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Saxagliptin Compared to Glimepiride in Elderly Type 2 Diabetes Patients, With Inadequate Glycemic Control on Metformin (GENERATION)

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT01006603
First Posted: November 3, 2009
Last Update Posted: November 28, 2013
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Collaborator:
Bristol-Myers Squibb
Information provided by (Responsible Party):
AstraZeneca
  Purpose
This study will evaluate the efficacy and tolerability of saxagliptin compared to glimepiride in elderly patients with type 2 diabetes mellitus who have inadequate glycaemic control on metformin monotherapy.

Condition Intervention Phase
Type 2 Diabetes Mellitus Drug: Saxagliptin Drug: Glimepiride Phase 4

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double (Participant, Investigator)
Primary Purpose: Treatment
Official Title: A 52-Week, Randomised, Double Blind, Active-Controlled, Multi-Centre Phase IIIb/IV Study to Evaluate the Efficacy and Tolerability of Saxagliptin Compared to Glimepiride in Elderly Patients With Type 2 Diabetes Mellitus Who Have Inadequate Glycaemic Control on Metformin Monotherapy

Resource links provided by NLM:


Further study details as provided by AstraZeneca:

Primary Outcome Measures:
  • Proportion of Patients Reaching HbA1c <7% After 52 Weeks of Treatment Without Confirmed or Severe Hypoglycaemia. [ Time Frame: From week 0 to week 52. ]

    Defined as obtained on or before the 8th day after the last dosing day, as determined by central laboratory. Safety analysis set.

    Confirmed hypoglycaemia defined as: any event defined as either a symptomatic event with blood glucose level <3 mmol/L (<54 mg/dL) and no need for external assistance, or an asymptomatic blood glucose measurement <3 mmol/L (<54 mg/dL).

    Major (or severe) hypoglycaemia defined as: symptomatic events requiring external assistance due to severe impairment in consciousness or behaviour, with or without blood glucose level <3 mmol/L (<54 mg/dL), but with prompt recovery after glucose or glucagon administration. These events may be associated with sufficient neuroglycopenia to induce seizure or coma. Plasma glucose measurements may not be available during such an event, but neurological recovery, attributable to the restoration of plasma glucose to normal, was considered sufficient evidence that the event was induced by a low plasma glucose concentration.



Secondary Outcome Measures:
  • Proportion of Patients Having Experienced at Least One Hypoglycaemic Event (Confirmed or Severe) Over the 52-week Double-blind Treatment Period. [ Time Frame: From week 0 to week 52. ]

    Hypoglyceamic event defined as, Confirmed hypoglycaemia: any event defined as either a symptomatic event with blood glucose level <3 mmol/L (<54 mg/dL) and no need for external assistance, or an asymptomatic blood glucose measurement <3 mmol/L (<54 mg/dL).

    Major (or severe) hypoglycaemia: symptomatic events requiring external assistance due to severe impairment in consciousness or behaviour, with or without blood glucose level <3 mmol/L (<54 mg/dL), but with prompt recovery after glucose or glucagon administration. These events may be associated with sufficient neuroglycopenia to induce seizure or coma. Plasma glucose measurements may not be available during such an event, but neurological recovery, attributable to the restoration of plasma glucose to normal, was considered sufficient evidence that the event was induced by a low plasma glucose concentration. Safety analysis set.


  • Change From Baseline to Week 52 in HbA1c. [ Time Frame: From week 0 to week 52. ]
    Measured as the difference between the last on-treatment value (defined as obtained before or on the 8th day after the last dosing date), and the last pre-randomisation HbA1c value, as determined by central laboratory. Full analysis set.

  • Proportion of Patients Achieving a Therapeutic Glycaemic Response at Week 52 Defined as HbA1c <7.0% [ Time Frame: From week 0 to week 52 ]
    Proportion of patients with their last on-treatment value (defined as obtained before or on the 8th day after the last dosing date), as determined by central laboratory, below the specified limits. Full analysis set.

  • Change From Baseline to Week 52 in Fasting Plasma Glucose (FPG) [ Time Frame: From week 0 to week 52 ]
    Measured as the difference between the last on-treatment value (defined as obtained before or on the first day after the last dosing date)and the last pre-randomisation fasting plasma glucose value, as determined by central laboratory. Full analysis set.

  • Change From Baseline to Week 52 in Insulin [ Time Frame: From week 0 to week 52 ]
    Measured as the difference between the last on-treatment value (defined as obtained before or on the first day after the last dosing date) and the last pre-randomisation fasting plasma insulin value, as determined by central laboratory. Full analysis set.

  • Change From Baseline to Week 52 in β-cell Function (as Measured by Homeostasis Model Assessment-β [HOMA-β] [ Time Frame: From week 0 to week 52 ]
    β-cell function as estimated by the homeostasis model assessment (HOMA) model. Value is derived from FPG and fasting insulin; fasting insulin values below 2.074 μU/mL or above 57.595 μU/mL and FPG values below 3 mmol/L or above 25 mmol/L are excluded (as restricted by the calculation method used). Full analysis set.


Enrollment: 957
Study Start Date: October 2009
Study Completion Date: June 2012
Primary Completion Date: June 2012 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1
Saxagliptin 5 mg
Drug: Saxagliptin
5 mg, oral tablet, once daily
Other Name: Onglyza
Active Comparator: 2
Glimepiride 1 - 6 mg
Drug: Glimepiride
1, 2, 3, 4 or 6 mg, oral encapsulated tablet, once daily
Other Name: Amaryl

  Eligibility

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


Ages Eligible for Study:   65 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Provision of informed consent prior to any study specific procedures
  • Established clinical diagnosis of type 2 diabetes. Treatment with a stable metformin monotherapy, for at least 8 weeks prior to Visit 1
  • HbA1c ≥7.0% and ≤9.0%

Exclusion Criteria:

  • Type 1 diabetes, history of diabetic ketoacidosis or hyperosmolar non-ketonic coma. Current use of any injectable or oral antihyperglycemic agent excluding metformin.
  • Renal impairment as defined by a creatinine clearance <60 mL/min
  • Individuals who, in the opinion of the investigator, in which participation in this study may pose a significant risk to the patient and could render the patient unable to successfully complete the study
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01006603


  Show 131 Study Locations
Sponsors and Collaborators
AstraZeneca
Bristol-Myers Squibb
  More Information

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: AstraZeneca
ClinicalTrials.gov Identifier: NCT01006603     History of Changes
Other Study ID Numbers: D1680L00002
First Submitted: October 31, 2009
First Posted: November 3, 2009
Results First Submitted: June 12, 2013
Results First Posted: November 28, 2013
Last Update Posted: November 28, 2013
Last Verified: September 2013

Keywords provided by AstraZeneca:
Type 2 Diabetes Mellitus
elderly patients
saxagliptin
randomised
double-blind

Additional relevant MeSH terms:
Diabetes Mellitus
Diabetes Mellitus, Type 2
Glucose Metabolism Disorders
Metabolic Diseases
Endocrine System Diseases
Glimepiride
Saxagliptin
Metformin
Hypoglycemic Agents
Physiological Effects of Drugs
Anti-Arrhythmia Agents
Immunosuppressive Agents
Immunologic Factors
Incretins
Hormones
Hormones, Hormone Substitutes, and Hormone Antagonists
Dipeptidyl-Peptidase IV Inhibitors
Protease Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action


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