The CANTATA-M (CANagliflozin Treatment and Trial Analysis - Monotherapy) Trial
The purpose of this study is to evaluate the efficacy, safety, and tolerability of 2 different doses of canagliflozin administered as monotherapy compared with placebo in patients with type 2 diabetes mellitus (T2DM) inadequately controlled with diet and exercise.
Canagliflozin is a drug that is being tested to see if it may be useful in treating patients diagnosed with type 2 diabetes mellitus (T2DM). This is a randomized (study drug assigned by chance), double blind (neither the patient or the study doctor will know the name of the assigned treatment), parallel-group, 3 arm (patients will be assigned to 1 of 3 treatment groups) multicenter study to determine the efficacy, safety, and tolerability of canagliflozin (100 mg and 300 mg) compared to placebo (a capsule that looks like all the other treatments but has no real medicine) in patients diagnosed with T2DM who are not achieving an adequate response from diet and exercise to control their diabetes. Approximately 450 patients with inadequate glycemic control with diet and exercise will receive once-daily treatment with study drug or placebo capsules for 26 weeks followed by a 26 week extension period where patients treated canagliflozin 100 mg or 300 mg will continue treatment for an additional 26 weeks and patients treated with placebo will be switched to active double blind treatment with sitagliptin 100 mg capsules administered once daily for 26 weeks (sitagliptin is an antihyperglycemic agent that will allow patients randomized to the placebo group to improve glycemic control and remain in the study). Patients will participate in the study for approximately 60 to 68 weeks (referred to as the main study). The study will also include a High Glycemic Cohort Substudy in 50 to 100 patients with T2DM who have poorer glycemic control with diet and exercise. Patients in the substudy will be assigned to receive active treatment with canagliflozin 100 mg or 300 mg (blinded to dose) for 26 weeks; patients will participate in the substudy for approximately 34 to 42 weeks. During treatment, if a patient's fasting blood sugar remains high despite treatment with study drug and reinforcement with diet and exercise, the patient will receive treatment with metformin (rescue therapy) consistent with local prescribing information. During treatment, patients will be monitored for safety by review of adverse events, results from laboratory tests, 12 lead ECGs, vital signs measurements, body weight, physical examinations, and self-monitored blood glucose (SMBG) measurements. The primary outcome measure in the main study is to assess the effect of canagliflozin relative to placebo on hemoglobin A1c (HbA1c) after 26 weeks of treatment. The efficacy and safety data in the main study and in the high glycemic cohort substudy will be summarized separately. Study drug will be taken orally (by mouth) once daily before the first meal each day unless otherwise specified. Patients will take single blind placebo for 1 or 2 weeks (wks) before randomization. After randomization, patients in the main study will take double-blind canagliflozin (100mg or 300mg) for 52 wks OR placebo for 26 wks switched to double-blind sitagliptin 100mg for 26 wks; patients in the High Glycemic Cohort Substudy will take canagliflozin 100mg or 300mg blinded to dose for 26 wks.
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Treatment
Diabetes Mellitus, Type 2
Canagliflozin 300 mg, Canagliflozin 100 mg, Placebo/sitagliptin 100 mg, Canagliflozin 300 mg, Canagliflozin 100 mg
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Results (where available)
- Source: http://clinicaltrials.gov/show/NCT01081834
- Information obtained from ClinicalTrials.gov on July 15, 2010
Medical and Biotech [MESH] Definitions
Diabetes Mellitus, Type 2
A subclass of DIABETES MELLITUS that is not INSULIN-responsive or dependent (NIDDM). It is characterized initially by INSULIN RESISTANCE and HYPERINSULINEMIA; and eventually by GLUCOSE INTOLERANCE; HYPERGLYCEMIA; and overt diabetes. Type II diabetes mellitus is no longer considered a disease exclusively found in adults. Patients seldom develop KETOSIS but often exhibit OBESITY.
Diabetes Mellitus, Experimental
Diabetes mellitus induced experimentally by administration of various diabetogenic agents or by PANCREATECTOMY.
Urination of a large volume of urine with an increase in urinary frequency, commonly seen in diabetes (DIABETES MELLITUS; DIABETES INSIPIDUS).
Diabetes Mellitus, Type 1
A subtype of DIABETES MELLITUS that is characterized by INSULIN deficiency. It is manifested by the sudden onset of severe HYPERGLYCEMIA, rapid progression to DIABETIC KETOACIDOSIS, and DEATH unless treated with insulin. The disease may occur at any age, but is most common in childhood or adolescence.
Rats, Inbred Bb
A strain of Rattus norvegicus which is a model for spontaneous insulin-dependent diabetes mellitus (DIABETES MELLITUS, INSULIN-DEPENDENT).
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