- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01619059
Safety and Efficacy of Saxagliptin in Triple Therapy to Treat Subjects With Type 2 Diabetes
A Multicenter, Randomized, Double-Blind, Placebo Controlled, Parallel Group, Phase 3 Trial to Evaluate the Safety and Efficacy of Triple Therapy With Saxagliptin Added to Dapagliflozin in Combination With Metformin Compared to Therapy With Placebo Added to Dapagliflozin in Combination With Metformin in Subjects With Type 2 Diabetes Who Have Inadequate Glycemic Control on Metformin and Dapagliflozin
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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Quebec, Canada, G3K 2P8
- Local Institution
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New Brunswick
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Moncton, New Brunswick, Canada, E1G 1A7
- Local Institution
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Newfoundland and Labrador
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St-john, Newfoundland and Labrador, Canada, A1E 2E2
- Local Institution
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Nova Scotia
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Halifax, Nova Scotia, Canada, B3K2M5
- Local Institution
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Ontario
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Brampton, Ontario, Canada, L6T-0G1
- Local Institution
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Sarnia, Ontario, Canada, N7T 4X3
- Local Institution
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Quebec
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Montreal, Quebec, Canada, H2R 1V6
- Local Institution
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Hradec Kralove, Czech Republic, 500 05
- Local Institution
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Karlovy Vary, Czech Republic, 360 01
- Local Institution
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Praha 5, Czech Republic, 150 98
- Local Institution
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Balatonfured, Hungary, H-8230
- Local Institution
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Budaors, Hungary, 2040
- Local Institution
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Budapest, Hungary, 1138
- Local Institution
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Zalaegerszeg, Hungary, 8900
- Local Institution
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Del. Benito Juarez, Mexico, 03100
- Local Institution
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Veracruz, Mexico, 91910
- Local Institution
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Jalisco
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Guadalajara, Jalisco, Mexico, 44650
- Local Institution
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Guadalajara, Jalisco, Mexico, 44670
- Local Institution
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Guadalajara, Jalisco, Mexico, 44600
- Local Institution
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Michioacan
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Morelia, Michioacan, Mexico, 58070
- Local Institution
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Nuevo Leon
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Monterrey, Nuevo Leon, Mexico, 64460
- Local Institution
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Bialystok, Poland, 15-435
- Local Institution
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Katowice, Poland, 40954
- Local Institution
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Katowice, Poland, 40-750
- Local Institution
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Krakow, Poland, 31-530
- Local Institution
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Pszczyna, Poland, 43-200
- Local Institution
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Pulawy, Poland, 24-100
- Local Institution
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Szczecin, Poland, 70-376
- Local Institution
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Warszawa, Poland, 01-868
- Local Institution
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Wegrow, Poland, 07-100
- Local Institution
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Wroclaw, Poland, 50-349
- Local Institution
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Ponce, Puerto Rico, 00717
- Research & Cardiovascular Corp
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Brasov, Romania, 500365
- Local Institution
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Bucharest, Romania, 070208
- Local Institution
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Bucharest, Romania, 77108
- Local Institution
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Bucuresti, Romania, 020045
- Local Institution
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Constanta, Romania, 900591
- Local Institution
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Craiova, Romania, 200349
- Local Institution
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Galati, Romania, 800098
- Local Institution
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Ploiesti, Romania, 100097
- Local Institution
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Kursk, Russian Federation, 305035
- Local Institution
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Moscow, Russian Federation, 119034
- Local Institution
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Saint-petersburg, Russian Federation, 194044
- Local Institution
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St. Petersburg, Russian Federation, 195257
- Local Institution
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St. Petersburg, Russian Federation, 197341
- Local Institution
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St. Petersburg, Russian Federation, 194044
- Local Institution
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St. Petersburg, Russian Federation, 197136
- Local Institution
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St.petersburg, Russian Federation, 195112
- Local Institution
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St.petersburg, Russian Federation, 197022
- Local Institution
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Yaroslaval, Russian Federation, 150062
- Local Institution
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Alabama
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Birmingham, Alabama, United States, 35294
- University of Alabama at Birmingham
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Muscle Shoals, Alabama, United States, 35662
- Terence T. Hart, MD
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Arizona
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Mesa, Arizona, United States, 85213
- Clinical Research Advantage Inc/Desert Clinical Research Llc
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Mesa, Arizona, United States, 85203
- Mesa Family Medical Center
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Phoenix, Arizona, United States, 85020
- Clinical Research Advantage, Inc
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Phoenix, Arizona, United States, 85028
- Clinical Research Advantage, Inc./ Stonecreek Medical Associates, Pc
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California
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Huntington Beach, California, United States, 92647
- Beach Physicians Clinical Research Corp.
