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Comparison of Two Basal Insulins for Patients With Type 2 Diabetes on Anti-Hyperglycemic Medications (IOPE)

The PERSISTENT Trial: A Prospective Randomized Trial Comparing Insulin Lispro Protamine Suspension to Insulin Glargine in Patients With Type 2 Diabetes on Anti-hyperglycemic Medications

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00510952
Acronym
IOPE
Enrollment
471
Registered
2007-08-03
Start date
2007-08-31
Completion date
2008-10-31
Last updated
2010-10-21

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

Conditions

Diabetes Mellitus, Type 2

Keywords

diabetes, type 2

Brief summary

The purpose of this study is to examine the effectiveness and safety of insulin lispro protamine suspension (ILPS) as compared to insulin glargine as basal insulin therapy in adults with type 2 diabetes.

Interventions

Patient adjusted dose, once daily (QD) or twice daily (BID), injected subcutaneous (SC) x 24 weeks

DRUGInsulin Glargine

Patient adjusted dose, once daily (QD), injected subcutaneous (SC) x 24 weeks

Sponsors

Eli Lilly and Company
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

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

Inclusion criteria

* Have type 2 diabetes mellitus for at least 1 year. * Are greater than or equal to 18 years old. * Have been receiving oral antihyperglycemic medications (OAMs), without insulin, for at least 3 months immediately prior to the study and have been on stable doses of at least 2 of the following OAMs for the 6 weeks prior to Visit 1: Metformin- Sulfonylureas-Dipeptidyl peptidase-IV (DPP-IV) inhibitors-Thiazolidinediones (TZDs) * Have a hemoglobin A1c (HbA1c) greater than or equal to 7.5% and less than or equal to 10.0%, as measured by a central laboratory before Visit 2. * Body mass index (BMI) greater than or equal to 25 and less than or equal to 45 kg/meter squared.

Exclusion criteria

* Have used insulin therapy (outside of pregnancy) any time in the past 2 years, except for short-term treatment of acute conditions, and up to a maximum of 4 weeks. * Have taken any glucose-lowering medications not included in Inclusion Criterion #3; (for example, acarbose, miglitol, pramlintide, exenatide, repaglinide, or nateglinide) in the past 3 months before Visit 1. * Have had more than 1 episode of severe hypoglycemia, within 6 months prior to entry into the study, or is currently diagnosed as having hypoglycemia unawareness. * Have had 2 or more emergency room visits or hospitalizations due to poor glucose control in the past 6 months. * Are pregnant or intend to become pregnant during the course of the study or are sexually active women of childbearing potential not actively practicing birth control by a method determined by the investigator to be medically acceptable.

Design outcomes

Primary

MeasureTime frame
Change From Baseline to 24 Week Endpoint in Hemoglobin A1c (HbA1c)Baseline, 24 Weeks

