- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02068443
Comparative Study to Evaluate Efficacy and Safety When Metformin Hydrochloride 500 mg Once Daily is Added on to SYR-322 25 mg in Type 2 Diabetic Patients With Inadequate Glycemic Control Despite Treatment With SYR-322 25 mg in Addition to Diet and Exercise Therapy
A Phase 3 Multicenter, Randomized, Double-blind, Parallel-group, Comparative Study When Metformin Hydrochloride 500 mg is Added on to SYR-322 25 mg in Type 2 Diabetic Patients
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The drugs being tested in this study are called alogliptin and metformin hydrochloride. Alogliptin in combination with metformin hydrochloride was being tested to treat people who have Type 2 diabetes mellitus (T2DM) with inadequate glycemic control despite treatment with alogliptin in addition to diet and exercise. This study looked at the efficacy and safety of alogliptin 25 mg once daily (QD) + metformin hydrochloride 500 mg QD compared to alogliptin 25 mg QD + metformin hydrochloride 250 mg twice daily (BID) and alogliptin 25 mg QD administered alone.
The study enrolled 374 patients. Participants were randomly assigned (by chance, like flipping a coin) to one of the three treatment groups-which remained undisclosed to the patient and study doctor during the study (unless there was an urgent medical need):
- Alogliptin 25 mg QD + metformin hydrochloride 500 mg QD
- Alogliptin 25 mg QD + metformin hydrochloride 250 mg BID
- Alogliptin 25 mg QD
This multi-center trial was conducted in Japan. The overall time to participate in this study was 36 weeks (12-week screening period and 24-week treatment period). Participants made multiple visits to the clinic including a final visit 24 weeks after the start of study medication.
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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Aichi
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Nagoya-shi, Aichi, Japan
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Chiba
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Chiba-shi, Chiba, Japan
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Fukuoka
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Fukuoka-shi, Fukuoka, Japan
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Kitakyushu-shi, Fukuoka, Japan
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Kurume-shi, Fukuoka, Japan
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Hiroshima
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Aki-gun, Hiroshima, Japan
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Hiroshima-shi, Hiroshima, Japan
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Ibaraki
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Koga-shi, Ibaraki, Japan
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Mito-shi, Ibaraki, Japan
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Tushiura-shi, Ibaraki, Japan
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Ushiku-shi, Ibaraki, Japan
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Ishikawa
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Kanazawa-shi, Ishikawa, Japan
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Kagawa
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Takamatsu-chi, Kagawa, Japan
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Miyagi
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Sendai-shi, Miyagi, Japan
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Ohita
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Ohita-shi, Ohita, Japan
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Okinawa
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Okinawa-shi, Okinawa, Japan
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Shimajiri-gun, Okinawa, Japan
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Osaka
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Kashiwara-shi, Osaka, Japan
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Osaka-shi, Osaka, Japan
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Saitama
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Hiki-gun, Saitama, Japan
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Tochigi
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Oyama-shi, Tochigi, Japan
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Shimotsuke-shi, Tochigi, Japan
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Tokyo
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Koutoh-ku, Tokyo, Japan
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Meguro-ku, Tokyo, Japan
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Yamagata
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Sagae-shi, Yamagata, Japan
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Yamagata-shi, Yamagata, Japan
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Yamaguchi
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Yamaguchi-shi, Yamaguchi, Japan
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Has a diagnosis of type 2 diabetes mellitus.
- Has a hemoglobin A1c (HbA1c) (National glycohemoglobin standardization program [NGSP]) of ≥6.9% to <10.5% at 8 weeks after the start of the screening period (Week -4).
- Has an HbA1c (NGSP) difference between 4 weeks after the start of the screening period (Week -8) and 8 weeks after the start of the screening period (Week -4) being within 10.0% (rounded off to the first decimal place) of the value at 4 weeks after the start of the screening period (Week -8).
- Has been on a certain diet therapy and exercise therapy (if any) during the screening period.
- Has been receiving alogliptin on a stable dose and regimen (after breakfast, 25 mg/day) during the screening period.
- In the opinion of investigator or subinvestigator, the participant is considered appropriate to receive a biguanide as an add-on to alogliptin, at the end of the screening period (Week 0).
- In the opinion of investigator or subinvestigator, the participant is unlikely to require changes in the dose of antihypertensive agents (including discontinuation and suspension) or an additional antihypertensive agent during the study.
- Is a male and female aged ≥20 years to <75 years. Participants aged ≥65 years to <75 years need to be considered eligible for the enrollment by the investigator or subinvestigator at the end of the screening period (Week 0) taking into consideration the cardiovascular disorders pulmonary function disorders, renal function, hepatic function, etc.
- A female participant of childbearing potential who is sexually active with a nonsterilized male partner agrees to routinely use adequate contraception from signing of informed consent throughout the duration of the study.
