.5 mgBodily pain | 0.66 | — |
| General health | 1.66 | — |
| Mental component summary | 0.0 | — |
| Mental health | 0.48 | — |
| Physical component summary | 0.76 | — |
| Physical functioning | 0.42 | — |
| Role-emotional | 0.17 | — |
| Role-physical | 0.39 | — |
| Social functioning | -0.25 | — |
| Vitality | 0.29 | — |
| Semaglutide 1.0 mgBodily pain | 1.82 | — |
| General health | 2.55 | — |
| Mental component summary | 0.86 | — |
| Mental health | 1.08 | — |
| Physical component summary | 1.74 | — |
| Physical functioning | 1.12 | — |
| Role-emotional | 0.89 | — |
| Role-physical | 1.18 | — |
| Social functioning | 0.97 | — |
| Vitality | 1.55 | — |
| Placebo 0.5 mgBodily pain | 0.16 | — |
| General health | 0.78 | — |
| Mental component summary | -0.17 | — |
| Mental health | -0.14 | — |
| Physical component summary | 0.07 | — |
| Physical functioning | -0.38 | — |
| Role-emotional | -0.36 | — |
| Role-physical | -0.33 | — |
| Social functioning | -0.20 | — |
| Vitality | -0.04 | — |
| Placebo 1.0 mgBodily pain | 0.35 | — |
| General health | 1.13 | — |
| Mental component summary | -0.11 | — |
| Mental health | -0.31 | — |
| Physical component summary | 0.35 | — |
| Physical functioning | -0.37 | — |
| Role-emotional | -0.05 | — |
| Role-physical | 0.03 | — |
| Social functioning | -0.17 | — |
| Vitality | 0.35 | — |
Change From Baseline to Last Assessment in the Trial in Other Treatment Outcomes: Patient Reported Outcome (PRO)
Time frame:Week 0, up to week 104
SF-36 total
change from baseline, improvement
Safety / tolerability / PK
6 endpointsIncidence During the Trial in Other Treatment Outcomes: Hypoglycaemic Events
Time frame:Week 0 - 109
Documented hypoglycemia
event count, event
componentsSevere hypoglycemia, Documented hypoglycemia
Posted result
| Group | Value (number), Event rate per 100 exposure years | 95% CI |
|---|---|---|
| Semaglutide 0.5 mg | 37.5 | — |
| Semaglutide 1.0 mg | 36.2 | — |
| Placebo 0.5 mg | 35.3 | — |
| Placebo 1.0 mg | 39.7 | — |
Incidence During the Trial in Other Treatment Outcomes: Adverse Events
Time frame:Weeks 0-109
Treatment-emergent AEs (any)
event count, event
Posted result
| Group | Value (number), Event rate per 100 years of exposure | 95% CI |
|---|---|---|
| Semaglutide 0.5 mg | 330.5 | — |
| Semaglutide 1.0 mg | 337.0 | — |
| Placebo 0.5 mg | 317.4 | — |
| Placebo 1.0 mg | 298.3 | — |
Occurrence During the Trial in Other Treatment Outcomes: Anti-semaglutide Antibodies
Time frame:Weeks 0-109
Immunogenicity (ADA)
threshold achievement, event
Posted result
| Group | Value (number), Percentage of subjects | 95% CI |
|---|---|---|
| Semaglutide 0.5 mg | 1.4 | — |
| Semaglutide 1.0 mg | 2.3 | — |
Incidence During the Trial in Other Treatment Outcomes: Hypoglycaemic Events
Time frame:Week 0 - 109
Documented hypoglycemia
event count, event
componentsSevere hypoglycemia, Documented hypoglycemia
Incidence During the Trial in Other Treatment Outcomes: Adverse Events
Time frame:Weeks 0-109
Treatment-emergent AEs (any)
event count, event
Occurrence During the Trial in Other Treatment Outcomes: Anti-semaglutide Antibodies
Time frame:Weeks 0-109
Immunogenicity (ADA)
threshold achievement, event
Publications (24)
Bibliography
Records linked to this trial through ClinicalTrials.gov references, PubMed NCT search, and curated study seeds. 'Canonical' marks design/result papers; others are registry references or candidates.
