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The Effect of Linagliptin (BI 1356) on 24h-glucose Control and Various Biomarkers in Type 2 Diabetic Patients

A 4-week, Randomized, Double Blind, Double Dummy, Placebo Controlled, Parallel Group Study Comparing the Influence of BI 1356 (5 mg) and Sitagliptin (100 mg) Administered Orally Once Daily on Various Biomarkers in Type 2 Diabetic Patients

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00716092
Enrollment
121
Registered
2008-07-16
Start date
2008-07-31
Completion date
Unknown
Last updated
2014-06-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Diabetes Mellitus, Type 2

Brief summary

The objective of this study is to investigate the effect of BI 1356 on 24-h glucose control and various pharmacodynamic parameters in type 2 diabetic patients with inadequate glycaemic control.

Interventions

DRUGPlacebo (linagliptin)

once daily for 28 days

DRUGSitagliptin

100 mg once daily for 28 days

once daily for 28 days

DRUGLinagliptin

5mg once daily for 28 days

Sponsors

Boehringer Ingelheim
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE

Eligibility

Sex/Gender
ALL
Age
18 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

* Male and female patients with a diagnosis of type 2 diabetes mellitus and previously treated with not more than one drug * Glycosylated haemoglobin A1 (HbA1c) 6.5 to 10.0% at Start of Run-in

Exclusion criteria

* Myocardial infarction, stroke or transient ischemic attack TIA within 6 months prior to informed consent * Impaired hepatic function * Renal insufficiency with a creatinine clearance \< 50 mL/min * Treatment with rosiglitazone, pioglitazone, glucagon like peptide 1 (GLP-1) analogues, insulin, dipeptidyl peptidase 4 (DPP-4) inhibitors or anti-obesity drugs 3 months prior to informed consent.

Design outcomes

Primary

MeasureTime frameDescription
Weighted Mean Glucose (WMG) Change From Baseline at Day 28Baseline and day 28The change from baseline reflects the day 28 WMG value minus the baseline WMG value. Means are treatment adjusted for baseline HbA1c, previous anti-diabetic medication, and baseline WMG.
GLP-1 (Glucagon Like Peptide 1) AUEC (0-2h) (Area Under Effect Curve) Change From Baseline at Day 28Baseline and day 28The change from baseline reflects the day 28 GLP-1 AUEC (0-2h) value minus the baseline GLP-1 AUEC (0-2h) value. Means are treatment adjusted for baseline HbA1c, previous anti-diabetic medication and baseline GLP-1.

Secondary

MeasureTime frameDescription
Fasting Plasma Glucose (FPG) Change From Baseline at Day 28Baseline and day 28The change from baseline reflects the day 28 FPG value minus the baseline FPG value. Means are treatment adjusted for baseline HbA1c, previous anti-diabetic medication and baseline FPG.
Plasma Glucose Area Under Effect Curve (AUEC) (0-3h) Change From Baseline at Day 28Baseline and day 28The change from baseline reflects the day 28 Glucose AUEC (0-3h) value minus the baseline Glucose AUEC (0-3h) value. Means are treatment adjusted for baseline HbA1c, previous anti-diabetic medication and baseline plasma glucose AUEC (0-3h).

Other

MeasureTime frameDescription
Exploratory Sensitivity Analysis of the WMG Change From Baseline at Day 28Baseline and day 28The change from baseline reflects the day 28 WMG value minus the baseline WMG value. Means are treatment adjusted for baseline HbA1c, previous anti-diabetic medication and baseline WMG.
Exploratory Sensitivity Analysis of GLP-1 AUEC (0-2h) Change From Baseline at Day 28Baseline and day 28The change from baseline reflects the day 28 GLP-1 AUEC (0-2h) value minus the baseline GLP-1 AUEC (0-2h) value. Means are treatment adjusted for baseline HbA1c, previous anti-diabetic medication and baseline GLP-1.
Exploratory Sensitivity Analysis of FPG Change From Baseline at Day 28Baseline and day 28The change from baseline reflects the day 28 FPG value minus the baseline FPG value. Means are treatment adjusted for baseline HbA1c, previous anti-diabetic medication and baseline FPG.
Exploratory Sensitivity Analysis of Plasma Glucose AUEC (0-3h) Change From Baseline at Day 28Baseline and day 28The change from baseline reflects the day 28 FPG value minus the baseline FPG value. Means are treatment adjusted for baseline HbA1c, previous anti-diabetic medication and baseline FPG.