Secondary

MeasureTime frameDescription
Percentage of Patients With HbAlc Less Than 7.0 Percent and HbAlc Less Than or Equal to 6.5 Percent at Endpoint24 weeksPercentage of patients achieving Hemaglobin A1c (HbA1c) targets of less than 7% and less than or equal to 6.5% at endpoint.
Glycemic Variability at Endpoint24 weeksGlycemic variability was measured by standard deviation (SD) value of fasting blood glucose as measured by intra-patient glycemic variability (determined by the 7-point self-monitoring blood glucose (SMBG) profiles at endpoint) based on the actual morning pre-meal blood glucose.
7-Point Self-Monitored Blood Glucose (SMBG) Profile at Endpoint24 weeksActual measurements and daily mean blood glucose levels at endpoint.
Number of Participants With Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe Hypoglycemia) OverallBaseline to 24 weeksOverall: any time after randomization. Hypoglycemic: any time patient experienced sign/symptom associated with hypoglycemia, or had old Roche blood glucose level \<7 mg/dL. Nocturnal: any hypoglycemic event that occurred between bedtime and waking. Severe Hypoglycemia: event with symptoms consistent with neuroglycopenia in which patient requires assistance, and is associated with either a Roche blood glucose value \<2.8 millimoles/liter or prompt recovery after oral carbohydrate, glucagon, or intravenous glucose.
Actual and Change From Baseline to 12 Week and 24 Week Endpoint in HbAlc ValueBaseline, 12 Weeks, 24 Weeks
30-Day Adjusted Rates of Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe) OverallBaseline to 24 WeeksOverall: any time after randomization. Hypoglycemic: any time patient experienced sign/symptom associated with hypoglycemia, or had old Roche blood glucose level \<7 mg/dL. Nocturnal: any hypoglycemic event that occurred between bedtime and waking. Severe: event with symptoms consistent with neuroglycopenia in which patient requires assistance, and is associated with: a Roche blood glucose value \<2.8 mmol/L or prompt recovery after oral carbohydrate, glucagon, or IV glucose. 30-day adjusted rate=(total number of episodes between 2 time intervals/number of days between intervals) X 30 days.
Change in Absolute Body Weight (kg) From Baseline to 24 Week EndpointBaseline, 24 weeks
Total Daily Insulin Dose (Units) at Endpoint24 weeksInsulin dose at endpoint was analyzed by 24-hour total daily insulin (units).
Total Daily Insulin Dose Per Body Weight (Units/Kilograms) at Endpoint24 WeeksInsulin dose at endpoint was analyzed by 24-hour total daily insulin per body weight (units/kilograms).
1-Year Adjusted Rates of Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe) OverallBaseline to 24 weeksOverall: any time after randomization. Hypoglycemic: any time patient experienced sign/symptom associated with hypoglycemia, or had old Roche blood glucose level \<7 mg/dL. Nocturnal: any hypoglycemic event that occurred between bedtime and waking. Severe: event with symptoms consistent with neuroglycopenia in which patient requires assistance, and is associated with: a Roche blood glucose value \<2.8 mmol/L or prompt recovery after oral carbohydrate, glucagon, or IV glucose. 1-year adjusted rate=(total number of episodes between 2 time intervals/number of days between intervals) X 365.25 days.

Countries

Brazil, Canada, Puerto Rico, United States

Participant flow

Participants by arm

ArmCount
Lispro
Insulin Lispro protamine suspension: Patient adjusted dose, once daily (QD) or twice daily (BID), injected subcutaneous (SC) x 24 weeks
229
Glargine
Insulin glargine: Patient adjusted dose, once daily (QD), injected subcutaneous (SC) x 24 weeks
229
Total458

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAdverse Event10
Overall StudyDid Not Receive Study Drug20
Overall StudyEntry Criteria Not Met31
Overall StudyLost to Follow-up53
Overall StudyPhysician Decision11
Overall StudyProtocol Violation74
Overall StudySponsor Decision10
Overall StudyWithdrawal by Subject67

