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A Phase III Study of BMS-512148 (Dapagliflozin) in Patients With Type 2 Diabetes Who Are Not Well Controlled on Metformin Alone

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.
 
ClinicalTrials.gov Identifier: NCT00528879
Recruitment Status : Completed
First Posted : September 12, 2007
Results First Posted : May 2, 2014
Last Update Posted : October 20, 2015
Sponsor:
Collaborator:
Bristol-Myers Squibb
Information provided by (Responsible Party):
AstraZeneca

Brief Summary:
The purpose of this clinical research study is to learn whether dapagliflozin can help reduce blood sugar levels in participants with Type 2 diabetes that is not well controlled on metformin alone. The safety of this treatment will also be studied.

Condition or disease Intervention/treatment Phase
Type 2 Diabetes Drug: Dapagliflozin Drug: Placebo Drug: Metformin Phase 3

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 915 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double (Participant, Investigator)
Primary Purpose: Treatment
Official Title: A Multicenter, Randomized, Double-Blind, Placebo-Controlled, Parallel Group, Phase 3 Trial to Evaluate the Safety and Efficacy of Dapagliflozin in Combination With Metformin in Subjects With Type 2 Diabetes Who Have Inadequate Glycemic Control on Metformin Alone
Study Start Date : September 2007
Actual Primary Completion Date : November 2008
Actual Study Completion Date : May 2010

Resource links provided by the National Library of Medicine


Arm Intervention/treatment
Placebo Comparator: Placebo + Metformin
Participants received dapagliflozin-matching placebo once daily plus open-label metformin ≥1500 mg per day for up to 102 weeks
Drug: Placebo
Dapagliflozin-matching placebo administered as tablets orally once daily for up to 102 weeks

Drug: Metformin
Open-label metformin administered as ≥1500 mg per day for up to 102 weeks

Experimental: Dapagliflozin, 2.5 mg + Metformin
Participants received dapagliflozin, 2.5 mg, once daily plus open-label metformin ≥1500 mg per day for up to 102 weeks
Drug: Dapagliflozin
Tablets administered orally as a 2.5-, 5-, or 10-mg dose once daily for up to 102 weeks
Other Name: BMS-512148

Drug: Metformin
Open-label metformin administered as ≥1500 mg per day for up to 102 weeks

Experimental: Dapagliflozin, 5 mg + Metformin
Participants received dapagliflozin, 5 mg, once daily plus open-label metformin ≥1500 mg per day for up to 102 weeks
Drug: Dapagliflozin
Tablets administered orally as a 2.5-, 5-, or 10-mg dose once daily for up to 102 weeks
Other Name: BMS-512148

Drug: Metformin
Open-label metformin administered as ≥1500 mg per day for up to 102 weeks

Experimental: Dapagliflozin, 10 mg + Metformin
Participants received dapagliflozin, 10 mg, once daily plus open-label metformin ≥1500 mg per day for up to 102 weeks
Drug: Dapagliflozin
Tablets administered orally as a 2.5-, 5-, or 10-mg dose once daily for up to 102 weeks
Other Name: BMS-512148

Drug: Placebo
Dapagliflozin-matching placebo administered as tablets orally once daily for up to 102 weeks

Drug: Metformin
Open-label metformin administered as ≥1500 mg per day for up to 102 weeks




Primary Outcome Measures :
  1. Adjusted Mean Change From Baseline in Hemoglobin A1C (HbA1c) at Week 24 (Last Observation Carried Forward [LOCF]) [ Time Frame: From Baseline to Week 24 ]
    HbA1c was measured as percent of hemoglobin by a central laboratory. Data after rescue medication was excluded from this analysis. Baseline was defined as the last assessment prior to the start date and time of the first dose of the double-blind study medication. In cases where time of the first dose or time of the assessment was not available, baseline was defined as the last assessment on or prior to the date of the first dose of the double-blind study medication. HbA1c measurements were obtained during the qualification and lead-in periods and on Day 1 and Weeks 4, 8, 12, 16, 20, and 24 in the double-blind period.