Countries

Germany

Participant flow

Participants by arm

ArmCount
Placebo
Patients randomized to receive treatment with matching placebo
40
BI1356
Patients randomized to receive treatment with BI1356 5 mg
40
Sitagliptin
Patients randomized to receive treatment with Sitagliptin 100 mg
41
Total121

Withdrawals & dropouts

PeriodReasonFG000FG001FG002
Overall StudyOther incl. Lack of Efficacy210

Baseline characteristics

CharacteristicTotalBI1356SitagliptinPlacebo
Age, Continuous61.1 Years
STANDARD_DEVIATION 9.14
60.7 Years
STANDARD_DEVIATION 10.11
62.0 Years
STANDARD_DEVIATION 7.85
60.5 Years
STANDARD_DEVIATION 9.5
Body Mass Index (BMI) continuous30.8 kg/m^2
STANDARD_DEVIATION 4.29
31.4 kg/m^2
STANDARD_DEVIATION 4.48
30.7 kg/m^2
STANDARD_DEVIATION 4.56
30.3 kg/m^2
STANDARD_DEVIATION 3.83
Fasting plasma glucose (FPG) continuous166.6 mg/dL
STANDARD_DEVIATION 27.55
166.9 mg/dL
STANDARD_DEVIATION 27.65
160.3 mg/dL
STANDARD_DEVIATION 25.35
172.8 mg/dL
STANDARD_DEVIATION 28.81
Glycosylated Hemoglobin A1 (HbA1C) continuous7.32 Percent
STANDARD_DEVIATION 0.53
7.32 Percent
STANDARD_DEVIATION 0.59
7.17 Percent
STANDARD_DEVIATION 0.44
7.47 Percent
STANDARD_DEVIATION 0.53
Sex: Female, Male
Female
35 Participants15 Participants9 Participants11 Participants
Sex: Female, Male
Male
86 Participants25 Participants32 Participants29 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —
other
Total, other adverse events
5 / 405 / 406 / 41
serious
Total, serious adverse events
0 / 400 / 400 / 41

Outcome results

Primary

GLP-1 (Glucagon Like Peptide 1) AUEC (0-2h) (Area Under Effect Curve) Change From Baseline at Day 28

The change from baseline reflects the day 28 GLP-1 AUEC (0-2h) value minus the baseline GLP-1 AUEC (0-2h) value. Means are treatment adjusted for baseline HbA1c, previous anti-diabetic medication and baseline GLP-1.

Time frame: Baseline and day 28

Population: The pharmacodynamic set(PD-set) consisted of all randomised patients who were treated with at least one dose of study drug. Analysis was based upon model with only BI 1356 and Placebo groups, further restricted to patients who had a baseline and at least one ontreatment value for GLP-1. Sitagliptin results are from model containing all 3 groups.

ArmMeasureValue (MEAN)Dispersion
PlaceboGLP-1 (Glucagon Like Peptide 1) AUEC (0-2h) (Area Under Effect Curve) Change From Baseline at Day 280.4 pmol*h/LStandard Error 2.1
BI1356GLP-1 (Glucagon Like Peptide 1) AUEC (0-2h) (Area Under Effect Curve) Change From Baseline at Day 2818.5 pmol*h/LStandard Error 2.1
SitagliptinGLP-1 (Glucagon Like Peptide 1) AUEC (0-2h) (Area Under Effect Curve) Change From Baseline at Day 2815.3 pmol*h/LStandard Error 2
Comparison: BI1356 minus Placebop-value: <0.000195% CI: [12.4, 23.9]ANCOVA
Primary

Weighted Mean Glucose (WMG) Change From Baseline at Day 28

The change from baseline reflects the day 28 WMG value minus the baseline WMG value. Means are treatment adjusted for baseline HbA1c, previous anti-diabetic medication, and baseline WMG.

