View clinical trials related to Diabetic Nephropathies.
Filter by:The purpose of this study is to determine which combination of the tablets ramipril, irbesartan or spironolactone is best to lower protein leakage from the kidney.
Study of the efficacy and safety of aliskiren when added to losartan and optimal antihypertensive therapy in patients with hypertension, type 2 diabetes, and kidney disorders to monitor improvement in any of these conditions.
Matrix metalloproteinases (MMPs) are a family of protein-degrading enzymes that are involved in the breakdown and remodeling of many tissues and organs. Abnormal activity of these enzymes has been implicated in many disease processes including rheumatoid arthritis, dental disease and metastatic cancer. Recent studies also suggest that elevations in blood sugar may abnormally effect MMP enzyme activity. Decreased activity of some of these MMP enzymes may be a partial cause of the abnormal enlargement of the kidney (renal hypertrophy) seen at the start of diabetic kidney disease (nephropathy). Preliminary clinical data from our laboratory confirm that children with newly diagnosed type 1 diabetes mellitus (DM) have lower blood levels of some of these enzymes at the time of very high blood sugar readings. However, these enzyme levels become normal again as blood sugar levels improve with insulin treatment. In the present study, we propose to investigate the hypothesis that MMPs are involved in the cause of diabetic kidney disease by measuring concentrations of specific MMPs and some related proteins in the blood and urine of patients with type 1 DM who are between the ages of 14-40 years. We will enroll some patients who are recently diagnosed with diabetes, some who have had diabetes for several years, but without signs of kidney disease, and some with long-term diabetes and various degrees of kidney disease. Continuous Subcutaneous Glucose Monitoring, conducted for 3-4 days, will also be provided as a part of this study, to determine how different levels of blood sugar control might relate to different levels of MMP enzyme activity in the blood. We anticipate that this study will help to establish a link between abnormal MMP activity and the cause of nephropathy in type 1 DM, allowing scientists to design better therapies for the prevention and treatment of diabetes-related kidney problems.
Diabetic nephropathy is a frequent cause of end-stage renal disease. Reduction of dietary protein has been used to slow down renal disease progression, but patients are often unwilling to make these dietary changes. Other research suggests that changing the quality of dietary protein may be as effective as reducing the total amount of ingested protein. This study hopes to show that soy protein, a plant protein relatively high in essential amino acids and with high nutritional value, maye be beneficial to Type I diabetic patients with incipient renal disease.
The purpose of this study is to determine whether a new investigational drug, pirfenidone, will be an effective therapy for diabetic patients with kidney dysfunction. Our hypothesis is that administration of pirfenidone to type 1 and type 2 diabetic patients with advanced kidney disease will lead to preservation of kidney function.
The purpose of this study are to determine 1) Whether Ly333531 can reduce urinary albumin/creatinine excretion in patients with Type II diabetes and persistent albuminuria 2) Whether LY333531 reduces urinary TGF-B, 3) the safety of LY333531 and any side effects that may be associated with it.
Kidney disease in diabetes (diabetic nephropathy) tends to run in families. It is likely, therefore, that there are genes that predict or are associated with either getting or not getting diabetic nephropathy. The GoKinD Study will provide clinical information and DNA for investigators to look for these genes. Evaluation will be performed and DNA obtained from approximately 1100 diabetic persons with kidney disease and 1000 diabetic persons without kidney disease. In some cases, samples for DNA will also be obtained from the parents of these subjects. Clinical information and DNA will be coded so that individuals cannot be identified, but the DNA can be linked to the clinical data from the individual. Multiple investigators will be able to use this genetic material to test hypotheses about the genetics of kidney disease in diabetes.
OBJECTIVES: I. Establish a long-term working relationship between clinical investigators and the Minnesota American Indian community. II. Compare the effectiveness of lisinopril (an angiotensin-converting enzyme inhibitor) and nifedipine (a calcium channel blocker) in preventing nephropathy and vascular disease in Minnesota American Indians with non-insulin-dependent diabetes mellitus and microalbuminuria. III. Compare the effectiveness of simvastatin (a 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitor) with lipid-lowering strategies recommended by the National Cholesterol Education Program in preventing nephropathy and vascular diseases in these patients.