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Lomita, California, United States, 90717
- Torrance Clinical Research
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Los Angeles, California, United States, 90057
- National Research Institute
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Los Angeles, California, United States, 90023
- Randall G. Shue, Do, Inc.
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Vista, California, United States, 92083
- Cassidy Medical Group/Clinical Research Advantage
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West Hills, California, United States, 91307
- Infosphere Clinical Research, Inc.
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Colorado
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Golden, Colorado, United States, 80401
- New West Physicians, PC
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Florida
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Chiefland, Florida, United States, 32626
- Southeast Clinical Research, LLC
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Coral Gables, Florida, United States, 33134
- Clinical Therapeutics Corporation
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Hialeah, Florida, United States, 33012
- Medical Research Unlimited, Llc
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Jacksonville, Florida, United States, 32277
- Care Partners Clinical Research, Llc
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Jacksonville, Florida, United States, 32207
- University Of Florida Endocrinology & Diabetes
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Miami, Florida, United States, 33126
- Clinical Research Of Miami, Inc.
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Indiana
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Evansville, Indiana, United States, 47725
- Clinical Research Advantage, Inc.
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Evansville, Indiana, United States, 7714
- Clinical Research Advantage
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Missouri
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Saint Louis, Missouri, United States, 63141
- Mercy Health Research
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Nevada
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Las Vegas, Nevada, United States, 89128
- Clinical Research Advantage, Inc.
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New Hampshire
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Nashua, New Hampshire, United States, 03063
- Joslin Diabetes Center Affiliate Of Snhmc
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New York
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New Hyde Park, New York, United States, 11042
- N. Shore Diabetes & Endoc Assoc
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North Massapequa, New York, United States, 11758
- DiGiovanna Institute for Medical Education & Research
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North Carolina
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Charlotte, North Carolina, United States, 28262
- Barat Research Group, Inc.
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Ohio
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Cincinnati, Ohio, United States, 45219
- Sterling Research Grp, Ltd.
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Zanesville, Ohio, United States, 43701
- Physicians Research, Inc.
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South Carolina
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Columbia, South Carolina, United States, 29204
- TLM Medical Services
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Myrtle Beach, South Carolina, United States, 29588
- Family Medicine of Sayebrook
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Tennessee
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Bristol, Tennessee, United States, 37620
- Holston Medical Group
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Nashville, Tennessee, United States, 37232
- Vanderbilt Diabetes Center
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Texas
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Corpus Christi, Texas, United States, 78404
- Padre Coast Clinical Research
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria
Signed Written Informed Consent
a) Subjects must be willing and able to give signed and dated written informed consent.
Target Population
- Subjects with T2DM with inadequate glycemic control, defined as central laboratory HbA1c ≥ 8.0 and ≤ 11.5% obtained at the screening visit (ie Week -18 visit)
- Stable metformin therapy for at least 8 weeks prior to screening visit at a dose ≥ 1500 mg per day.
- C-peptide ≥ 1.0 ng/mL (0.34 nmol/L) at screening visit.
- BMI ≤ 45.0 kg/m2 at the screening visit.
Age and Reproductive Status
- Men and women, aged ≥ 18 years old at time of screening visit.
- Women of childbearing potential (WOCBP) must be using an acceptable method of contraception to avoid pregnancy throughout the study in such a manner that the risk of pregnancy is minimized. See Section 3.3.3 for the definition of WOCBP.
- WOCBP must have a negative serum or urine pregnancy test (minimum sensitivity 25 IU/L or equivalent units of HCG) within 24 hours prior to the start of investigational product.
- Women must not be breastfeeding
- Sexually active fertile men must use effective birth control if their partners are WOCBP.
