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A Study to Evaluate the Effect of ASP1941 in Adult Patients With Type 2 Diabetes Mellitus

This study has been completed.
Information provided by (Responsible Party):
Astellas Pharma Inc Identifier:
First received: February 18, 2010
Last updated: June 5, 2015
Last verified: June 2015
Evaluate the efficacy, safety, and tolerability of multiple doses of ASP1941 compared to placebo over 12 weeks of therapy in adult patients with type 2 diabetes mellitus.

Condition Intervention Phase
Diabetes Mellitus, Type 2
Drug: ASP1941
Drug: Metformin
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: A Phase 2, Double-Blind, Randomized, Placebo and Active-Controlled Dose-Finding Study to Assess the Efficacy, Safety and Tolerability of Multiple Oral Doses of ASP1941 in Subjects With Type 2 Diabetes Mellitus

Resource links provided by NLM:

Further study details as provided by Astellas Pharma Inc:

Primary Outcome Measures:
  • Mean change from baseline in Hemoglobin A1c (HbA1c) [ Time Frame: 12 weeks ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Mean change from baseline in fasting plasma glucose (FPG) [ Time Frame: 12 weeks ] [ Designated as safety issue: No ]
  • Proportion of subjects achieving target goal of HbA1c <7.0% [ Time Frame: 12 weeks ] [ Designated as safety issue: No ]
  • Proportion of subjects achieving target goal of HbA1c <6.5% [ Time Frame: 12 weeks ] [ Designated as safety issue: No ]

Enrollment: 412
Study Start Date: March 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
Active Comparator: Metformin Drug: Metformin
oral tablet
Placebo Comparator: Placebo Drug: Placebo
oral tablet


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Genders Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Subject has been diagnosed with type 2 diabetes
  • Subject has a HbA1c value between 6.8 and 9.5%
  • Subject has never, is not currently taking anti-diabetic medication OR is receiving a single anti- diabetic agent or low-doses two anti-diabetic medications and is willing to discontinue them during the study
  • Subject is on a stable diet and exercise program
  • Female subject is not pregnant and agrees to use an acceptable form of contraception throughout the duration of the study

Exclusion Criteria:

  • Subject has type 1 diabetes mellitus
  • Subject is using insulin therapy
  • Subject has a serum creatinine higher than upper limit of normal
  • Subject has an ALT and/or AST value higher than 3 times upper limit of normal or a total bilirubin value more than 2 times upper limit of normal
  • Subject has persistent, uncontrolled severe hypertension as indicated by a systolic blood pressure >180 mmHg or a diastolic blood pressure of >110mmHg
  • Subject has had significant cardiovascular disease such as myocardial infarction or a vascular intervention (e.g., angioplasty or stent) in the last 3 months
  • Subject is known to have hepatitis or be a carrier of hepatitis B surface antigen, hepatitis C virus antibody or is known positive for HIV1 and/or HIV2
  • Subject has a history of lactic acidosis
  • Subject has a history of drug and alcohol abuse/dependency within last 12 months
  • Subject has had a malignancy in the last 5 years, except for successfully treated basal or squamous cell carcinoma of the skin or of the cervix
  • Subject has a symptomatic urinary tract infection or genital infection
  • Female subject is lactating
  • Subject has an unstable medical or psychiatric illness
  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: NCT01071850

  Show 59 Study Locations
Sponsors and Collaborators
Astellas Pharma Inc
Study Director: Medical Director Astellas Pharma Global Development
  More Information

Additional Information:
Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: Astellas Pharma Inc Identifier: NCT01071850     History of Changes
Other Study ID Numbers: 1941-CL-0004 
Study First Received: February 18, 2010
Last Updated: June 5, 2015
Health Authority: United States: Food and Drug Administration
Mexico: Federal Commission for Protection Against Health Risks
Colombia: INVIMA Instituto Nacional de Vigilancia de Medicamentos y Alimentos
Peru: Instituto Nacional de Salud
India: Drugs Controller General of India
Philippines: Bureau of Food and Drugs

Keywords provided by Astellas Pharma Inc:
Type 2 diabetes

Additional relevant MeSH terms:
Diabetes Mellitus
Diabetes Mellitus, Type 2
Glucose Metabolism Disorders
Metabolic Diseases
Endocrine System Diseases
Hypoglycemic Agents
Physiological Effects of Drugs processed this record on January 18, 2017