- Is treated in outpatient settings during the screening period.
- In the opinion of the investigator or subinvestigator, the participant is capable of understanding and complying with protocol requirements.
- Signs and dates a written, informed consent form prior to the initiation of any study procedures.
Exclusion Criteria:
- Has received other antidiabetic drugs than alogliptin (including insulin preparations and glucagon-like peptidase-1 [GLP-1] analog preparations) during the screening period.
- Has clinical manifestations of hepatic impairment.
- Has an alanine aminotransferase (ALT) or aspartate aminotransferase (AST) ≥ 2.5 × upper limit of normal during the screening period.
- Has clinical manifestations of renal impairment, including mild impairment.
- Has a history of lactic acidosis.
- Has any cardiovascular disease including shock, heart failure, myocardial infarction and pulmonary embolism, any serious pulmonary function disorder, or any other condition predisposing him/her to hypoxemia.
- Has dehydration or gastrointestinal dysfunction such as diarrhea or vomiting, which may cause dehydrated state.
- Has malnutrition, starved state, hyposthenia, pituitary gland dysfunction or adrenal insufficiency.
- Has any serious cardiac disease, any serious cerebrovascular disorder, or any serious pancreatic or hematological disease (eg, the participant requiring inpatient treatment or having been hospitalized for treatment within 24 weeks prior to the start of the screening period).
- In the opinion of the investigator or subinvestigator, the participant has clinically significant abnormal hematological parameters of hemoglobin, hematocrit, or erythrocytes during the screening period.
- Has a systolic blood pressure ≥ 180 mmHg or a diastolic blood pressure ≥ 110 mmHg during the screening period.
- Has a condition requiring insulin for blood glucose control (eg, severe ketosis, diabetic coma or precoma, type 1 diabetes, severe infection, pre- or post-operative condition, or serious trauma).
- Has any malignancy.
- Has a history of hypersensitivity or allergies to dipeptidyl-peptidase-4 (DPP-4) inhibitors or biguanides.
- Is a habitual drinker consuming more than 100 mL of alcohol on average daily.
- Has a history of drug abuse (defined as any illicit drug use) or a history of alcohol dependence.
- Requires an excluded medication or a prohibited matter during the study.
- Has received combination therapy of alogliptin benzoate and metformin hydrochloride in a previous clinical study or as a therapeutic agent.
- Has received any investigational compound within 12 weeks prior to the start of the screening period (Week -12).
- Is a participant in another clinical study at the time of signing informed consent.
- If female, the participant is pregnant or lactating; intending to become pregnant between the time of signing informed consent and the end of the study; or intending to donate ova during such period.
- Is a study site employee, is its immediate family member, is in a dependent relationship with a study site employee who is involved in conduct of this study (eg, spouse, parent, child, sibling), or may consent under duress.
- Is considered ineligible for the study for any other reason by the investigator or subinvestigator.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Active Comparator: Alogliptin Alone
Alogliptin 25 mg, tablets, orally, once, daily, after breakfast and metformin hydrochloride placebo-matching, tablets, orally, 2 tablets after breakfast and 1 tablet after dinner for 24 weeks.
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Alogliptin tablets
Other Names:
Metformin hydrochloride placebo-matching tablets
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Experimental: Alogliptin + Metformin Hydrochloride QD
Alogliptin 25 mg, tablets, orally, once, daily, after breakfast and metformin hydrochloride 500 mg QD (250 mg x 2 tablets, once daily), tablets, orally, once, daily, after breakfast and 1 metformin hydrochloride placebo-matching, tablet, orally, once, daily, after dinner for 24 weeks.
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Alogliptin tablets
Other Names:
Metformin hydrochloride placebo-matching tablets
Metformin hydrochloride tablets
Other Names:
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Active Comparator: Alogliptin + Metformin Hydrochloride BID
Alogliptin 25 mg, tablets, orally, once, daily, after breakfast and metformin hydrochloride 250 mg BID (twice daily), tablets, orally, 1 tablet after breakfast and 1 tablet after dinner and 1 metformin hydrochloride placebo-matching, tablet, orally, once, daily, after breakfast for 24 weeks.
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Alogliptin tablets
Other Names:
Metformin hydrochloride placebo-matching tablets
Metformin hydrochloride tablets
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Change From Baseline in Glycosylated Hemoglobin A1c (HbA1c) National Glycohemoglobin Standardization Program (NGSP) at the End of Treatment (EOT) Period
Time Frame: Baseline and End of Treatment (EOT) (Up to Week 24)
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The change in the value of HbA1c (NGSP) (the concentration of glucose bound to hemoglobin as a percent of the absolute maximum that can be bound) collected at End of Treatment Period relative to Baseline.
A negative change from Baseline indicates improvement.
An Analysis of Covariate (ANCOVA) model with change from Baseline as a dependent variable and Baseline and treatment as independent variables was used for main analyses.