Exclusion Criteria
Target Disease Exceptions
- History of diabetes insipidus
- Symptoms of poorly controlled diabetes that would preclude participation in this trial including but not limited to marked polyuria and polydipsia with greater than 10% weight loss during the three months prior to screening, or other signs and symptoms.
- History of diabetic ketoacidosis or hyperosmolar nonketotic coma.
Medical History and Concurrent Diseases
- History of bariatric surgery or lap-band procedure within 12 months prior to screening.
- Any unstable endocrine, psychiatric or rheumatic disorders as judged by the Investigator.
- Subject who, in the judgment of the investigator, may be at risk for dehydration or volume depletion that may affect the interpretation of efficacy or safety data and concomitant use of loop diuretics in countries where this is not recommended as per the Dapagliflozin label.
Subject is currently abusing alcohol or other drugs or has done so within the last 6 months.
Acute Vascular Event:
Uncontrolled hypertension defined as systolic blood pressure (SBP) ≥ 160 mmHg and/or diastolic blood pressure (DBP) ≥ 100 mmHg.
Note: Subjects with SBP ≥ 160mmHg and < 180mmHg or a DBP ≥ 100 mmHg and < 110mmHg will be able to enter the lead-in period, provided their hypertension treatment is adjusted as deemed appropriate by the investigator. These subjects cannot be randomized if their blood pressure remains with SBP ≥ 160 mmHg or DBP ≥ 100 mmHg measured at Day 1.
- Cardiovascular Disease within 3 months of the screening visit [ie myocardial infarction, cardiac surgery or revascularization (CABG/PTCA), unstable angina, stroke or transient ischemic attack (TIA)].
Congestive heart failure as New York Association (NYHA) class IV (see Appendix 1), unstable or acute congestive heart failure. Note: eligible patients with congestive heart failure, especially those who are on diuretic therapy, should have careful monitoring of their volumes status throughout the study.
Renal Diseases:
- Moderate or severe impairment of renal function [defined as eGFR < 60 mL/min/1.73 m2 (estimated by MDRD) or serum creatinine (Scr) ≥ 1.5 mg/dL in males or ≥ 1.4 mg/dL in females.]
Conditions of congenital renal glucosuria
Hepatic Diseases:
Significant hepatic disease, including, but not limited to, chronic active hepatitis and/or severe hepatic insufficiency, including subjects with ALT and/or AST > 3x ULN and or Total Bilirubin > 2.5 x ULN.
Hematological and Oncological Disease/Conditions
- History of hemoglobinopathy, with the exception of sickle cell trait (SA) or thalassemia minor; or chronic or recurrent hemolysis.
- Malignancy within 5 years of the screening visit (with the exception of treated basal cell or treated squamous cell carcinoma)
- Known immunocompromised status, including but not limited to, individuals who have undergone organ transplantation or who are positive for the human immunodeficiency virus.
Donation of blood or blood products to a blood bank, blood transfusion, or participation in a clinical study requiring withdrawal of > 400 mL of blood during the 6 months prior to the screening visit.
Prohibited treatment and therapies
- Administration of any antihyperglycemic therapy, other than metformin, for more than 14 days (consecutive or not) during the 12 weeks prior to screening, as well as previous participation in any DPP-4 or SGLT-2 inhibitor trial is an exclusion criterion.
- Current treatment with potent cytochrome P450 3A4/5 inhibitors (in countries where dose adjustment would be required by the saxagliptin label).
- Administration of any other investigational drug or participation in any interventional clinical studies within 30 days of planned screening to this study. Subjects who failed to satisfy all eligibility criteria at screening and did not enter the lead-in or open-label period in CV181-169 or MB102-129 studies specifically, do not need to wait 30 days.
Physical and Laboratory Test Findings
- Hemoglobin ≤ 11.0 g/dL (110 g/L) for men; hemoglobin ≤ 10.0 g/dL (100 g/L) for women
Male subjects with microscopic hematuria present at Week -18 or Week -16 AND no common cause that can be confirmed. Male subjects with a confirmed common cause can be entered into the open-label phase with a documented negative result for hematuria microscopic urinalysis performed by the central laboratory.
