← Trials/Trial dossier/NCT00318461

LEAD-2

CompletedPhase 3Results posted

To Compare the Effect of Liraglutide When Given Together With Metformin With the Effect of Metformin Given Alone and With the Effect of Glimepiride and Metformin Given Together

Liraglutide Effect and Action in Diabetes (LEAD-2): Effect on Glycaemic Control After Once Daily Administration of Liraglutide in Combination With Metformin Versus Metformin Monotherapy Versus Metformin and Glimepiride Combination Therapy in Subjects With Type 2 Diabetes

Lead sponsor

Novo Nordisk A/S

Asset

Liraglutide

Subcutaneous · GLP-1 agonist

Listed sites

190

Recruiting sites

Enrollment

1,091

actual

Study population

Type 2 diabetes

Key I/E criterion

HbA1c 7-11%

Primary endpoint

HbA1c, change

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

NCT IDNCT00318461
Org study IDNN2211-1572

Timeline

Milestones

Study first posted2006-04-26estimated
Results first posted2010-03-12estimated
Last update posted2017-03-07actual
Study start2006-05 (month precision)
Primary completion2007-05actual (month precision)
Study completion2008-11actual (month precision)

Assets

Investigational agents

Study populations

Who this study enrolls

Type 2 diabetes

Eligibility

Who can enroll

Minimum age18 Years
Maximum age80 Years
SexAll
Healthy volunteersNot accepted

Inclusion criteria

Subjects diagnosed with type 2 diabetes and treated with oral anti-diabetic drugs (OADs) for at least 3 months
HbA1c: 7.0-11.0 % (both incl.) in subjects on OAD monotherapy. 7.0-10.0 % (both incl.) in subjects on OAD combination therapy
Body Mass Index (BMI) less than or equal 40 kg/m2

Exclusion criteria

Subjects treated with insulin within the last three months
Subjects with any serious medical condition
Females of child bearing potential who are pregnant, breast-feeding or have the intention of becoming pregnant or not using adequate contraceptive methods
Subjects using any drug (except for OADs), which in the Investigator's opinion could interfere with the glucose level (e.g. systemic corticosteroids)

Endpoints (28)

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

Glycemic / diabetes
20
Weight & body composition
4
Safety / tolerability / PK
4

Weight & body composition

4 endpoints
Secondary/registry result

Change in Body Weight at Week 26

Time frame:week 0, week 26

Body weight, absolute change (kg)

change from baseline, improvement

Posted result

GroupValue (least_squares_mean), kg95% CI
Lira 0.6 + Met-1.78
Lira 1.2 + Met-2.58
Lira 1.8 + Met-2.79
Met Mono-1.51
Met + Glim0.95
Estimated treatment difference, LS Mean-1.2995% CI-2.16-0.41p0.0016ANCOVA
Estimated treatment difference, LS Mean-3.7595% CI-4.48-3.01p<0.0001ANCOVA
Estimated treatment difference, LS Mean-1.0795% CI-1.94-0.19p0.0117ANCOVA
Estimated treatment difference, LS Mean-3.5395% CI-4.27-2.79p<0.0001ANCOVA
Estimated treatment difference, LS Mean-0.2895% CI-1.150.60p0.8198ANCOVA
Estimated treatment difference, LS Mean-2.7395% CI-3.47-2.00p<0.0001ANCOVA
Secondary/registry result

Change in Body Weight at Week 104

Time frame:week 0, week 104

Body weight, absolute change (kg)

change from baseline, improvement

Posted result

GroupValue (least_squares_mean), kg95% CI
Lira 0.6 + Met-2.07
Lira 1.2 + Met-3.03
Lira 1.8 + Met-2.91
Met Mono-1.80
Met + Glim0.70
Estimated treatment difference, LS Mean-1.1195% CI-2.18-0.05p0.0378ANCOVA
Estimated treatment difference, LS Mean-3.6195% CI-4.51-2.72p<0.0001ANCOVA
Estimated treatment difference, LS Mean-1.2395% CI-2.30-0.16p0.0185ANCOVA
Estimated treatment difference, LS Mean-3.7395% CI-4.64-2.83p<0.0001ANCOVA
Estimated treatment difference, LS Mean-0.2795% CI-1.330.80p0.9069ANCOVA
Estimated treatment difference, LS Mean-2.7795% CI-3.67-1.87p<0.0001ANCOVA
Secondary/protocol endpoint