Secondary Outcome Measures :
  1. Adjusted Mean Change From Baseline in Fasting Plasma Glucose at Week 24 (Last Observation Carried Forward [LOCF]) [ Time Frame: From Baseline to Week 24 ]
    Secondary endpoints were tested using sequential testing procedure and are presented in hierarchical order. Data after rescue medication was excluded from this analysis. Fasting plasma glucose was measured as milligrams per deciliter (mg/dL) by a central laboratory. Baseline was defined as the last assessment prior to the start date and time of the first dose of the double-blind study medication. In cases where time of the first dose or time of the assessment was not available, baseline was defined as the last assessment on or prior to the date of the first dose of the double-blind study medication.

  2. Adjusted Mean Change From Baseline in Total Body Weight at Week 24 (Last Observation Carried Forward [LOCF]) [ Time Frame: From Baseline to Week 24 ]
    Secondary endpoints were tested using sequential testing procedure and are presented in hierarchical order. Adjusted mean change from baseline in total body weight at Week 24 (or the last postbaseline measurement prior to Week 24 if no Week 24 assessment was available was determined. Data after rescue medication was excluded from this analysis. Baseline was defined as the last assessment prior to the start date and time of the first dose of the double-blind study medication. In cases where time of the first dose or time of the assessment was not available, baseline was defined as the last assessment on or prior to the date of the first dose of the double-blind study medication. Body weight measurements were obtained during the qualification and lead-in periods and on Day 1 and Weeks 1, 2, 3, 4, 6, 8, 12, 16, 20, and 24 of the double-blind period.

  3. Percentage of Participants Achieving a Therapeutic Glycemic Response (Hemoglobin A1c [HbA1C]) <7.0% at Week 24 (Last Observation Carried Forward [LOCF]) [ Time Frame: From Baseline to Week 24 ]
    Secondary endpoints were tested using sequential testing procedure and are presented in hierarchical order. Percent adjusted for baseline HbA1c. Therapeutic glycemic response is defined as HbA1c <7.0%. Data after rescue medication was excluded from this analysis. HbA1c was measured as a percent of hemoglobin.

  4. Adjusted Mean Change From Baseline in Hemoglobin A1c (HbA1c) in Participants With Baseline HbA1c ≥9.0% at Week 24 (Last Observation Carried Forward [LOCF]) [ Time Frame: From Baseline to Week 24 ]
    Secondary endpoints were tested using sequential testing procedure and are presented in hierarchical order. HbA1c was measured as percent of hemoglobin by a central laboratory. The population included those randomized participants who received treatment and had a baseline HbA1c > 9.0%. Data after rescue medication were excluded from this analysis. Baseline was defined as the last assessment prior to the start date and time of the first dose of the double-blind study medication. In cases where time of the first dose or time of the assessment was not available, baseline was defined as the last assessment on or prior to the date of the first dose of the double-blind study medication.

  5. Adjusted Mean Change From Baseline in Total Body Weight at Week 24 in Participants With Baseline Body Mass Index (BMI) ≥27 kg/m^2 (Last Observation Carried Forward [LOCF]) [ Time Frame: From Baseline to Week 24 ]
    Secondary endpoints were tested using sequential testing procedure and are presented in hierarchical order. Adjusted mean change from baseline in total body weight at Week 24 (or the last postbaseline measurement prior to Week 24 if no Week 24 assessment was available was determined.) Data after rescue medication was excluded from this analysis. Baseline was defined as the last assessment prior to the start date and time of the first dose of the double-blind study medication. In cases where time of the first dose or time of the assessment was not available, baseline was defined as the last assessment on or prior to the date of the first dose of the double-blind study medication. Body weight measurements were obtained during the qualification and lead-in Periods and on Day 1 and Weeks 1, 2, 3, 4, 6, 8, 12, 16, 20, and 24 of the double-blind period.