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Baseline and End of Treatment (EOT) (Up to Week 24)
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change From Baseline in HbA1c (NGSP)
Time Frame: Baseline and Weeks 2, 4, 8, 12, 16, 20, 24 and EOT (Up to Week 24)
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The change in the value of HbA1c (NGSP) (the concentration of glucose bound to hemoglobin as a percent of the absolute maximum that can be bound) collected at Weeks 2, 4, 8, 12, 16, 20, 24, and EOT relative to Baseline.
A negative change from Baseline indicates improvement.
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Baseline and Weeks 2, 4, 8, 12, 16, 20, 24 and EOT (Up to Week 24)
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HbA1c (NGSP)
Time Frame: Baseline and Weeks 2, 4, 8, 12, 16, 20, 24 and EOT (Up to Week 24)
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The value of HbA1c (NGSP) (the concentration of glucose bound to hemoglobin as a percent of the absolute maximum that can be bound) collected at Baseline and Weeks 2, 4, 8, 12, 16, 20, 24, and EOT.
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Baseline and Weeks 2, 4, 8, 12, 16, 20, 24 and EOT (Up to Week 24)
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Percentage of Participants Achieving Target HbA1c (NGSP) Levels at the EOT Period
Time Frame: Baseline and EOT (Up to Week 24)
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HbA1c (NGSP) is the concentration of glucose bound to hemoglobin as a percent of the absolute maximum that can be bound.
The percentage of participants with HbA1c levels of ≥6.0, ≥7.0 and ≥8.0 at the end of Screening (Baseline) with change to target values <6.0, <7.0 and <8.0 respectively at EOT.
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Baseline and EOT (Up to Week 24)
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Change From Baseline in Fasting Blood Glucose
Time Frame: Baseline and Weeks 2, 4, 8, 12, 16, 20, 24 and EOT (Up to Week 24)
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The change in the value of the fasting plasma glucose collected at Weeks 2, 4, 8, 12, 16, 20 and 24 relative to Baseline.
A negative change from Baseline indicates improvement.
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Baseline and Weeks 2, 4, 8, 12, 16, 20, 24 and EOT (Up to Week 24)
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Fasting Blood Glucose
Time Frame: Baseline and Weeks 2, 4, 8, 12, 16, 20, 24 and EOT (Up to Week 24)
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The value of the fasting plasma glucose collected at Baseline and Weeks 2, 4, 8, 12, 16, 20, 24 and EOT.
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Baseline and Weeks 2, 4, 8, 12, 16, 20, 24 and EOT (Up to Week 24)
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Percentage of Participants With Treatment-Emergent Adverse Events (TEAE)
Time Frame: 24 Weeks
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An Adverse Event (AE) is defined as any untoward medical occurrence in a clinical investigation participant administered a drug; it does not necessarily have to have a causal relationship with this treatment.
An AE can therefore be any unfavorable and unintended sign (example, a clinically significant abnormal laboratory finding), symptom, or disease temporally associated with the use of a drug, whether or not it is considered related to the drug.
A treatment-emergent adverse event (TEAE) is defined as an adverse event with an onset that occurs after receiving study drug.
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24 Weeks
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Percentage of Participants With TEAEs Categorized Into Investigations System Organ Class (SOC) Related to Chemistry, Hematology or Urinalysis
Time Frame: 24 Weeks
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The percentage of participants with any clinically relevant safety laboratory changes (chemistry, hematology and urinalysis) collected throughout study and recorded as AEs.
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24 Weeks
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Percentage of Participants With TEAEs Related to Vital Signs
Time Frame: 24 Weeks
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Vital signs included sitting systolic and diastolic blood pressures (mmHg) (measured after resting for ≥ 5 minutes) and pulse rate (beats per minute [bpm]).
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24 Weeks
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Number of Participants Who Had Clinically Relevant Changes in 12-Lead Electrocardiogram (ECG) Findings
Time Frame: Baseline and Weeks 12 and 24
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Number of participants who had ECG findings changed from "normal" or "abnormal but not clinically relevant" at Baseline to "abnormal and clinically relevant".
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Baseline and Weeks 12 and 24
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Collaborators and Investigators
Sponsor
Investigators
- Study Director: Study Director, Takeda
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Glucose Metabolism Disorders
- Metabolic Diseases
- Endocrine System Diseases
- Diabetes Mellitus
- Diabetes Mellitus, Type 2
- Hypoglycemic Agents
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Hormones
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Protease Inhibitors
- Incretins
- Dipeptidyl-Peptidase IV Inhibitors
- Metformin
- Alogliptin
Other Study ID Numbers
- SYR-322-MET/CCT-001
- JapicCTI-132377 (Other Identifier: Japic CTI)
- U1111-1151-6515 (Registry Identifier: Universal Trial Number)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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