Baseline characteristics

CharacteristicLisproTotalGlargine
Age Continuous58.05 years
STANDARD_DEVIATION 9.35
57.67 years
STANDARD_DEVIATION 9.17
57.29 years
STANDARD_DEVIATION 8.99
Body Mass Index (BMI)30.69 kilograms per square meter (kg/m^2)
STANDARD_DEVIATION 5.01
31.16 kilograms per square meter (kg/m^2)
STANDARD_DEVIATION 5.27
31.62 kilograms per square meter (kg/m^2)
STANDARD_DEVIATION 5.48
Body Weight84.23 kilograms (kg)
STANDARD_DEVIATION 16.83
85.14 kilograms (kg)
STANDARD_DEVIATION 17.75
86.05 kilograms (kg)
STANDARD_DEVIATION 18.62
Duration of Diabetes9.80 years
STANDARD_DEVIATION 6.45
9.85 years
STANDARD_DEVIATION 6.47
9.90 years
STANDARD_DEVIATION 6.51
Height165.45 centimeters (cm)
STANDARD_DEVIATION 10.04
165.03 centimeters (cm)
STANDARD_DEVIATION 10.07
164.62 centimeters (cm)
STANDARD_DEVIATION 10.11
Race/Ethnicity
African
11 participants25 participants14 participants
Race/Ethnicity
Caucasian
147 participants289 participants142 participants
Race/Ethnicity
East Asian
10 participants25 participants15 participants
Race/Ethnicity
Hispanic
33 participants59 participants26 participants
Race/Ethnicity
Native American
0 participants1 participants1 participants
Race/Ethnicity
West Asian (Indian sub-continent)
28 participants59 participants31 participants
Region of Enrollment
Argentina
13 participants25 participants12 participants
Region of Enrollment
Brazil
18 participants37 participants19 participants
Region of Enrollment
Canada
20 participants40 participants20 participants
Region of Enrollment
India
27 participants58 participants31 participants
Region of Enrollment
Korea, Republic of
9 participants22 participants13 participants
Region of Enrollment
Mexico
18 participants34 participants16 participants
Region of Enrollment
Poland
52 participants102 participants50 participants
Region of Enrollment
Russian Federation
30 participants59 participants29 participants
Region of Enrollment
Spain
9 participants19 participants10 participants
Region of Enrollment
United States
33 participants62 participants29 participants
Sex: Female, Male
Female
107 Participants223 Participants116 Participants
Sex: Female, Male
Male
122 Participants235 Participants113 Participants
Sulfonylurea Group
No
38 participants77 participants39 participants
Sulfonylurea Group
Yes
191 participants381 participants190 participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
100 / 229109 / 229
serious
Total, serious adverse events
4 / 22910 / 229

Outcome results

Primary

Change From Baseline to 24 Week Endpoint in Hemoglobin A1c (HbA1c)

Time frame: Baseline, 24 Weeks

Population: Number of randomized patients who received at least one dose of study drug and had at least one post-baseline measurement. Last observation carried forward.

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
LisproChange From Baseline to 24 Week Endpoint in Hemoglobin A1c (HbA1c)Baseline8.70 percent of HbA1cStandard Error 0.06
LisproChange From Baseline to 24 Week Endpoint in Hemoglobin A1c (HbA1c)Change from Baseline-1.46 percent of HbA1cStandard Error 0.07
GlargineChange From Baseline to 24 Week Endpoint in Hemoglobin A1c (HbA1c)Baseline8.69 percent of HbA1cStandard Error 0.06
GlargineChange From Baseline to 24 Week Endpoint in Hemoglobin A1c (HbA1c)Change from Baseline-1.41 percent of HbA1cStandard Error 0.07
Comparison: Hypothesis: Basal analog insulin lispro protamine suspension, injected once or twice daily is noninferior to basal analog insulin glargine, injected once a day, with regard to glycemic control as measured by change in HbA1c from baseline to 24 week endpoint (last observation carried forward).p-value: 0.55195% CI: [-0.21, 0.11]ANCOVA
Secondary

1-Year Adjusted Rates of Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe) Overall

Overall: any time after randomization. Hypoglycemic: any time patient experienced sign/symptom associated with hypoglycemia, or had old Roche blood glucose level \<7 mg/dL. Nocturnal: any hypoglycemic event that occurred between bedtime and waking. Severe: event with symptoms consistent with neuroglycopenia in which patient requires assistance, and is associated with: a Roche blood glucose value \<2.8 mmol/L or prompt recovery after oral carbohydrate, glucagon, or IV glucose. 1-year adjusted rate=(total number of episodes between 2 time intervals/number of days between intervals) X 365.25 days.

Time frame: Baseline to 24 weeks

Population: Number of randomized patients who received at least one dose of study drug and had at least one post-baseline measurement.