  6. Adjusted Mean Change From Baseline in Hemoglobin A1c (HbA1c) in Participants With Baseline Body Mass Index (BMI) ≥27 kg/m^2 at Week 24 (Last Observation Carried Forward [LOCF]) [ Time Frame: From Baseline to Week 24 ]
    Secondary endpoints were tested using sequential testing procedure and are presented in hierarchical order. Adjusted for baseline HbA1c. HbA1c was measured as percent of hemoglobin by a central laboratory. Data after rescue medication were excluded from this analysis. Baseline was defined as the last assessment prior to the start date and time of the first dose of the double-blind study medication. In cases where time of the first dose or time of the assessment was not available, baseline was defined as the last assessment on or prior to the date of the first dose of the double-blind study medication.

  7. Adjusted Mean Change From Baseline in Fasting Plasma Glucose at Week 1 (Last Observation Carried Forward [LOCF]) [ Time Frame: From Baseline to Week 1 ]
    Secondary endpoints were tested using sequential testing procedure and are presented in hierarchical order. Data after rescue medication was excluded from this analysis. Fasting plasma glucose was measured by a central laboratory. Baseline was defined as the last assessment prior to the start date and time of the first dose of the double-blind study medication. In cases where time of the first dose or time of the assessment was not available, baseline was defined as the last assessment on or prior to the date of the first dose of the double-blind study medication.

  8. Adjusted Percentage of Participants Achieving Hemoglobin A1c (HbA1C) ≤6.5% at Week 24 (Last Observation Carried Forward [LOCF]) [ Time Frame: From Baseline to Week 24 ]
    Secondary endpoints were tested using sequential testing procedure and are presented in hierarchical order. Percent adjusted for baseline HbA1c. Data after rescue medication was excluded from this analysis. HbA1c was measured as a percent of hemoglobin.


Other Outcome Measures:
  1. Number of Participants With Adverse Events (AEs), Hypoglycemia Events, Related AEs, Death as Outcome, Serious AEs (SAEs), Related SAEs, SAEs Leading to Discontinuation, AEs Leading to Discontinuation, and Hypoglycemia Events Leading to Discontinuation [ Time Frame: From Baseline to end of Long-term Period (Week 102) ]
    AE=any new unfavorable symptom, sign, or disease or worsening of a preexisting condition that may not have a causal relationship with treatment. SAE=a medical event that at any dose results in death, persistent or significant disability/incapacity, or drug dependency/abuse; is life-threatening, an important medical event, or a congenital anomaly/birth defect; or requires or prolongs hospitalization. Related=having certain, probable, possible, or missing relationship to study drug. Events captured from baseline to last dose plus 4 days for AEs and plus 30 days for SAEs during the double-blind 12-week period. Data after rescue included.

  2. Number of Participants With Laboratory Test Results Meeting the Criteria for Laboratory Abnormality [ Time Frame: Day 1 to Week 102 ]
    BUN=blood urea nitrogen; preRX=pretreatment; ULN=upper limit of normal; AST=aspartate aminotransferase; ALT=alanine aminotransferase; ALP=alkaline phosphatase. Phosphorus, inorganic (low): ages 17-65 years, ≤1.8 mg/dL; ages≥66 years, ≤2.1 mg/dL. Phosphorus, inorganic (high): ages 17-65 years, ≥5.6 mg/dL; ages≥66 years, ≥5.6 mg/dL. Phosphorus, inorganic (low) ≤1.8 mg/dL if age 17-65 or ≤2.1 mg/dL if age ≥66. Calcium, total (high): ≥1 mg/dL from ULN and ≥0.5 mg/dL from preRx value.

  3. Number of Participants With Changes in Baseline in Electrocardiogram Findings at Week 102 (Last Observation Carried Forward [LOCF]) [ Time Frame: Baseline to Week 102 ]
    12-Lead electrocardiograms (ECGs) were performed at entry into lead-in period Day -7 visit and Week 24/dnd of treatment visit (LOCF) on participants who were supine. ECGs were assessed by the investigator. Baseline was Day -7 for this parameter. Data after rescue included.The Week 102 value is the last observation, regardless of rescue prior to Week 102 if no Week 102 measurement was available.