Change in Body Weight at Week 26

Time frame:week 0, week 26

Body weight, absolute change (kg)

change from baseline, improvement

Secondary/protocol endpoint

Change in Body Weight at Week 104

Time frame:week 0, week 104

Body weight, absolute change (kg)

change from baseline, improvement

Glycemic / diabetes

20 endpoints
Primary/registry result

Change in Glycosylated A1c (HbA1c) at Week 26

Time frame:week 0, week 26

HbA1c, change

change from baseline, improvement

LOINC 4548-4

Posted result

GroupValue (least_squares_mean), Percentage point of total HbA1c95% CI
Lira 0.6 + Met-0.69
Lira 1.2 + Met-0.97
Lira 1.8 + Met-1.00
Met Mono0.09
Met + Glim-0.98
Estimated treatment difference, LS Mean-1.0995% CI-1.30-0.88p<0.0001ANCOVA
Estimated treatment difference, LS Mean-0.0295% CI-0.190.15p<0.0001ANCOVA
Estimated treatment difference, LS Mean-1.0695% CI-1.27-0.85p<0.0001ANCOVA
Estimated treatment difference, LS Mean0.0195% CI-0.160.18p<0.0001ANCOVA
Estimated treatment difference, LS Mean-0.7895% CI-0.99-0.57p<0.0001ANCOVA
Estimated treatment difference, LS Mean0.2995% CI0.120.46p0.1026ANCOVA
Estimated treatment difference, LS Mean-1.0795% CI-1.28-0.86p<0.0001ANCOVA
Primary/registry result

Change in Glycosylated A1c (HbA1c) at Week 104

Time frame:week 0, week 104

HbA1c, change

change from baseline, improvement

LOINC 4548-4

Posted result

GroupValue (least_squares_mean), percentage of total haemoglobin95% CI
Lira 0.6 + Met-0.36
Lira 1.2 + Met-0.56
Lira 1.8 + Met-0.58
Met Mono0.25
Met + Glim-0.50
Estimated treatment difference, LS Mean-0.8395% CI-1.07-0.59p<0.0001ANCOVA
Estimated treatment difference, LS Mean-0.0895% CI-0.280.12p<0.0001ANCOVA
Estimated treatment difference, LS Mean-0.8195% CI-1.05-0.57p<0.0001ANCOVA
Estimated treatment difference, LS Mean-0.0795% CI-0.270.13p<0.0001ANCOVA
Estimated treatment difference, LS Mean-0.6195% CI-0.85-0.37p<0.0001ANCOVA
Estimated treatment difference, LS Mean0.1495% CI-0.060.34p0.0052ANCOVA
Estimated treatment difference, LS Mean-0.7595% CI-0.99-0.51p<0.0001ANCOVA
Primary/protocol endpoint