ArmMeasureGroupValue (MEAN)Dispersion
Lispro1-Year Adjusted Rates of Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe) OverallHypoglycemic Rate24.16 hypoglycemic event per 1 yearStandard Deviation 28.78
Lispro1-Year Adjusted Rates of Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe) OverallNocturnal Hypoglycemic Rate6.08 hypoglycemic event per 1 yearStandard Deviation 10.62
Lispro1-Year Adjusted Rates of Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe) OverallSevere Hypoglycemic Rate0.11 hypoglycemic event per 1 yearStandard Deviation 0.58
Glargine1-Year Adjusted Rates of Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe) OverallHypoglycemic Rate22.95 hypoglycemic event per 1 yearStandard Deviation 30.87
Glargine1-Year Adjusted Rates of Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe) OverallNocturnal Hypoglycemic Rate4.08 hypoglycemic event per 1 yearStandard Deviation 9.4
Glargine1-Year Adjusted Rates of Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe) OverallSevere Hypoglycemic Rate0.02 hypoglycemic event per 1 yearStandard Deviation 0.21
p-value: 0.316ANOVA
p-value: <0.001ANOVA
p-value: 0.102ANOVA
Secondary

30-Day Adjusted Rates of Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe) Overall

Overall: any time after randomization. Hypoglycemic: any time patient experienced sign/symptom associated with hypoglycemia, or had old Roche blood glucose level \<7 mg/dL. Nocturnal: any hypoglycemic event that occurred between bedtime and waking. Severe: event with symptoms consistent with neuroglycopenia in which patient requires assistance, and is associated with: a Roche blood glucose value \<2.8 mmol/L or prompt recovery after oral carbohydrate, glucagon, or IV glucose. 30-day adjusted rate=(total number of episodes between 2 time intervals/number of days between intervals) X 30 days.

Time frame: Baseline to 24 Weeks

Population: Number of randomized patients who received at least one dose of study drug and had at least one post-baseline measurement.

ArmMeasureGroupValue (MEAN)Dispersion
Lispro30-Day Adjusted Rates of Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe) OverallHypoglycemic Rate1.98 hypoglycemic events per 30 daysStandard Deviation 2.36
Lispro30-Day Adjusted Rates of Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe) OverallNocturnal Hypoglycemic Rate0.50 hypoglycemic events per 30 daysStandard Deviation 0.87
Lispro30-Day Adjusted Rates of Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe) OverallSevere Hypoglycemic Rate0.01 hypoglycemic events per 30 daysStandard Deviation 0.05
Glargine30-Day Adjusted Rates of Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe) OverallHypoglycemic Rate1.88 hypoglycemic events per 30 daysStandard Deviation 2.54
Glargine30-Day Adjusted Rates of Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe) OverallNocturnal Hypoglycemic Rate0.34 hypoglycemic events per 30 daysStandard Deviation 0.77
Glargine30-Day Adjusted Rates of Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe) OverallSevere Hypoglycemic Rate0.00 hypoglycemic events per 30 daysStandard Deviation 0.02
Secondary

7-Point Self-Monitored Blood Glucose (SMBG) Profile at Endpoint

Actual measurements and daily mean blood glucose levels at endpoint.

Time frame: 24 weeks

Population: Number of randomized patients who received at least one dose of study drug and at least one post-baseline measurement. Last observation carried forward.

