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Nephrosis clinical trials

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NCT ID: NCT04311684 Active, not recruiting - Nephrotic Syndrome Clinical Trials

Non-invasive Assessment of Mechano-chemical Properties of Urine Proteins by Hybrid Brillouin-Raman Spectroscopy

Start date: April 6, 2020
Phase:
Study type: Observational

The proteinuria is widely recognized as a marker of kidney disease severity, as well as the predictor of renal function decline, cardiovascular outcomes, and all-cause mortality. However, the severity of kidney disease progression and these outcomes differs among patients with various amount of proteinuria. The potential mechanism underlining this disparity may be relevant to the quality and quantity of filtered proteins, especially their mechano-chemical properties such as physical viscosity and stiffness, amino-acid sequence, and molecular weight (low, middle and high molecular weight proteins). The goal of the current project is to develop and validate combined Brillouin & Surface-Enhanced Raman Scattering (SERS) Spectroscopy technique for simultaneous non-contact assessment of visco-elastic and chemical properties of urine proteins as biomarkers of kidney disease. Systematic studies of these properties of proteins in urine samples to be taken from diseased and healthy subjects will be cross-validated by Liquid Chromatography-Mass Spectrometry (LCMS). The project ultimately aims for the development of an optical spectroscopic sensor for rapid, non-contact monitoring of urine samples from patients in clinical settings.

NCT ID: NCT03949855 Active, not recruiting - Nephrotic Syndrome Clinical Trials

Belimumab With Rituximab for Primary Membranous Nephropathy

REBOOT
Start date: March 6, 2020
Phase: Phase 2
Study type: Interventional

The primary objective of this study is to evaluate the effectiveness of belimumab and intravenous rituximab co-administration at inducing a complete remission (CR) compared to rituximab alone in participants with primary membranous nephropathy. Background: Primary membranous nephropathy (MN) is among the most common causes of nephrotic syndrome in adults. MN affects individuals of all ages and races. The peak incidence of MN is in the fifth decade of life. Primary MN is recognized to be an autoimmune disease, a disease where the body's own immune system causes damage to kidneys. This damage can cause the loss of too much protein in the urine. Drugs used to treat MN aim to reduce the attack by one's own immune system on the kidneys by blocking inflammation and reducing the immune system's function. These drugs can have serious side effects and often do not cure the disease. There is a need for new treatments for MN that are better at improving the disease while reducing fewer treatment associated side effects. In this study, researchers will evaluate if treatment with a combination of two different drugs, belimumab and rituximab, is effective at blocking the immune attacks on the kidney compared to rituximab alone. Rituximab works by decreasing a type of immune cell, called B cells. B cells are known to have a role in MN. Once these cells are removed, disease may become less active or even inactive. However, after stopping treatment, the body will make new B cells which may cause disease to become active again. Belimumab works by decreasing the new B cells produced by the body and, may even change the type of new B cells subsequently produced. Belimumab is approved by the US Food and Drug Administration (FDA) to treat systemic lupus erythematosus (also referred to as lupus or SLE). Rituximab is approved by the FDA to treat some types of cancer, rheumatoid arthritis, and vasculitis. Neither rituximab nor belimumab is approved by the FDA to treat MN. Treatment with a combination of belimumab and rituximab has not been studied in individuals with MN, but has been tested in other autoimmune diseases, including lupus nephritis and Sjögren's syndrome.

NCT ID: NCT03899103 Active, not recruiting - Clinical trials for Steroid-Dependent Nephrotic Syndrome

Compare Efficacy and Safety of Repeated Courses of Rituximab to That of Maintenance Mycophenolate Mofetil Following Single Course of Rituximab Among Children With Steroid Dependent Nephrotic Syndrome

RITURNS II
Start date: May 15, 2019
Phase: Phase 3
Study type: Interventional

The aim of the RITURNS II study is to evaluate the efficacy and safety of Repeat courses of Rituximab to that of maintenance Mycophenolate Mofetil following single course of Rituximab in maintaining remission over 24 months among Children with Steroid Dependent Nephrotic Syndrome (SDNS).

NCT ID: NCT03326037 Active, not recruiting - Nephrotic Syndrome Clinical Trials

Study of The Association of Mutations in The NPHS2 Gene and Nephrotic Syndrome in Children and Adults in Middle East

Start date: October 2016
Phase:
Study type: Observational [Patient Registry]