Change in Glycosylated A1c (HbA1c) at Week 26

Time frame:week 0, week 26

HbA1c, change

change from baseline, improvement

LOINC 4548-4

Primary/protocol endpoint

Change in Glycosylated A1c (HbA1c) at Week 104

Time frame:week 0, week 104

HbA1c, change

change from baseline, improvement

LOINC 4548-4

Secondary/registry result

Change in Fasting Plasma Glucose (FPG) at Week 26

Time frame:week 0, week 26

Fasting glucose, change

change from baseline, improvement

LOINC 1558-6

Posted result

GroupValue (least_squares_mean), mmol/L95% CI
Lira 0.6 + Met-1.13
Lira 1.2 + Met-1.63
Lira 1.8 + Met-1.68
Met Mono0.40
Met + Glim-1.31
Estimated treatment difference, LS Mean-2.0995% CI-2.68-1.50p<0.0001ANCOVA
Estimated treatment difference, LS Mean-0.3895% CI-0.870.11p0.1845ANCOVA
Estimated treatment difference, LS Mean-2.0495% CI-2.63-1.44p<0.0001ANCOVA
Estimated treatment difference, LS Mean-0.3395% CI-0.820.17p0.3047ANCOVA
Estimated treatment difference, LS Mean-1.5395% CI-2.12-0.94p<0.0001ANCOVA
Estimated treatment difference, LS Mean0.1895% CI-0.320.67p0.8079ANCOVA
Secondary/registry result

Change in Fasting Plasma Glucose (FPG) at Week 104

Time frame:week 0, week 104

Fasting glucose, change

change from baseline, improvement

LOINC 1558-6

Posted result

GroupValue (least_squares_mean), mmol/L95% CI
Lira 0.6 + Met-0.80
Lira 1.2 + Met-1.20
Lira 1.8 + Met-1.18
Met Mono0.75
Met + Glim-0.64
Estimated treatment difference, LS Mean-1.9395% CI-2.58-1.28p<0.0001ANCOVA
Estimated treatment difference, LS Mean-0.5395% CI-1.080.01p0.0542ANCOVA
Estimated treatment difference, LS Mean-1.9595% CI-2.60-1.30p<0.0001ANCOVA
Estimated treatment difference, LS Mean-0.5595% CI-1.10-0.01p0.0451ANCOVA
Estimated treatment difference, LS Mean-1.5595% CI-2.20-0.90p<0.0001ANCOVA
Estimated treatment difference, LS Mean-0.1595% CI-0.700.39p0.9006ANCOVA
Secondary/registry result

Change in Mean Prandial Increments of Plasma Glucose Based on Self-measured 7-point Plasma Glucose Profiles at Week 26

Time frame:week 0, week 26

Postprandial glucose

change from baseline, improvement

Posted result

GroupValue (least_squares_mean), mmol/l95% CI
Lira 0.6 + Met-0.23
Lira 1.2 + Met-0.40
Lira 1.8 + Met-0.56
Met Mono-0.44
Met + Glim-0.44
Estimated treatment difference, LS Mean-0.1395% CI-0.620.36p0.8871ANCOVA
Estimated treatment difference, LS Mean-0.1295% CI-0.510.27p0.8695ANCOVA
Estimated treatment difference, LS Mean0.0395% CI-0.460.52p0.9994ANCOVA
Estimated treatment difference, LS Mean0.0495% CI-0.350.43p0.9984ANCOVA
Estimated treatment difference, LS Mean0.2195% CI-0.280.70p0.6201ANCOVA
Estimated treatment difference, LS Mean0.2195% CI-0.180.60p0.4831ANCOVA
Secondary/registry result

Change in Mean Prandial Increments of Plasma Glucose Based on Self-measured 7-point Plasma Glucose Profiles at Week 104

Time frame:week 0, week 104

Postprandial glucose

change from baseline, improvement

Posted result

GroupValue (least_squares_mean), mmol/L95% CI
Lira 0.6 + Met-0.27
Lira 1.2 + Met-0.56
Lira 1.8 + Met-0.44
Met Mono-0.20
Met + Glim-0.29
Estimated treatment difference, LS Mean-0.2495% CI-0.740.26p0.5282ANCOVA
Estimated treatment difference, LS Mean-0.1595% CI-0.550.25p0.7644ANCOVA
Estimated treatment difference, LS Mean-0.3695% CI-0.860.14p0.2063ANCOVA
Estimated treatment difference, LS Mean-0.2895% CI-0.680.12p0.2678ANCOVA
Estimated treatment difference, LS Mean-0.0795% CI-0.570.43p0.9887ANCOVA
Estimated treatment difference, LS Mean0.0295% CI-0.380.42p0.9998ANCOVA
Secondary/registry result