ArmMeasureGroupValue (MEAN)Dispersion
Lispro7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointActual Midday Postprandial Meal9.09 millimoles per liter (mmol/L)Standard Deviation 2.52
Lispro7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointActual 0300 Hours6.79 millimoles per liter (mmol/L)Standard Deviation 2.05
Lispro7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointActual Midday Pre-Meal6.93 millimoles per liter (mmol/L)Standard Deviation 2.11
Lispro7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointDaily Mean 7-Point SMBG7.79 millimoles per liter (mmol/L)Standard Deviation 1.82
Lispro7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointActual Evening Pre-Meal7.50 millimoles per liter (mmol/L)Standard Deviation 2.06
Lispro7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointDaily Mean Pre-Meal6.99 millimoles per liter (mmol/L)Standard Deviation 1.77
Lispro7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointActual Morning Postprandial Meal8.64 millimoles per liter (mmol/L)Standard Deviation 2.48
Lispro7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointDaily Mean Postprandial Meal8.96 millimoles per liter (mmol/L)Standard Deviation 2.25
Lispro7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointActual Evening Postprandial Meal9.19 millimoles per liter (mmol/L)Standard Deviation 2.84
Lispro7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointDaily Mean Morning+Evening Pre-Meal6.99 millimoles per liter (mmol/L)Standard Deviation 1.51
Lispro7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointActual Morning Pre-Meal6.47 millimoles per liter (mmol/L)Standard Deviation 1.4
Glargine7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointDaily Mean Morning+Evening Pre-Meal6.93 millimoles per liter (mmol/L)Standard Deviation 1.41
Glargine7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointActual Morning Pre-Meal6.33 millimoles per liter (mmol/L)Standard Deviation 1.36
Glargine7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointActual Morning Postprandial Meal9.00 millimoles per liter (mmol/L)Standard Deviation 2.55
Glargine7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointActual Midday Pre-Meal7.16 millimoles per liter (mmol/L)Standard Deviation 2.07
Glargine7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointActual Midday Postprandial Meal9.17 millimoles per liter (mmol/L)Standard Deviation 2.5
Glargine7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointActual Evening Pre-Meal7.54 millimoles per liter (mmol/L)Standard Deviation 2.02
Glargine7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointActual Evening Postprandial Meal9.29 millimoles per liter (mmol/L)Standard Deviation 2.54
Glargine7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointActual 0300 Hours7.00 millimoles per liter (mmol/L)Standard Deviation 2.21
Glargine7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointDaily Mean 7-Point SMBG7.96 millimoles per liter (mmol/L)Standard Deviation 1.74
Glargine7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointDaily Mean Pre-Meal7.04 millimoles per liter (mmol/L)Standard Deviation 1.55
Glargine7-Point Self-Monitored Blood Glucose (SMBG) Profile at EndpointDaily Mean Postprandial Meal9.18 millimoles per liter (mmol/L)Standard Deviation 2.2
p-value: 0.302ANOVA
p-value: 0.144ANOVA
p-value: 0.279ANOVA
p-value: 0.928ANOVA
p-value: 0.918ANOVA
p-value: 0.875ANOVA
p-value: 0.316ANOVA
p-value: 0.389ANOVA
p-value: 0.836ANOVA
p-value: 0.394ANOVA
p-value: 0.609ANOVA
Secondary

Actual and Change From Baseline to 12 Week and 24 Week Endpoint in HbAlc Value

Time frame: Baseline, 12 Weeks, 24 Weeks

Population: Number of randomized patients who received at least one dose of study drug and had at least one post-baseline measurement.

