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A Study to Evaluate the Effect of ASP1941 in Combination With Metformin in Adult Patients With Type 2 Diabetes Mellitus (BALANCE)

This study has been completed.
Information provided by (Responsible Party):
Astellas Pharma Inc Identifier:
First received: May 4, 2010
Last updated: October 16, 2014
Last verified: October 2014

Evaluate the efficacy, safety and tolerability of a 12-week treatment of 4 doses of ASP1941 compared to placebo in combination with metformin in adult patients with Type 2 Diabetes Mellitus who have inadequate glycemic control on metformin alone.

Condition Intervention Phase
Type 2 Diabetes Mellitus
Drug: ASP1941
Drug: Placebo
Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Phase IIb, Double-Blind, Randomized, Multicenter, Parallel Group, Placebo-Controlled, Dose-Finding Study to Evaluate the Efficacy, Safety and Tolerability of a 12-Week Treatment With ASP1941 in Combination With Metformin in Subjects With Type 2 Diabetes Mellitus Who Have Inadequate Glycemic Control on Metformin Alone

Resource links provided by NLM:

Further study details as provided by Astellas Pharma Inc:

Primary Outcome Measures:
  • Change from baseline in HbA1c at Week 12 [ Time Frame: Baseline, 12 weeks ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Change from baseline in fasting plasma glucose (FPG) at Week 12 [ Time Frame: Baseline, 12 weeks ] [ Designated as safety issue: No ]
  • Achievement of target goal (HbA1c <7.0%) at Week 12 [ Time Frame: 12 weeks ] [ Designated as safety issue: No ]
  • Achievement of target goal (HbA1c <6.5%) at Week 12 [ Time Frame: 12 weeks ] [ Designated as safety issue: No ]

Enrollment: 343
Study Start Date: April 2010
Study Completion Date: April 2011
Primary Completion Date: April 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: ASP1941 lowest dose Drug: ASP1941
oral tablet
Experimental: ASP1941 low dose Drug: ASP1941
oral tablet
Experimental: ASP1941 high dose Drug: ASP1941
oral tablet
Experimental: ASP1941 highest dose Drug: ASP1941
oral tablet
Placebo Comparator: Placebo Drug: Placebo
oral tablet


Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Subject has been diagnosed with Diabetes Mellitus type 2 (T2DM) for at least 6 months
  • Subject has inadequate glycemic control indicated by an HbA1c level between 7.0% and 9.5% at start of the run-in period at Visit 1 AND does not meet any of the FPG discontinuation criteria
  • Subject has been on a stable dose of at least 1500 mg/day metformin monotherapy for at least 6 weeks prior to Visit 1
  • Subject is on a stable diet and exercise program (for at least 6 weeks prior to Visit 1) and is willing to remain on this program for the duration of the study
  • Subject has a body mass index (BMI) 20 - 45 kg/m2 at Visit 1
  • Female subject of childbearing potential has a negative serum pregnancy test (human chorionic gonadotropin [hCG]) at Visit 1 and agrees to use an acceptable form of contraception throughout the duration of the study OR is at least 1 year post-menopausal (defined as amenorrhea for at least 1 year) or surgically sterile. Male study subjects should be advised to use a male condom in addition to having their partner use another acceptable method during the study and for 3 months after the last dose

Exclusion Criteria:

  • Subject has any known complication of T2DM indicating a late disease state that in the investigator's opinion should preclude the subject from participation
  • Subject has type 1 diabetes mellitus
  • Subject is in need of insulin therapy or has received insulin within 3 months prior to Visit 1, with the exception of acute use of <7 days
  • Subject has a serum creatinine higher than upper limit of normal range at Visit 1
  • Subject has an alanine aminotransferase (ALT) and/or aspartate aminotransferase (AST) higher than 3 times upper limit of normal range or has a total bilirubin more than 2 times upper limit of normal at Visit 1
  • Subject has a urinary microalbumin/creatinine ratio above or equal to 300 mg/g at Visit 1
  • Subject has a symptomatic urinary tract infection (UTI) or symptomatic genital infection at Visit 1 or during the placebo run-in period, including just prior to randomization at Visit 2
  • Subject has persistent, uncontrolled severe hypertension as indicated by a systolic blood pressure >180 mmHg or a diastolic blood pressure of >110 mmHg taken in a sitting position after 5 minutes of rest on at least 2 measurements (within 30 minutes of each other) at Visit 1
  • Subject has a significant cardiovascular disease, such as myocardial infarction or a vascular intervention (e.g. angioplasty or stent) within 3 months prior to Visit 1, or history of heart failure (New York Heart Association [NYHA] Class III IV)
  • Subject is known to have hepatitis or be a carrier of hepatitis B surface antigen (HBsAg), hepatitis C virus (HCV) antibody (enzyme linked immunosorbent assay [ELISA] plus confirmatory test), or is known positive for human immunodeficiency virus (HIV) HIV-1 and/or HIV 2
  • Subject is currently receiving an excluded medication (loop-diuretics or systemic corticosteroids) or has received any other oral anti-diabetic drug except for metformin within 3 months prior to Visit 1
  • Subject has history of lactic acidosis
  • Subject has a history of drug or alcohol abuse/dependency within 12 months prior to Visit 1 as defined in the Diagnostic and Statistical Manual-IV (DSM-IV)
  • Subject has had a malignancy in the last 5 years, except for adequately treated basal or squamous cell carcinoma of the skin or carcinoma in situ of the cervix
  • Female subject who is pregnant, lactating or pre-menopausal with positive serum pregnancy test (hCG) at Visit 1 or has an intention of becoming pregnant
  • Subject has an unstable medical or psychiatric illness
  • Subject has known or suspected hypersensitivity to ASP1941 or any components of the formulations used
  • Subject has previously received ASP1941
  • Subject is concurrently participating in another drug study or has received an investigational drug within 30 days (or the limit set by national law, whichever is longer) prior to Visit 1
  • Subject has any concurrent illness which, in the opinion of the investigator, may interfere with treatment or evaluation of safety or completion of this study
  • In the investigator's judgment, the subject is unable to adhere to the treatment regimen, protocol procedures or study requirements
  Contacts and Locations
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, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01117584

  Show 45 Study Locations
Sponsors and Collaborators
Astellas Pharma Inc
Study Director: Ude Central Contact Astellas Pharma Europe B.V.
  More Information

Additional Information:
No publications provided

Responsible Party: Astellas Pharma Inc Identifier: NCT01117584     History of Changes
Other Study ID Numbers: 1941-CL-0005, 2009-013881-25
Study First Received: May 4, 2010
Last Updated: October 16, 2014
Health Authority: Hungary: National Institute of Pharmacy
Romania: National Medicines Agency
United Kingdom: Medicines and Healthcare Products Regulatory Agency
Italy: Ethics Committee
Poland: Office for Registration of Medicinal Products, Medical Devices and Biocidal Products
United States: Food and Drug Administration

Keywords provided by Astellas Pharma Inc:
Type 2 diabetes

Additional relevant MeSH terms:
Diabetes Mellitus
Diabetes Mellitus, Type 2
Endocrine System Diseases
Glucose Metabolism Disorders
Metabolic Diseases
Hypoglycemic Agents
Pharmacologic Actions
Physiological Effects of Drugs processed this record on November 20, 2014