Change in Mean Post Prandial Plasma Glucose Based on Self-measured 7-point Plasma Glucose Profiles at Week 26

Time frame:week 0, week 26

Postprandial glucose

change from baseline, improvement

Posted result

GroupValue (least_squares_mean), mmol/L95% CI
Lira 0.6 + Met-1.68
Lira 1.2 + Met-2.33
Lira 1.8 + Met-2.57
Met Mono-0.62
Met + Glim-2.46
Estimated treatment difference, LS Mean-1.9595% CI-2.60-1.30p<0.0001ANCOVA
Estimated treatment difference, LS Mean-0.1195% CI-0.620.41p0.9670ANCOVA
Estimated treatment difference, LS Mean-1.7295% CI-2.36-1.07p<0.0001ANCOVA
Estimated treatment difference, LS Mean0.1395% CI-0.390.64p0.9368ANCOVA
Estimated treatment difference, LS Mean-1.0695% CI-1.71-0.42p0.0003ANCOVA
Estimated treatment difference, LS Mean0.7895% CI0.271.29p0.0008ANCOVA
Secondary/registry result

Change in Mean Post Prandial Plasma Glucose Based on Self-measured 7-point Plasma Glucose Profiles at Week 104

Time frame:week 0, week 104

Postprandial glucose

change from baseline, improvement

Posted result

GroupValue (least_squares_mean), mmol/L95% CI
Lira 0.6 + Met-1.59
Lira 1.2 + Met-2.22
Lira 1.8 + Met-2.10
Met Mono-0.43
Met + Glim-1.80
Estimated treatment difference, LS Mean-1.6695% CI-2.37-0.96p<0.0001ANCOVA
Estimated treatment difference, LS Mean-0.3095% CI-0.860.26p0.5048ANCOVA
Estimated treatment difference, LS Mean-1.7995% CI-2.49-1.08p<0.0001ANCOVA
Estimated treatment difference, LS Mean-0.4295% CI-0.980.14p0.2005ANCOVA
Estimated treatment difference, LS Mean-1.1695% CI-1.86-0.46p0.0003ANCOVA
Estimated treatment difference, LS Mean0.2195% CI-0.350.76p0.7871ANCOVA
Secondary/registry result

Change in Beta-cell Function at Week 26

Time frame:week 0, week 26

change from baseline, improvement

Posted result

GroupValue (least_squares_mean), percentage point (%point)95% CI
Lira 0.6 + Met20.45
Lira 1.2 + Met20.33
Lira 1.8 + Met26.12
Met Mono-1.63
Met + Glim24.68
Estimated treatment difference, LS Mean27.7595% CI7.8347.67p0.0031ANCOVA
Estimated treatment difference, LS Mean1.4495% CI-15.0317.90p0.9987ANCOVA
Estimated treatment difference, LS Mean21.9695% CI2.0441.87p0.0263ANCOVA
Estimated treatment difference, LS Mean-4.3695% CI-20.9412.22p0.9227ANCOVA
Estimated treatment difference, LS Mean22.0895% CI2.1542.01p0.0253ANCOVA
Estimated treatment difference, LS Mean-4.2395% CI-20.7812.31p0.9293ANCOVA
Secondary/registry result/low confidence