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
LisproActual and Change From Baseline to 12 Week and 24 Week Endpoint in HbAlc ValueWeek 12 HbA1c (n=213, n=220)7.30 percent hemoglobinStandard Error 0.07
LisproActual and Change From Baseline to 12 Week and 24 Week Endpoint in HbAlc ValueWeek 24 HbA1c (n=206, n=218)7.15 percent hemoglobinStandard Error 0.07
LisproActual and Change From Baseline to 12 Week and 24 Week Endpoint in HbAlc ValueWeek 12 Change from Baseline (n=213, n=220)-1.36 percent hemoglobinStandard Error 0.07
LisproActual and Change From Baseline to 12 Week and 24 Week Endpoint in HbAlc ValueWeek 24 Change from Baseline (n=206, n=218)-1.52 percent hemoglobinStandard Error 0.07
LisproActual and Change From Baseline to 12 Week and 24 Week Endpoint in HbAlc ValueBaseline (n= 225, n= 226)8.70 percent hemoglobinStandard Error 0.06
GlargineActual and Change From Baseline to 12 Week and 24 Week Endpoint in HbAlc ValueWeek 24 Change from Baseline (n=206, n=218)-1.43 percent hemoglobinStandard Error 0.07
GlargineActual and Change From Baseline to 12 Week and 24 Week Endpoint in HbAlc ValueBaseline (n= 225, n= 226)8.69 percent hemoglobinStandard Error 0.06
GlargineActual and Change From Baseline to 12 Week and 24 Week Endpoint in HbAlc ValueWeek 12 HbA1c (n=213, n=220)7.36 percent hemoglobinStandard Error 0.07
GlargineActual and Change From Baseline to 12 Week and 24 Week Endpoint in HbAlc ValueWeek 12 Change from Baseline (n=213, n=220)-1.30 percent hemoglobinStandard Error 0.07
GlargineActual and Change From Baseline to 12 Week and 24 Week Endpoint in HbAlc ValueWeek 24 HbA1c (n=206, n=218)7.24 percent hemoglobinStandard Error 0.07
p-value: 0.42795% CI: [-0.21, 0.09]ANCOVA
p-value: 0.42795% CI: [-0.21, 0.09]ANCOVA
p-value: 0.25495% CI: [-0.25, 0.07]ANCOVA
p-value: 0.25495% CI: [-0.25, 0.07]ANCOVA
Secondary

Change in Absolute Body Weight (kg) From Baseline to 24 Week Endpoint

Time frame: Baseline, 24 weeks

Population: Number of randomized patients who received at least one dose of study drug and had at least one post-baseline measurement.

ArmMeasureGroupValue (MEAN)Dispersion
LisproChange in Absolute Body Weight (kg) From Baseline to 24 Week EndpointBaseline84.23 kilograms (kg)Standard Deviation 16.83
LisproChange in Absolute Body Weight (kg) From Baseline to 24 Week EndpointChange from Baseline1.04 kilograms (kg)Standard Deviation 3.45
GlargineChange in Absolute Body Weight (kg) From Baseline to 24 Week EndpointBaseline86.05 kilograms (kg)Standard Deviation 18.62
GlargineChange in Absolute Body Weight (kg) From Baseline to 24 Week EndpointChange from Baseline1.07 kilograms (kg)Standard Deviation 3.25
Comparison: Hypothesis: insulin lispro protamine suspension is noninferior to glargine with regard to change in absolute body weight from baseline to endpoint.p-value: 0.97595% CI: [-0.61, 0.59]ANCOVA
Secondary

Glycemic Variability at Endpoint

Glycemic variability was measured by standard deviation (SD) value of fasting blood glucose as measured by intra-patient glycemic variability (determined by the 7-point self-monitoring blood glucose (SMBG) profiles at endpoint) based on the actual morning pre-meal blood glucose.

Time frame: 24 weeks

Population: Number of randomized patients who received at least one dose of study drug and had at least one post-baseline measurement. Last observation carried forward.

ArmMeasureValue (MEAN)Dispersion
LisproGlycemic Variability at Endpoint1.01 millimoles per liter (mmol/L)Standard Deviation 0.72
GlargineGlycemic Variability at Endpoint0.94 millimoles per liter (mmol/L)Standard Deviation 0.71
Comparison: Hypothesis: Insulin lispro protamine suspension is noninferior to glargine at actual morning pre-meal at endpoint.p-value: 0.32395% CI: [-0.06, 0.19]ANOVA
Secondary

Number of Participants With Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe Hypoglycemia) Overall

Overall: any time after randomization. Hypoglycemic: any time patient experienced sign/symptom associated with hypoglycemia, or had old Roche blood glucose level \<7 mg/dL. Nocturnal: any hypoglycemic event that occurred between bedtime and waking. Severe Hypoglycemia: event with symptoms consistent with neuroglycopenia in which patient requires assistance, and is associated with either a Roche blood glucose value \<2.8 millimoles/liter or prompt recovery after oral carbohydrate, glucagon, or intravenous glucose.