Nephrotic syndrome (NS) represents one of the most common diagnoses in pediatric and adult nephrology, with a prevalence of 16 per 100,000 children and 3 per 100,000 adults in Western countries. In most cases, the pathogenesis of NS remains elusive, and the clinical phenotype of patients does not allow discrimination among different causes. Thus, children with NS are usually treated with corticosteroids before a biopsy is taken, and approximately 80% of them respond to such a treatment. According to this observation, pediatric NS has been separated into two broad categories; Steroid-Sensitive Nephrotic Syndrome (SSNS) and Steroid-Resistant Nephrotic Syndrome (SRNS). In both these categories the biopsy result is usually Minimal Change Disease (MCD) while a few may show Focal and Segmental Glomerulosclerosis (FSGS). Although children affected by SSNS have good long-term prognosis, most patients with SRNS progress to End Stage Renal Disease (ESRD) within 2-10 years of diagnosis . In adults a biopsy diagnosis of FSGS is more common than in children and more patients will not respond to corticosteroids alone and will need additional immunosuppressant medication. About 40% will progress to ESRD within 10 years . Currently, at least 19 genes have been clearly identified with association to SRNS harboring ~300 independent mutations, conferring a considerable genetic heterogeneity to the disorder. Genetic testing is emerging as a useful diagnostic tool in SRNS as it has implications for clinical course, treatment response, risk for posttransplant proteinuria and prenatal diagnosis. An approach for genetic testing based on the current evidence seems cost-effective and may help in the best possible management of SRNS . The NPHS2 gene, is located on chromosome 1 and is also known as the Podocin gene. It encodes the podocin protein. Podocin is a 383-amino acid lipid-raft-associated protein localized at the slit diaphragm, where it is required for the structural organization and regulation of the glomerular filtration barrier. Its interaction with other slit diaphragm proteins eg. nephrin, NEPH1, CD2AP and TRPC6 is important in mechanosensation signaling, podocyte survival, cell polarity, and cytoskeletal organization . It has been reported that variants in the NPHS2 gene are associated with NS . The commonly studied rs61747728 NPHS2 gene polymorphism also known as p.R229Q has been reported to be associated with NS and SRNS . However others have failed to report an association , which might be due to population differences. The rs61747728 is a non-synonymous variant found on exon 5 which is suggested to be involved in in altering the functional properties of podocin in vitro and possibly in vivo . The investigators will therefore investigate the frequency of the p.R229Q variant in Middle East patients with NS. Genetic analysis will have important implications in several aspects:- 1. Understanding the biology of the disease in this part of the world. 2. Counselling patients about their clinical course and what medication they will respond to. 3. Counselling patients about the possibility of a kidney transplant sooner in their disease course

NCT ID: NCT03210688 Active, not recruiting - Nephrotic Syndrome Clinical Trials

Active Vitamin D And Reduced Dose Prednisolone for Treatment in Minimal Change Nephropathy

ADAPTinMCN
Start date: May 1, 2018
Phase: Phase 4
Study type: Interventional

Traditionally MCN is treated with a high dose of prednisolone, which induces remission in 60-90% of patients. Prednisolone treatment contains numerous side effects and the current dose is empiric. Given the lack of efficacy evidence and the risk associated with the currently accepted treatment regimen there is a need to characterize the outcome in MCN further, and to establish new, and potentially less toxic treatment regimens. The aim is to examine if treatment with reduced dose of prednisolone in combination with activated vitamin D is as effective as standard high dose prednisolone in achieving remission and preventing relapse in MCN, and if reduced dose prednisolone is associated with fewer side effects compared to standard dose. Furthermore, the study will examine the influence of prednisolone metabolism on the efficacy and side effects of prednisolone in the treatment of MCN.

NCT ID: NCT02966717 Active, not recruiting - Clinical trials for Renal Insufficiency, Chronic

Rituximab Combined With MSCs in the Treatment of PNS (3-4 Stage of CKD)

CKD
Start date: August 2016
Phase: Phase 2
Study type: Interventional

Primary nephrotic syndrome(PNS) is a group of clinical symptoms caused by a variety of factors, including immune,environmental, genetic, et al. Oral corticosteroids have been to be the preferred drug for the treatment of PNS, but the long-term use of glucocorticoid therapy in clinic often induces some problems such as hormone dependent and hormone resistance, as well as severe side effects which act as a threat to the patients' health. Besides, patients with proteinuria long-term not control often behave faster progression into chronic renal failure, leading to poor prognosis. In renal diseases, Rituximab ( RTX) is often used in the treatment of refractory nephropathy, such as hormone dependent nephrotic syndrome, hormone resistance nephrotic syndrome, frequency recurrence nephrotic syndrome, which shows exciting effects in delaying the development of the disease.At present, mesenchymal stem cells ( MSCs) has been used as a research hotspot to repair the tissue damage of chronic kidney disease, and it also behaves certain effects. The purpose of this study is to seek a more targeted treatment, more precise curative effect and more feasibility treatment for PNS(CKD3-4),so as to delay or reverse the disease and improve the quality of life of patients with CKD.

NCT ID: NCT02194582 Active, not recruiting - Clinical trials for End Stage Renal Disease

Genetic Causes of FSGS, Nephrotic Syndrome, or Kidney Failure

FSGS
Start date: June 1996
Phase:
Study type: Observational

The investigators are trying to learn more about the cause of kidney diseases such as Focal Segmental Glomerulosclerosis (FSGS) and Nephrotic syndrome by studying genetics. The investigators are interested in discovering which genes play a role in causing a predisposition to FSGS/NS. The investigators also want to learn why FSGS/NS can run in families. Participation in our study involves a saliva sample and a urine sample that you can give from home. There is no cost to participate. All information is kept private and confidential. The investigators also like to include healthy volunteers (parents, spouses) if interested/available but of course this is completely optional.

NCT ID: NCT01346007 Active, not recruiting - Clinical trials for Idiopathic Nephrotic Syndrome

Study of 7-valent Pneumococcal Conjugate Vaccine in Children With Idiopathic Nephrotic Syndrome

Start date: January 2009
Phase: Phase 4
Study type: Interventional

The purpose of this study is to determine whether 7-valent pneumococcal conjugate vaccine safely induces immune responses and immunological memory in children with idiopathic nephrotic syndrome in remission.