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A Phase 2a, Single-Center Study Investigating the Short-Term Renal Hemodynamic Effects, Safety and Pharmacokinetics/ Pharmacodynamics of Oral Tolvaptan in Subjects with Autosomal Dominant Polycystic Kidney Disease at Various Stages of Renal Function

The purpose of the trial is to determine the effect of multiple doses of tolvaptan on renal function in patients with autosomal dominant polycystic kidney disease (ADPKD) at various stages of renal function. Additionally, the short-term renal…

A Single-Centre, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of ARA 290 Administered Intravenously to End-Stage Renal Disease Patients

The present study will investigate the safety, tolerability, pharmacokinetics and pharmacodynamics of ARA 290 administered intravenously to patients with ESRD.

A Phase I, Single-Centre, Randomized, Double-Blind, Placebo Controlled, Multiple Ascending Dose Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of ARA 290 Administered Intravenously to Healthy Subjects, and extension in renal patients

The present study will investigate the safety, tolerability, pharmacokinetics and pharmacodynamics of ARA 290 administered intravenously to healthy subjects, and of intravenously and subcutaneously administered ARA 290 to renally impaired subjects.

A comparison between the effects of icodextrin and glucose 2.27% on plasma volume in peritoneal dialysis patients

The primary hypothesis of the study is that the use of icodextrin leads to a reduction in extracellular volume compared to glucose 2.27%, but that the effects of icodextrin and glucose 2.27% on plasma will not differ.

Bone marrow derived mesenchymal stem cells for the treatment of allograft rejection after renal transplantation

Primary: 1 to test the safety and feasibility of autologous MSC therapy in HLA-DR mismatched patients with SCR in the renal biopsy 4 weeks after renal transplantation.Secondary1 To assess histologic changes before and after MSC treatment.2 To…

Effect of mild diarrhea on tacrolimus exposure

Primary objective: To assess the degree of tacrolimus over-exposure in renal transplant patients with mild diarrhea while on treatment with tacrolimus and mycophenolate mofetil.Secondary objective: To assess the intra-individual variability of…

Double blind placebo controlled study on the efficacy of melatonin on sleep parameters and quality of life in hemodialysis patients

Does melatonin by improving sleep parameters improve quality of life of hemodialysis patients?

Systemic effects of mild renal insufficiency: the relation between forearm blood flow and ADMA.

The results of this study will give better insights in the role of ADMA in the development of systemic endothelial dysfunction.

Extended trough level measurement with extended release formulation of tacrolimus

To assess whether in renal transplant patients with tacrolimus OD taken in the morning measurement of the trough level can be delayed from the morning to the afternoon.

Steroid free immunosuppression or calcineurin inhibitor minimization after Basiliximab induction therapy in kidney transplantation: Comparison with a standard quadruple immunosuppressive regimen.

Objectives: A prospective, open label, randomized trial, in which we aim to achieve optimal immunosuppression after renal renal transplantation with maximal reduction of side effects, especially of vascular injury, chronic allograft nephropathy,…

A Phase 3, Multi-center, Double-blind, Placebo-controlled, Parallel-arm Trial to Determine Long-term Safety and Efficacy of Oral Tolvaptan Tablet Regimens in Adult Subjects with Autosomal Dominant Polycystic Kidney Disease

Primary objective:* Evaluate long-term effect of tolvaptan in ADPKD through rate of renal volume change(%) for tolvaptan-treated compared to placebo-treated subjects.Secondary objectives:* Evaluate long-term efficacy of tolvaptan in ADPKD through a…

The effects of conjugated linoleic acid on the liver enzyme activity

To show whether an intake of 20g CLA per day has negative effects on liver and kidney function in healthy human volunteers.

Danaparoid dosing during continuous venovenous hemofiltration - a randomized controlled pilot study investigating two danaparoid dosing schemes with a standard heparin dosing scheme

The aims of the current study are1. to investigate the efficacy and safety of a continuous infusion of 'low dose' danaparoid in patients with acute renal failure needing CRRT2. to investigate whether repeated measurements of anti-Xa levels…

A prospective, randomized, open, multicenter study to evaluate the efficacy and tolerability of induction therapy with a single high-dose anti-T-lymphocyte globulin (ATG-Fresenius) in renal transplant patients with a kidney from a non-heart-beating donor and tacrolimus, mycophenolate mofetil, and steroids as basic immunosuppression.

With an one-off infusion of anti-thymocyte globulin (ATG) during the operation the T-cell function is decreased. With this action we try to achieve that DGF does not occur or that the length of the DGF is as short as possible and less frequent…

Comparison of dialysate- and plasma clearences between three different haemodialysis modes.

Primary research question: Is there a difference in plasma- and dialysate clearances of middle molecules and larger molecules, with different electrical charges, between treatment with standard haemodialysis, high-flux haemodialysis and on-line…

A Phase 2/3, Double-Blind, Randomized, Placebo-Controlled, Multi-center, International Study to Evaluate the Efficacy and Safety of Oxabact(TM) to Reduce Urinary Oxalate in Subjects with Primary Hyperoxaluria.

Primary Objective:To evaluate the efficacy of Oxabact TM to reduce urinary oxalate levels from Baseline to Week 24 in subjects with Primary Hyperoxaluria (PH).Secondary Objectives:To evaluate:* Percentage of subjects who have 20% or greater…

A Phase 2/3, double-blind, randomized, placebo-controlled, multi-center study to evaluate the efficacy and safety of OxabactTM to reduce urinary oxalate in subjects with Primary Hyperoxaluria.

Primary Objective:To evaluate the efficacy of OxabactTM to reduce urinary oxalate levels (molar oxalate to creatinine ratio) from Baseline to Week 24 in subjects with Primary Hyperoxaluria (PH).Secondary Objectives- To evaluate the safety of…

An Open-label (OL) Extension Study evaluating the Long-Term Safety of OxabactTM in Subjects with Primary Hyperoxaluria (PH) who participated in the Double-Blind (DB) Efficacy Study

Primary Objective:To evaluate the Safety of OxabactTM with continued exposure.Secondary Objectives:To obtain additional efficacy data with up to 48 weeks continuous exposure to Oxabact*.

Comparison of the action of amiloride and thiazide in the reduction of lithium-NDI in patients with affective disorders

To compare the effect of amiloride on lithium-induced Nephrogenic Diabetes Insipidus with the effect of hydrochlorothiazide, measured as urine volume and maximal urine osmolality.

The use of Polysol® as a wash-out and preservation solution in kidney transplantation: a pilot study in living (un)related donors

Is Polysol® safe for use as a wash-out and preservation solution in kidney transplantation?