Time frame: Baseline to 24 weeks

Population: Number of randomized patients who received at least one dose of study drug and had at least one post-baseline measurement.

ArmMeasureGroupValue (NUMBER)
LisproNumber of Participants With Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe Hypoglycemia) OverallAll Hypoglycemic Episodes168 participants
LisproNumber of Participants With Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe Hypoglycemia) OverallNocturnal Hypoglycemic Episodes114 participants
LisproNumber of Participants With Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe Hypoglycemia) OverallSevere Hypoglycemic Episodes9 participants
GlargineNumber of Participants With Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe Hypoglycemia) OverallAll Hypoglycemic Episodes160 participants
GlargineNumber of Participants With Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe Hypoglycemia) OverallNocturnal Hypoglycemic Episodes87 participants
GlargineNumber of Participants With Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe Hypoglycemia) OverallSevere Hypoglycemic Episodes2 participants
p-value: 0.468Fisher Exact
p-value: 0.011Fisher Exact
p-value: 0.036Fisher Exact
Secondary

Percentage of Patients With HbAlc Less Than 7.0 Percent and HbAlc Less Than or Equal to 6.5 Percent at Endpoint

Percentage of patients achieving Hemaglobin A1c (HbA1c) targets of less than 7% and less than or equal to 6.5% at endpoint.

Time frame: 24 weeks

Population: Number of randomized patients who received at least one dose of study drug and had at least one post-baseline measurement. Last observation carried forward.

ArmMeasureGroupValue (NUMBER)
LisproPercentage of Patients With HbAlc Less Than 7.0 Percent and HbAlc Less Than or Equal to 6.5 Percent at EndpointHbA1c <7.0%43.8 percentage of participants
LisproPercentage of Patients With HbAlc Less Than 7.0 Percent and HbAlc Less Than or Equal to 6.5 Percent at EndpointHbA1c ≤6.5%24.8 percentage of participants
GlarginePercentage of Patients With HbAlc Less Than 7.0 Percent and HbAlc Less Than or Equal to 6.5 Percent at EndpointHbA1c <7.0%41.2 percentage of participants
GlarginePercentage of Patients With HbAlc Less Than 7.0 Percent and HbAlc Less Than or Equal to 6.5 Percent at EndpointHbA1c ≤6.5%21.7 percentage of participants
p-value: 0.634Fisher Exact
p-value: 0.504Fisher Exact
Secondary

Total Daily Insulin Dose Per Body Weight (Units/Kilograms) at Endpoint

Insulin dose at endpoint was analyzed by 24-hour total daily insulin per body weight (units/kilograms).

Time frame: 24 Weeks

Population: Number of randomized patients who received at least one dose of study drug and had at least one post-baseline measurement. Last observation carried forward.

ArmMeasureValue (MEAN)Dispersion
LisproTotal Daily Insulin Dose Per Body Weight (Units/Kilograms) at Endpoint0.39 Units of insulin/kilograms (U/kg)Standard Deviation 0.24
GlargineTotal Daily Insulin Dose Per Body Weight (Units/Kilograms) at Endpoint0.35 Units of insulin/kilograms (U/kg)Standard Deviation 0.2
p-value: 0.015ANCOVA
Secondary

Total Daily Insulin Dose (Units) at Endpoint

Insulin dose at endpoint was analyzed by 24-hour total daily insulin (units).

Time frame: 24 weeks

Population: Number of randomized patients who received at least one dose of study drug and had at least one post-baseline measurement. Last observation carried forward.

ArmMeasureValue (MEAN)Dispersion
LisproTotal Daily Insulin Dose (Units) at Endpoint33.28 Units of insulinStandard Deviation 21.84
GlargineTotal Daily Insulin Dose (Units) at Endpoint30.85 Units of insulinStandard Deviation 20.46
p-value: 0.031ANCOVA

Source: ClinicalTrials.gov · Data processed: Mar 9, 2026