Registry references + supporting bibliography
- Diabetes therapy : research, treatment and education of diabetes and related disorders2026 May 9PMID42105046doi:10.1007/s13300-026-01875-3via pubmed nct search
- Diabetes, obesity & metabolism2025 Oct (month)PMID40704485doi:10.1111/dom.16621via pubmed nct search
- The Cochrane database of systematic reviews2025 Feb 18PMID39963952doi:10.1002/14651858.CD015849.pub2via clinicaltrials gov reference derived + pubmed nct search
- Diabetes therapy : research, treatment and education of diabetes and related disorders2025 Jan (month)PMID39520501doi:10.1007/s13300-024-01659-7via clinicaltrials gov reference derived + pubmed nct search
- Kidney international reports2024 Jul (month)PMID39081763doi:10.1016/j.ekir.2024.04.028via pubmed nct search
- Cardiovascular diabetology2023 Aug 24PMID37620807doi:10.1186/s12933-023-01949-7via clinicaltrials gov reference derived + pubmed nct search
- Stroke2022 Sep (month)PMID35582947doi:10.1161/STROKEAHA.121.037775via clinicaltrials gov reference derived + pubmed nct search
- Diabetes, obesity & metabolism2022 Jul (month)PMID35332654doi:10.1111/dom.14700via clinicaltrials gov reference derived + pubmed nct search
- Cardiovascular diabetology2022 Apr 28PMID35484580doi:10.1186/s12933-022-01489-6via clinicaltrials gov reference derived + pubmed nct search
- Diabetes, obesity & metabolism2021 Jul (month)PMID33606902doi:10.1111/dom.14360via clinicaltrials gov reference derived + pubmed nct search
- Diabetes, obesity & metabolism2020 Dec (month)PMID32744418doi:10.1111/dom.14160via clinicaltrials gov reference derived + pubmed nct search
- Diabetes, obesity & metabolism2020 Nov (month)PMID32643857doi:10.1111/dom.14140via clinicaltrials gov reference derived + pubmed nct search
- Cardiovascular diabetology2020 Sep 30PMID32998732doi:10.1186/s12933-020-01106-4via clinicaltrials gov reference derived + pubmed nct search
- Diabetes, obesity & metabolism2020 Sep (month)PMID32372454doi:10.1111/dom.14079via clinicaltrials gov reference derived + pubmed nct search
- Diabetes, obesity & metabolism2020 Aug (month)PMID32227613doi:10.1111/dom.14039via clinicaltrials gov reference derived + pubmed nct search
- Diabetes, obesity & metabolism2020 Mar (month)PMID31903692doi:10.1111/dom.13955via clinicaltrials gov reference derived + pubmed nct search
- The Journal of clinical endocrinology and metabolism2020 Feb 1PMID31769496doi:10.1210/clinem/dgz072via clinicaltrials gov reference derived + pubmed nct search
- Diabetes & metabolism2019 Oct (month)PMID30615985doi:10.1016/j.diabet.2018.12.001via CT.gov reference
- Diabetes, obesity & metabolism2019 Jul (month)PMID30851070doi:10.1111/dom.13698via CT.gov background + pubmed nct search
- Cardiovascular diabetology2019 Jun 6PMID31167654doi:10.1186/s12933-019-0871-8via CT.gov reference + pubmed nct search
- Diabetes therapy : research, treatment and education of diabetes and related disorders2018 Aug (month)PMID29907893doi:10.1007/s13300-018-0458-5via CT.gov reference + pubmed nct search
- The American journal of managed care2018 Apr (month)PMID29693361via clinicaltrials gov reference derived + pubmed nct search
- The New England journal of medicine2016 Nov 10PMID27633186doi:10.1056/NEJMoa1607141via CT.gov reference + pubmed nct search
Provenance
Sources
Trial facts come from public ClinicalTrials.gov records. Endpoint categories are Delfa's classification of those records, not a ClinicalTrials.gov field. All figures reflect the July 1, 2026 snapshot.