Time frame: Baseline and day 28

Population: The pharmacodynamic set(PD-set) consisted of all randomised patients who were treated with at least one dose of study drug. This analysis was based upon model with only BI 1356 and Placebo groups, further restricted to patients who had a baseline and at least one on-treatment value for WMG. Sitagliptin results are from model containing all 3 groups

ArmMeasureValue (MEAN)Dispersion
PlaceboWeighted Mean Glucose (WMG) Change From Baseline at Day 280.1 mg/dLStandard Error 3
BI1356Weighted Mean Glucose (WMG) Change From Baseline at Day 28-19.8 mg/dLStandard Error 2.9
SitagliptinWeighted Mean Glucose (WMG) Change From Baseline at Day 28-26.1 mg/dLStandard Error 2.8
Comparison: BI1356 minus Placebop-value: <0.000195% CI: [-28, -11.9]ANCOVA
Secondary

Fasting Plasma Glucose (FPG) Change From Baseline at Day 28

The change from baseline reflects the day 28 FPG value minus the baseline FPG value. Means are treatment adjusted for baseline HbA1c, previous anti-diabetic medication and baseline FPG.

Time frame: Baseline and day 28

Population: The pharmacodynamic set(PD-set) consisted of all randomised patients who were treated with at least one dose of study drug. This analysis was based upon model with only BI 1356 and Placebo groups, further restricted to patients who had a baseline and at least one on-treatment value for FPG. Sitagliptin results are from model containing all 3 groups

ArmMeasureValue (MEAN)Dispersion
PlaceboFasting Plasma Glucose (FPG) Change From Baseline at Day 28-0.1 mg/dLStandard Error 3.6
BI1356Fasting Plasma Glucose (FPG) Change From Baseline at Day 28-10.9 mg/dLStandard Error 3.5
SitagliptinFasting Plasma Glucose (FPG) Change From Baseline at Day 28-15.6 mg/dLStandard Error 3.1
Comparison: BI1356 minus Placebop-value: 0.028395% CI: [-20.4, -1.2]ANCOVA
Secondary

Plasma Glucose Area Under Effect Curve (AUEC) (0-3h) Change From Baseline at Day 28

The change from baseline reflects the day 28 Glucose AUEC (0-3h) value minus the baseline Glucose AUEC (0-3h) value. Means are treatment adjusted for baseline HbA1c, previous anti-diabetic medication and baseline plasma glucose AUEC (0-3h).

Time frame: Baseline and day 28

Population: The pharmacodynamic set (PD-set) consisted of all randomised patients who were treated with at least one dose of study drug. This analysis was based upon model with only BI 1356 and Placebo, further restricted to patients who had a baseline and at least one on-treatment value for Glucose AUEC(0-3h). Sitagliptin results from model with all 3 groups.

ArmMeasureValue (MEAN)Dispersion
PlaceboPlasma Glucose Area Under Effect Curve (AUEC) (0-3h) Change From Baseline at Day 288.1 mg*h/dLStandard Error 15.1
BI1356Plasma Glucose Area Under Effect Curve (AUEC) (0-3h) Change From Baseline at Day 28-98.4 mg*h/dLStandard Error 14.7
SitagliptinPlasma Glucose Area Under Effect Curve (AUEC) (0-3h) Change From Baseline at Day 28-119.1 mg*h/dLStandard Error 13.3
Comparison: BI1356 minus Placebop-value: <0.000195% CI: [-147, -66]ANCOVA
Other Pre-specified

Exploratory Sensitivity Analysis of FPG Change From Baseline at Day 28

The change from baseline reflects the day 28 FPG value minus the baseline FPG value. Means are treatment adjusted for baseline HbA1c, previous anti-diabetic medication and baseline FPG.

Time frame: Baseline and day 28

Population: This analysis was based upon the PD-set further restricted to patients who had a baseline and at least one on-treatment value for FPG.

