Type 2 Diabetes Clinical Trial
Official title:
A Multicenter, Randomized, Prospective, Double-blind Study to Evaluate the Nephroprotective Effect of Delapril Alone or Combined With Manidipine in Patients With Type 2 Diabetes
Diabetes mellitus is one of the most common diseases globally, and is considered epidemic in many developed and newly industrialized nations. Diabetes mellitus represents the single largest cause of end-stage renal disease in the U.S. and Europe. At the same time, the primary cause of early death in diabetic patients are cardiovascular complications. Experimental and clinical studies found that angiotensin converting enzyme inhibitors (ACEi) and calcium channel blockers (CCBs) have a specific renoprotective effect and that this effect can be magnified when the two drugs are used in combination. To formally test this hypothesis we designed the Delapril and Manidipine for Nephroprotection in Diabetes (DEMAND) study, a prospective, randomized, double blind trial aimed to compare the effect of 3 years treatment with the ACEi Delapril (30 mg/day), alone or combined to the CCB Manidipine (10 mg/day), versus conventional (non ACEi, non CCB) therapy on the rate of renal function loss and on the incidence of major cardiovascular events in 342 normo- and micro-albuminuric hypertensive type 2 diabetic patients.
Status | Completed |
Enrollment | 342 |
Est. completion date | June 2008 |
Est. primary completion date | |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 40 Years to 75 Years |
Eligibility |
Inclusion Criteria: - Age = 40 years - History of diabetes mellitus type 2 for at least three months with stable antidiabetic treatment - Systolic and/or diastolic blood pressure = 135 or 85 mmHg, respectively. In alternative, antihypertensive therapy regardless of blood pressure values - Serum creatinine = 1.5 mg/dL - Urinary albumin excretion rate < 200 µg/min - Written informed consent for the trial participation. Exclusion Criteria: - Clinical or histological evidence of non-diabetic renal disease, including vascular disease of the kidney, obstructive uropathy, prostatic hypertrophy or incomplete bladder emptying - Transplanted kidney - Moderate to severe chronic heart failure (III-IV stage according to the NYHA classification). - Cerebral hemorrhage, stroke or transient ischemic attack within three months prior to the trial enrolment - Myocardial infarction within three months prior to the trial enrolment - Unstable angina pectoris - Mitral valve stenosis, aortic stenosis or hypertrophic cardiomyopathy - Secondary (e.g., Cushing disease, phaeochromocytoma, etc.) or severe refractory hypertension - Poor glycemic control (HbA1c>11%) - Connective tissue or autoimmune disease - Hereditary angioneurotic edema - Clinically relevant electrolyte imbalance (e.g., serum potassium > 5.5 mmol/L) - Clinically relevant hematological disorders - Anemia with hemoglobin concentrations < 10 g/dL - Serious hepatic disease - Pregnancy or lactating or planning a pregnancy - Women of childbearing potential without following a scientifically accepted form of contraception - Any other serious or terminal concomitant disease - Any condition which may interfere with the absorption of the study treatments - Any concomitant treatment with ACE inhibitors, angiotensin II blockers, calcium channel blockers, potassium sparing diuretics - Chronic treatment with nonsteroidal antiinflammatory drugs, antidepressants and neuroleptics, lithium, cimetidine, immunosuppressive and/or antineoplastic drugs, chronic systemic glucocorticoid therapy more than 7 consecutive days in one month, antiarrhythmic drugs (e.g., chinidin, procainamide), anesthetics/narcotics - History of hypersensitivity to delapril or other ACE inhibitors, manidipine or other dihydropyridine CCBs - Legal incapacity and/or other circumstances rendering the patient unable to understand the nature, scope and possible consequences of the trial - Evidence of an uncooperative attitude - Any evidence that allows predicting that the patient will not be able to complete the trial follow-up. |
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double-Blind, Primary Purpose: Diagnostic
Country | Name | City | State |
---|---|---|---|
Italy | Hospital "Ospedali Riuniti di Bergamo" - Diabetologic Unit | Bergamo | |
Italy | ASL of Ponte San Pietro - Diabetologic Unit | Ponte San Pietro | Bergamo |
Italy | Clinical Research Center for Rare Diseases | Ranica | Bergamo |
Italy | Hospital of Romano di Lombardia - Diabetologic Unit | Romano di Lombardia | Bergamo |
Italy | Humanitas Institute - Endocrinology and Diabetologic Unit | Rozzano | Milano |
Italy | Hospital " Bolognini " - Medicine Unit | Seriate | Bergamo |
Italy | Hospital " Treviglio Caravaggio" - Diabetologic Unit | Treviglio | Bergamo |
Slovenia | Department of Endocrinolgy, Diabetes and Metabolic Disease - University Medical Center | Lubiana |
Lead Sponsor | Collaborator |
---|---|
Mario Negri Institute for Pharmacological Research |
Italy, Slovenia,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | The rate of decline of glomerular filtration rate (GFR).GFR is measured at baseline,and at 6,12,18,24,30 and 36 months after randomization | |||
Secondary | Major cardiovascular events |
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