  4. Mean Changes From Baseline in Seated Systolic Blood Pressure [ Time Frame: From Baseline to Week 102 ]
    Blood pressure values were obtained after the participant was seated quietly for 5 minutes; at least 8 hours after the last ingestion of caffeine, alcohol, or nicotine; and in the same arm (right or left) consistently through out the study. Data after rescue were also included. Baseline was defined as the last assessment prior to the start date and time of the first dose of the double-blind study medication. In cases where time of the first dose or time of the assessment was not available, baseline was defined as the last assessment on or prior to the date of the first dose of the double-blind study medication.

  5. Mean Changes From Baseline in Seated Diastolic Blood Pressure [ Time Frame: From Baseline to Week 102 ]
    Blood pressure values were obtained after the participant was seated quietly for 5 minutes; at least 8 hours after the last ingestion of caffeine, alcohol, or nicotine; and in the same arm (right or left) consistently through out the study. Data after rescue were also included. Baseline was defined as the last assessment prior to the start date and time of the first dose of the double-blind study medication. In cases where time of the first dose or time of the assessment was not available, baseline was defined as the last assessment on or prior to the date of the first dose of the double-blind study medication.

  6. Number of Participants With Orthostatic Hypotension [ Time Frame: From Baseline to Week 102 ]
    Orthostatic hypotension was defined as a decrease from supine to standing blood pressure of >20 mm Hg in systolic blood pressure or >10 mm Hg in diastolic blood pressure.



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.


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Ages Eligible for Study:   18 Years to 77 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Key Inclusion Criteria

  • Males and females, 18 to 77 years old, with type 2 diabetes and inadequate glycemic control
  • Participants who have been receiving metformin at a total daily dose ≥1500 mg per day for at least 8 weeks
  • C-peptide ≥1.0 ng/mL
  • Body mass index ≤45.0 kg/m^2
  • Serum creatinine level <1.50 mg/dL for men or <1.40 mg/dL for women.

Key Exclusion Criteria

  • Aspartate aminotransferase and/or alanine aminotransferase level >3.0 times the upper limit of normal
  • Serum total bilirubin level >2 mg/dL
  • Creatinine kinase level >3 times upper limit of normal
  • Symptoms of severely uncontrolled diabetes
  • Serum creatinine level ≥1.50 mg/dL for men or ≥1.40 mg/dL for women
  • Currently unstable or serious cardiovascular, renal, hepatic, hematologic, oncologic, endocrine, psychiatric, or rheumatic diseases

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): NCT00528879


Locations
Show Show 75 study locations
Sponsors and Collaborators
AstraZeneca
Bristol-Myers Squibb
Investigators
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Study Director: Bristol-Myers Squibb Bristol-Myers Squibb
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):

Layout table for additonal information
Responsible Party: AstraZeneca
ClinicalTrials.gov Identifier: NCT00528879    
Other Study ID Numbers: MB102-014 LT
MB102-014 ( Other Identifier: Other Study ID Numbers: )
First Posted: September 12, 2007    Key Record Dates
Results First Posted: May 2, 2014
Last Update Posted: October 20, 2015
Last Verified: September 2015
Keywords provided by AstraZeneca:
Diabetes Mellitus, Type 2
Diabetes Mellitus
Endocrine System Diseases
Glucose Metabolism Disorders
Metabolic Diseases
Metformin
Hypoglycemic Agents
Pharmacologic Actions
Physiological Effects of Drugs
Additional relevant MeSH terms:
Layout table for MeSH terms
Diabetes Mellitus
Diabetes Mellitus, Type 2
Glucose Metabolism Disorders
Metabolic Diseases
Endocrine System Diseases
Metformin
Dapagliflozin
Hypoglycemic Agents
Physiological Effects of Drugs
Sodium-Glucose Transporter 2 Inhibitors
Molecular Mechanisms of Pharmacological Action