ArmMeasureValue (MEAN)Dispersion
PlaceboExploratory Sensitivity Analysis of FPG Change From Baseline at Day 280.4 mg/dLStandard Error 3.2
BI1356Exploratory Sensitivity Analysis of FPG Change From Baseline at Day 28-10.3 mg/dLStandard Error 3.1
SitagliptinExploratory Sensitivity Analysis of FPG Change From Baseline at Day 28-15.6 mg/dLStandard Error 3.1
Comparison: BI 1356 minus Sitagliptin. This analysis comparing BI1356 to Sitagliptin was conducted as an exploratory analysis at the time of analysing the study data. The study was not powered for such a comparison.p-value: 0.228195% CI: [-3.3, 13.8]ANCOVA
Other Pre-specified

Exploratory Sensitivity Analysis of GLP-1 AUEC (0-2h) Change From Baseline at Day 28

The change from baseline reflects the day 28 GLP-1 AUEC (0-2h) value minus the baseline GLP-1 AUEC (0-2h) value. Means are treatment adjusted for baseline HbA1c, previous anti-diabetic medication and baseline GLP-1.

Time frame: Baseline and day 28

Population: This analysis was based upon the PD-set further restricted to patients who had a baseline and at least one on-treatment value for GLP-1.

ArmMeasureValue (MEAN)Dispersion
PlaceboExploratory Sensitivity Analysis of GLP-1 AUEC (0-2h) Change From Baseline at Day 28-0.1 pmol*h/LStandard Error 2
BI1356Exploratory Sensitivity Analysis of GLP-1 AUEC (0-2h) Change From Baseline at Day 2818.1 pmol*h/LStandard Error 2
SitagliptinExploratory Sensitivity Analysis of GLP-1 AUEC (0-2h) Change From Baseline at Day 2815.3 pmol*h/LStandard Error 2
Comparison: BI 1356 minus Sitagliptin. This analysis comparing BI1356 to Sitagliptin was conducted as an exploratory analysis at the time of analysing the study data. The study was not powered for such a comparison.p-value: 0.31395% CI: [-2.7, 8.2]ANCOVA
Other Pre-specified

Exploratory Sensitivity Analysis of Plasma Glucose AUEC (0-3h) Change From Baseline at Day 28

The change from baseline reflects the day 28 FPG value minus the baseline FPG value. Means are treatment adjusted for baseline HbA1c, previous anti-diabetic medication and baseline FPG.

Time frame: Baseline and day 28

Population: This analysis was based upon the PD-set further restricted to patients who had a baseline and at least one on-treatment value for Plasma Glucose AUEC (0-3h).

ArmMeasureValue (MEAN)Dispersion
PlaceboExploratory Sensitivity Analysis of Plasma Glucose AUEC (0-3h) Change From Baseline at Day 289.8 mg*h/dLStandard Error 14
BI1356Exploratory Sensitivity Analysis of Plasma Glucose AUEC (0-3h) Change From Baseline at Day 28-96.4 mg*h/dLStandard Error 13.5
SitagliptinExploratory Sensitivity Analysis of Plasma Glucose AUEC (0-3h) Change From Baseline at Day 28-119.1 mg*h/dLStandard Error 13.3
Comparison: BI 1356 minus Sitagliptin. This analysis comparing BI1356 to Sitagliptin was conducted as an exploratory analysis at the time of analysing the study data. The study was not powered for such a comparison.p-value: 0.22395% CI: [-14, 59.5]ANCOVA
Other Pre-specified

Exploratory Sensitivity Analysis of the WMG Change From Baseline at Day 28

The change from baseline reflects the day 28 WMG value minus the baseline WMG value. Means are treatment adjusted for baseline HbA1c, previous anti-diabetic medication and baseline WMG.

Time frame: Baseline and day 28

Population: This analysis was based upon the PD-set further restricted to patients who had a baseline and at least one on-treatment value for WMG.

ArmMeasureValue (MEAN)Dispersion
PlaceboExploratory Sensitivity Analysis of the WMG Change From Baseline at Day 28-0.2 mg/dLStandard Error 2.9
BI1356Exploratory Sensitivity Analysis of the WMG Change From Baseline at Day 28-20.1 mg/dLStandard Error 2.8
SitagliptinExploratory Sensitivity Analysis of the WMG Change From Baseline at Day 28-26.1 mg/dLStandard Error 2.8
Comparison: BI 1356 minus Sitagliptin. This analysis comparing BI1356 to Sitagliptin was conducted as an exploratory analysis at the time of analysing the study data. The study was not powered for such a comparison.p-value: 0.127495% CI: [-1.7, 13.8]ANCOVA

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026