Change in Beta-cell Function at Week 104

Time frame:week 0, week 104

change from baseline, improvement

Posted result

GroupValue (least_squares_mean), percentage point (%point)95% CI
Lira 0.6 + Met64.48
Lira 1.2 + Met27.30
Lira 1.8 + Met17.81
Met Mono-7.89
Met + Glim11.25
Estimated treatment difference, LS Mean25.7195% CI-69.84121.26p0.8821ANCOVA
Estimated treatment difference, LS Mean6.5695% CI-72.6685.79p0.9989ANCOVA
Estimated treatment difference, LS Mean35.2095% CI-60.33130.72p0.7292ANCOVA
Estimated treatment difference, LS Mean16.0595% CI-63.6995.79p0.9689ANCOVA
Estimated treatment difference, LS Mean72.3895% CI-23.15167.90p0.1818ANCOVA
Estimated treatment difference, LS Mean53.2395% CI-26.30132.76p0.2978ANCOVA
Secondary/protocol endpoint

Change in Fasting Plasma Glucose (FPG) at Week 26

Time frame:week 0, week 26

Fasting glucose, change

change from baseline, improvement

LOINC 1558-6

Secondary/protocol endpoint

Change in Fasting Plasma Glucose (FPG) at Week 104

Time frame:week 0, week 104

Fasting glucose, change

change from baseline, improvement

LOINC 1558-6

Secondary/protocol endpoint

Change in Mean Prandial Increments of Plasma Glucose Based on Self-measured 7-point Plasma Glucose Profiles at Week 26

Time frame:week 0, week 26

Postprandial glucose

change from baseline, improvement

Secondary/protocol endpoint

Change in Mean Prandial Increments of Plasma Glucose Based on Self-measured 7-point Plasma Glucose Profiles at Week 104

Time frame:week 0, week 104

Postprandial glucose

change from baseline, improvement

Secondary/protocol endpoint

Change in Mean Post Prandial Plasma Glucose Based on Self-measured 7-point Plasma Glucose Profiles at Week 26

Time frame:week 0, week 26

Postprandial glucose

change from baseline, improvement

Secondary/protocol endpoint

Change in Mean Post Prandial Plasma Glucose Based on Self-measured 7-point Plasma Glucose Profiles at Week 104

Time frame:week 0, week 104

Postprandial glucose

change from baseline, improvement

Secondary/protocol endpoint

Change in Beta-cell Function at Week 26

Time frame:week 0, week 26

change from baseline, improvement

Secondary/protocol endpoint

Change in Beta-cell Function at Week 104

Time frame:week 0, week 104

change from baseline, improvement

Safety / tolerability / PK

4 endpoints
Secondary/registry result

Hypoglycaemic Episodes at Week 26

Time frame:weeks 0-26

Documented hypoglycemia

event count, event

Posted result

GroupValue (number), episodes95% CI
Lira 0.6 + MetMajor0
Minor15
Symptoms only17
Lira 1.2 + MetMajor0
Minor3
Symptoms only7
Lira 1.8 + MetMajor0
Minor9
Symptoms only22
Met MonoMajor0
Minor6
Symptoms only10
Met + GlimMajor0
Minor136
Symptoms only175
Secondary/registry result

Hypoglycaemic Episodes at Week 104

Time frame:weeks 0-104

Documented hypoglycemia

event count, event

Posted result

GroupValue (number), episodes95% CI
Lira 0.6 + MetAll52
Major0
Minor23
Symptoms only29
Lira 1.2 + MetAll51
Major1
Minor26
Symptoms only24
Lira 1.8 + MetAll49
Major0
Minor22
Symptoms only27
Met MonoAll18
Major0
Minor6
Symptoms only12
Met + GlimAll524
Major0
Minor284
Symptoms only240
Secondary/protocol endpoint

Hypoglycaemic Episodes at Week 26

Time frame:weeks 0-26

Documented hypoglycemia

event count, event

Secondary/protocol endpoint

Hypoglycaemic Episodes at Week 104

Time frame:weeks 0-104

Documented hypoglycemia

event count, event

Publications (18)

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

Provenance

Sources

Trial identity, design, statusClinicalTrials.gov API v2
Snapshot dateJuly 1, 2026
Endpoint classificationDelfa endpoint taxonomy v2 (May 13, 2026)
Results tableClinicalTrials.gov results section

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.