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OpenTrials
Completed

NCT Number: NCT00960661

A Trial Comparing Two Therapies: Basal Insulin/Glargine, Exenatide and Metformin Therapy (BET) or Basal Insulin/Glargine, Bolus Insulin Lispro and Metformin Therapy (BBT) in Subjects With Type 2 Diabetes

The study will compare two combination therapies: 1) Combined Basal Insulin Glargine (once a day), Exenatide (twice a day), and Metformin Therapy; or 2) Combined Basal Insulin Glargine (once a day), Bolus Insulin Lispro (three times a day), and Metformin Therapy, in subjects with Type 2 Diabetes Mellitus who have inadequate glycemic control.

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Key information

Conditions

Type 2 Diabetes Mellitus Diabetes Mellitus Diabetes Mellitus, Type 2 Endocrine System Diseases Glucose Metabolism Disorders Metabolic Diseases Nutritional and Metabolic Diseases

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

Research Site, Buenos Aires, Argentina

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Have been taking a basal insulin Glargine, at dose of ≥ 20 units/day, for at least 3 months prior to study start.
  • Have been taking basal insulin Glargine at dose of ≥ 20 units/day, in combination with 1 of the following oral antidiabetic medication (OAM) regimens, for at least 3 months prior to study start:
  • Metformin or immediate-release metformin or extended-release metformin alone at a maximum tolerated and stable dose with no less than 500 mg/day for at least 6 weeks prior to study start; or
  • Metformin or immediate-release metformin or extended-release metformin at a maximum tolerated and stable dose with no less than 500 mg/day for at least 6 weeks prior to study start and sulfonylurea at a stable dose for 6 weeks prior to study start.
  • Have an HbA1C > 7.0% and ≤ 10.0%.
  • Have a body mass index (BMI) between ≥ 25 and ≤ 45 kg/m2.

Exclusion criteria

  • Are currently taking OAM that is not described above and not allowed with concurrent use of insulin per local product label.
  • Have taken more than 1 week within 1 month prior to the study start any glucose-lowering medications not included above either alone or in combination formulations, or have used a drug for weight loss (for example, prescription drugs such as orlistat, sibutramine, phenylpropanolamine, rimonabant or similar over-the-counter medications).
  • Have taken any insulin other than Glargine within the 3 months prior to study start for more than 1 week.
  • Are receiving chronic (lasting longer than 2 weeks) systemic glucocorticoid therapy (excluding topical, intraocular, and inhaled preparations) within 4 weeks prior to the study start.
  • Are currently enrolled in, or discontinued within the last 30 days from, a clinical trial involving an off-label use of an investigational drug or device (other than the study drug/device used in this study), or concurrently enrolled in any other type of medical research judged not to be scientifically or medically compatible with this study.
  • Have previously completed or been withdrawn from this study after enrollment.

Treatment and study plan

exenatide

Drug

subcutaneous injection, 5mcg (4 weeks) followed by 10mcg (26 weeks), twice a day

Other names: Byetta

Insulin Lispro

Drug

titrated based on pre-meal glucose level; three times a day

Other names: Humalog

metformin

Drug

Insulin/ Glargine

Drug

Primary outcomes

  1. Change in Glycosylated Hemoglobin (HbA1c) From Baseline to Week 30

    Time frame: Baseline, 30 weeks

    Change in HbA1c from baseline following 30 weeks of therapy (i.e. HbA1c at week 30 minus HbA1c at baseline).

Secondary outcomes

  1. Percentage of Participants Achieving HbA1C < 7.0%

    Time frame: Week 30

    Percentage of participants achieving HbA1C < 7.0%

  2. Percent of Participants Achieving HbA1c ≤ 6.5%.

    Time frame: Week 30

    Percent of participants achieving HbA1c ≤ 6.5%.

  3. Change in Fasting Blood Glucose (FBG) From Baseline to Week 30.

    Time frame: Baseline, Week 30

    Change in fasting blood glucose (FBG) from Baseline to Week 30 using MMRM model. The model included the respective baseline outcome as covariate, treatment, country, prior use of SUs, week of visit, and treatment-by-week interaction as fixed effects and patient and error as random effects.

