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Polycystic kidney disease (ADPKD) is a common genetic disorder, characterized by the formation of cysts in the kidneys, causing gradual renal function-loss. Previous studies have shown that, reduced glomerular filtration rate (GFR) and renal plasma flow (RPF) play a role in the progression of renal disease in ADPKD. Tolvaptan is a vasopressin 2 antagonist, which seems to reduce the growth of total kidney volume (TKV) and the decline in e-GFR in ADPKD. The mechanism is not fully understood and could, at least partly, be caused by stimulation of the renal blood flow. The purpose of this trial is to investigate if tolvaptan´s improve renal blood flow and glomerular filtration in ADPKD, in a randomized, cross-over, double-blind, placebo-controlled study.
The aim is to measure the acute effects of tolvaptan on:
1. Renal hemodynamics (RPF, GFR, filtration fraction ((FF)) and renovascular resistance ((RVR))
2. Blood pressure (central blood pressure ((cBP)) and brachial blood pressure bBP)
3. Several vasoactive hormones (plasma renin ((PRC)), plasma angiotensin II ((p-Ang-II)), plasma aldosterone ((p-Aldo)), plasma vasopressin ((p-AVP))
in patients with ADPKD.
Polycystic Kidney, Autosomal Dominant
Departments of medical research and medicine
Regional Hospital Holstebro
Published on BioPortfolio: 2019-01-18T13:03:15-0500
Investigator initiated controlled multi-centre trial in a Prospective, Randomised, Open, Blinded Endpoint (PROBE) design. Patients will be randomised in a 1:1 ratio either to treatment wi...
The purpose of this study is to evaluate the safety and effectiveness of tolvaptan in patients with autosomal dominant polycystic kidney disease (ADPKD) in the real world clinical setting ...
The purpose of the study is to evaluate and describe the long term safety of tolvaptan in patients with autosomal dominant polycystic kidney disease (ADPKD
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Kidney disorders with autosomal dominant inheritance and characterized by multiple CYSTS in both KIDNEYS with progressive deterioration of renal function.
Hereditary diseases that are characterized by the progressive expansion of a large number of tightly packed CYSTS within the KIDNEYS. They include diseases with autosomal dominant and autosomal recessive inheritance.
A genetic disorder with autosomal recessive inheritance, characterized by multiple CYSTS in both KIDNEYS and associated LIVER lesions. Serious manifestations are usually present at BIRTH with high PERINATAL MORTALITY.
A non-hereditary KIDNEY disorder characterized by the abnormally dilated (ECTASIA) medullary and inner papillary portions of the collecting ducts. These collecting ducts usually contain CYSTS or DIVERTICULA filled with jelly-like material or small calculi (KIDNEY STONES) leading to infections or obstruction. It should be distinguished from congenital or hereditary POLYCYSTIC KIDNEY DISEASES.
A complex disorder characterized by infertility, HIRSUTISM; OBESITY; and various menstrual disturbances such as OLIGOMENORRHEA; AMENORRHEA; ANOVULATION. Polycystic ovary syndrome is usually associated with bilateral enlarged ovaries studded with atretic follicles, not with cysts. The term, polycystic ovary, is misleading.
Chronic kidney disease (CKD), also known as chronic renal disease, is a progressive loss in renal function over a period of months or years. The symptoms of worsening kidney function are non-specific, and might include feeling generally unwell and experi...
Nephrology - kidney function
Nephrology is a specialty of medicine and pediatrics that concerns itself with the study of normal kidney function, kidney problems, the treatment of kidney problems and renal replacement therapy (dialysis and kidney transplantation). Systemic conditions...