View clinical trials related to Hyperoxaluria, Primary.
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This study is being done to obtain samples from patients with primary hyperoxaluria, cystinuria, adenine phosphoribosyl transferase (APRT) deficiency, and Dent disease, and from their family members, for use in future research.
The purpose of this study is to determine if Oxalobacter formigenes is effective at lowering urinary oxalate levels in patients with primary hyperoxaluria.
The purpose of this study is to determine if Oxalobacter formigenes is effective at lowering plasma oxalate levels in patients with primary hyperoxaluria who are on dialysis.
In this study the investigators will prospectively analyze the reduction of urinary oxalate excretion under the treatment with PLP in dosages of 5mg/kg/day up to 20 mg/kg/day and serum level response relationship with PLP as an i.v. solution used orally in 12 patients with primary hyperoxaluria type I as an inherited autosomal-recessive-disorder leading to increased endogenous oxalate production, urolithiasis and end stage renal disease.
The purpose of this study is to determine if Oxalobacter formigenes is effective at lowering urinary oxalate levels in patients with primary hyperoxaluria.
The purpose of this study is to collect medical information from a large number of patients in many areas of the world with primary hyperoxaluria. This medical information will be entered into a registry to help the investigators compare similarities and differences in patients and their symptoms. The more patients that the investigators are able to enter into the registry, the more the investigators will be able to understand primary hyperoxaluria and learn better ways of treating patients with this disease. It is the investigators hope that by entering as many patients with PH as possible, the information that the investigators collect may help physicians diagnose patients sooner and determine what treatments may work best on patients with similar medical or genetic backgrounds.
The main purpose of this study is to determine if Oxalobacter formigenes is effective at lowering urinary oxalate levels in patients with primary hyperoxaluria.
This study will help us determine whether certain genetic mutations, more than others, are a cause of more severe disease in Primary Hyperoxaluria.
The purpose of this study is to collect medical information from a large number of patients in many areas of the world with primary hyperoxaluria (PH), Dent disease, Cystinuria and APRT deficiency. This information will create a registry that will help us to compare similarities and differences in patients and their symptoms. The more patients we are able to enter into the registry, the more we will be able to understand the Primary Hyperoxalurias,Dent disease, cystinuria and APRT and learn better ways of caring for patients with these diseases.