  4. Change in Total Cholesterol From Baseline to Week 30

    Time frame: Baseline, week 30

    Change in total cholesterol from baseline to Week 30 using ANCOVA model. The model included the respective secondary outcome as dependent variable, country, prior use of SU's and treatment groups as factors, and the respective outcomes baseline value as a covariate.

  5. Change in High Density Lipoprotein (HDL) From Baseline to Week 30

    Time frame: Baseline, week 30

    Change in High Density Lipoprotein (HDL) from baseline to Week 30 using ANCOVA model.The model included the respective secondary outcome as dependent variable, country, prior use of SU's and treatment groups as factors, and the respective outcomes baseline value as a covariate.

  6. Change in Low Density Lipoprotein (LDL) From Baseline to Week 30

    Time frame: Baseline, Week 30

    Change in Low Density Lipoprotein (LDL) from baseline to week 30 using ANCOVA model.The model included the respective secondary outcome as dependent variable, country, prior use of SU's and treatment groups as factors, and the respective outcomes baseline value as a covariate.

  7. Change in Body Weight From Baseline to Week 30.

    Time frame: baseline, week 30

    Change in body weight from baseline to Week 30 using MMRM model.The model included the respective baseline outcome as covariate, treatment, country, prior use of SUs, week of visit, and treatment-by-week interaction as fixed effects and patient and error as random effects.

  8. Change in Systolic Blood Pressure (SBP) From Baseline to Week 30

    Time frame: Baseline, Week 30

    Change in Systolic Blood Pressure (SBP) from baseline to Week 30 using MMRM model.The model included the respective baseline outcome as covariate, treatment, country, prior use of SUs, week of visit, and treatment-by-week interaction as fixed effects and patient and error as random effects.

  9. Change in Diastolic Blood Pressure (DBP) From Baseline to Week 30

    Time frame: baseline, Week 30

    Change in Diastolic Blood Pressure (DBP) from baseline to Week 30 using MMRM model.The model included the respective baseline outcome as covariate, treatment, country, prior use of SUs, week of visit, and treatment-by-week interaction as fixed effects and patient and error as random effects.

  10. Daily Insulin Glargine Dose at Baseline and at Week 30

    Time frame: Baseline, week 30

    Daily Insulin Glargine Dose at baseline and at Week 30

  11. Major Hypoglycemia Rate Per Year

    Time frame: 30 weeks

    Mean (standard deviation) of major hyperglycemia episodes experienced per year. Rates per year were calculated for each individual as the number of episodes divided by the total number of days in the study (from randomization to last visit date), then multiplied by 365.25. Major hypoglycemia was defined as any symptoms consistent with hypoglycemia resulting in loss of consciousness or seizure that shows prompt recovery in response to administration of glucagon or glucose OR documented hypoglycemia (blood glucose <3.0 mmol/L [54 mg/dL]) and requiring the assistance of another person because of severe impairment in consciousness or behavior.

  12. Minor Hypoglycemia Rate Per Year

    Time frame: 30 weeks

    Mean (standard deviation) of minor hyperglycemia episodes experienced per year. Rates per year were calculated for each individual as the number of episodes divided by the total number of days in the study (from randomization to last visit date), then multiplied by 365.25. Minor hypoglycemia was defined as any time a participant feels that he or she is experiencing a sign or symptom associated with hypoglycemia that is either self-treated by the participant or resolves on its own AND has a concurrent finger stick blood glucose <3.0 mmol/L (54 mg/dL)

Sponsors and collaborators

Lead sponsor

AstraZeneca

Industry

Collaborators

  • Eli Lilly and Company

Registry information

Official study title

A Randomized Trial Comparing Two Therapies: Basal Insulin/Glargine, Exenatide and Metformin Therapy (BET) or Basal Insulin/Glargine, Bolus Insulin Lispro and Metformin Therapy (BBT) in Subjects With Type 2 Diabetes Who Were Previously Treated by Basal Insulin Glargine With Either Metformin or Metformin and Sulfonylurea

Important dates

Study start
2009
Primary completion
2012
Study completion
2012
First posted
Aug 18, 2009
Registry last updated
Apr 7, 2015

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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