NOTE: Female subjects with hematuria can be entered into the open-label phase and be randomized, but should be investigated according to local standards and best clinical practices. (See Appendix 3)
Other central laboratory test findings:
- Abnormal free T4 values. Abnormal thyroid stimulating hormone (TSH) value at screening will be further evaluated by free T4. Subjects with abnormal free T4 values will be excluded.
- Positive for hepatitis B surface antigen
- Positive for anti-hepatitis C virus antibody
Allergies and Adverse Drug Reaction
a) Subjects who have contraindications to therapy as outlined in the saxagliptin and dapagliflozin Investigator Brochure, the local saxagliptin or dapagliflozin package insert or the local metformin package insert, including current treatment with potent cytochrome P450 3A4/5 inhibitors (in countries where dose adjustment would be required by the local saxagliptin label).
Sex and Reproductive Status
a) Women who are pregnant
Other Exclusion Criteria
- Prisoners or subjects who are involuntarily incarcerated.
- Subject who are compulsorily detained for treatment of either a psychiatric or physical (eg, infectious disease) illness.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Arm 1: Saxagliptin+Dapagliflozin+Metformin IR
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Tablets, Oral, 10 mg, Once daily, Up to 52 weeks
Tablets, Oral, 5 mg, Once daily, Up to 52 weeks
Other Names:
Tablets, Oral, ≥ 1500mg, Twice daily, Up to 52 weeks
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Experimental: Arm 2: Placebo+Dapagliflozin+Metformin IR
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Tablets, Oral, 10 mg, Once daily, Up to 52 weeks
Tablets, Oral, ≥ 1500mg, Twice daily, Up to 52 weeks
Tablets, Oral, 0 mg, Once daily, Up to 52 weeks
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Adjusted Mean Change From Baseline in Hemoglobin A1C (HbA1c) at Week 24
Time Frame: From Baseline to Week 24
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HbA1c was measured as percent of hemoglobin by a central laboratory.
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 at Week 24 in the double-blind period, including observations prior to rescue.
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From Baseline to Week 24
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Adjusted Mean Change From Baseline in 2-hour Post Prandial Glucose (PPG) From a Liquid Meal Tolerance Test (MTT) at Week 24
Time Frame: From Baseline to Week 24
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Baseline was defined as the last assessment on or prior to the date of the first dose of the double-blind study medication.
PPG measurements were obtained at Week 24 in the double-blind period, including observations prior to rescue.
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From Baseline to Week 24
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Adjusted Mean Change From Baseline in Fasting Plasma Glucose at Week 24
Time Frame: From Baseline to Week 24
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Baseline was defined as the last assessment on or prior to the date of the first dose of the double-blind study medication.
FPG measurements were obtained at Week 24 in the double-blind period, including observations prior to rescue.
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From Baseline to Week 24
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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
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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.
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From Baseline to Week 24
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Collaborators and Investigators
Sponsor
Publications and helpful links
General Publications
- Mathieu C, Catrinoiu D, Ranetti AE, Johnsson E, Hansen L, Chen H, Garcia-Sanchez R, Iqbal N, Celinski A. Characterization of the Open-Label Lead-In Period of Two Randomized Controlled Phase 3 Trials Evaluating Dapagliflozin, Saxagliptin, and Metformin in Type 2 Diabetes. Diabetes Ther. 2018 Aug;9(4):1703-1711. doi: 10.1007/s13300-018-0445-x. Epub 2018 May 25.
- Matthaei S, Catrinoiu D, Celinski A, Ekholm E, Cook W, Hirshberg B, Chen H, Iqbal N, Hansen L. Randomized, Double-Blind Trial of Triple Therapy With Saxagliptin Add-on to Dapagliflozin Plus Metformin in Patients With Type 2 Diabetes. Diabetes Care. 2015 Nov;38(11):2018-24. doi: 10.2337/dc15-0811. Epub 2015 Aug 31.
Helpful Links
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 (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
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
- Sodium-Glucose Transporter 2 Inhibitors
- Dipeptidyl-Peptidase IV Inhibitors
- Dapagliflozin
- Metformin
- Saxagliptin
Other Study ID Numbers
- CV181-168
- 2011-006323-37 (EudraCT 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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