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Glomerular Filtration Rate clinical trials

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NCT ID: NCT05229939 Completed - Clinical trials for Kidney Transplantation

Estimating Glomerular Filtration Rate in Kidney Transplant Recipients

Start date: January 1, 2000
Phase:
Study type: Observational

Accurate estimation of the glomerular filtration rate (GFR) is crucial for the management of kidney recipients, since it is the most predictive parameter of allograft failure that drives patient monitoring and decision-making. Standard and recent race-free GFR equations have been developed in native kidneys, but their performances in transplant kidney population remains unknown. We aimed at developing a kidney-transplant-specific GFR equation, and comparing its performance to standard GFR equations.

NCT ID: NCT04833231 Completed - Clinical trials for Chronic Kidney Disease

The Relationship Between Renal Functions and Multi Drug Resistant Organisms

Start date: August 1, 2019
Phase:
Study type: Observational [Patient Registry]

Ventilator-associated pneumonia (VAP) is the most common nosocomial infection in patients receiving invasive mechanical ventilation (MV). Antibiotic resistance poses an increasing threat due to the rise of infections caused by multidrug-resistant organisms (MDROs).Despite the increase in the frequency of MDRO colonisation and infection in dialysis patients, it is not known enough whether the risk of multi-drug resistant (MDR) pneumonia increases in mild-to-severe chronic kidney disease (CKD) (eGFR <60 mL/min/1.73 m2) patients not receiving dialysis. Therefore, in our study, the investigators aimed to evaluate the relationship between renal functions and MDR VAP risk and the specific microbial pattern.

NCT ID: NCT03689777 Active, not recruiting - Bariatric Surgery Clinical Trials

the Related Factors of Bariatric Surgery on Glomerular Filtration Rate

Start date: January 1, 2018
Phase: N/A
Study type: Interventional

Obesity and related metabolic diseases have become a chronic disease that is a threat to human health. Bariatric surgery can effectively and long-term reduce excess body weight and relieve related metabolic diseases, including type 2 diabetes. Laparoscopic gastric bypass surgery and laparoscopic sleeve gastrectomy are commonly used in bariatric surgery. Laparoscopic sleeve gastrectomy due to simple operation, good weight loss, and metabolic disease control effect, which is more widely used. However, there are several studies that show an increased chance of gastroesophageal reflux disease after laparoscopic sleeve gastrectomy. Long-term gastroesophageal reflux may lead to Barrett's esophagus or esophageal cancer. Nowadays, the cause of gastroesophageal reflux disease after sleeve gastrectomy is not clear and precautionary measures are not precise. In this study, prospective randomized controlled trials were conducted to explore the possible causes of glomerular filtration rate after bariatric surgery and to explore ways to prevent glomerular filtration rate after the surgery

NCT ID: NCT03521700 Completed - Blood Pressure Clinical Trials

Compare Effects of Intensive Versus Conventional Lipid-lowering Therapy in Patients With Severe Atherosclerotic Renal Artery Stenosis Undergoing Stent Placement

Start date: June 1, 2013
Phase: Phase 2/Phase 3
Study type: Interventional

Although expert consensuses recommend the use of statins in the treatment of atherosclerotic renal artery stenosis, in patients with severe atherosclerotic renal artery stenosis undergoing stent placement, the related investigation focused on renal protection by intensive lipid-lowering therapy is scant , and the optimal target level for lipid reduction remain uncertain. Therefore, we hypothesized that intensive lipid lowering could offer more benefits with respect to renal function in the patients with percutaneous renal artery stenting. We conducted the prospective randomized unblinded trial to compare the renal-protective effect of intensive lipid lowering with that of conventional lipid lowering in patients underwent renal artery stenting (75 patients in each study group)

NCT ID: NCT02287987 Enrolling by invitation - Nephrectomy Clinical Trials

CLamp vs Off Clamp Kidney During Partial Nephrectomy

CLOCK
Start date: October 2014
Phase: N/A
Study type: Interventional

Prospective, randomized trial comparing surgical, functional and oncological outcomes between clamp and clamp-less robot assisted partial nephrectomy.

NCT ID: NCT02098187 Completed - Acute Kidney Injury Clinical Trials

Pharmacokinetics of MP-3180 and Use of Noninvasive Fluorescence Detection Device in Healthy Volunteers

ORFM-1B
Start date: March 2014
Phase: Phase 1
Study type: Interventional

The purpose of this early feasibility study was to investigate the pharmacokinetics of MP-3180 administered in rising doses and to evaluate the use of the Optical Renal Function Monitor (ORFM), an investigational noninvasive fluorescence detection device.

NCT ID: NCT02098174 Completed - Acute Kidney Injury Clinical Trials

Pharmacokinetics of MP-3180 in Healthy Volunteers

Pilot 1A
Start date: November 2013
Phase: Phase 1
Study type: Interventional

The purpose of this study was to investigate the pharmacokinetics of MP-3180 (1 µmol/kg) compared to the pharmacokinetics of iohexol (5 mL of a 300 mg iodine (I)/mL solution) in healthy adult participants. The secondary objective was to evaluate the safety and tolerability of MP-3180 in healthy adult participants.

NCT ID: NCT01395719 Active, not recruiting - Acute Kidney Injury Clinical Trials

Context - Remote Ischemic Conditioning in Renal Transplantation - Effect on Immediate and Extended Kidney Graft Function

Context
Start date: June 2011
Phase: N/A
Study type: Interventional

The purpose of this study is to determine whether remote ischemic conditioning can improve the outcome after renal transplantation with deceased donor. Remote ischemic conditioning is performed on the patient receiving a kidney from a deceased donor. Remote ischemic conditioning is done during the operation by inflating a tourniquet on the patients leg before opening the blood circulation to the kidney. The study focus on both the immediate kidney function after the transplantation, but also on the extended kidney function one year after the transplantation.

NCT ID: NCT00999258 Recruiting - Clinical trials for Glomerular Filtration Rate

Impact of Conversion From Tacrolimus to Sirolimus in African American Renal Transplant Recipients

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

The objective of this study is to examine the effect on allograft function and histology of converting African American renal transplant recipients with chronic allograft nephropathy (CAN) from a tacrolimus-based regimen to a sirolimus-based maintenance immunosuppression regimen. The investigators hypothesize that the conversion from tacrolimus to sirolimus in African American renal recipients will stabilize or improve renal allograft function, and stabilize the histological progression of CAN. This conversion will have the potential to prolong long-term graft survival in African American renal transplant patients. GFR measurements, histological parameters on the allograft biopsy, as well as patient and graft survival, incidence of acute rejection, and specific side effects will be monitored and compared between the sirolimus conversion group and the patients who will be maintained on tacrolimus.

NCT ID: NCT00936416 Completed - Clinical trials for Glomerular Filtration Rate

Assessment of Renal Physiology by Magnetic Resonance Imaging (MRI) in Normal Volunteers

Start date: January 2010
Phase: N/A
Study type: Interventional

Estimation of Glomerular Filtration Rate (GFR) is the primary test used to assess patients with renal disease. Although serum creatinine based GFR and nuclear medicine based estimations are routinely used in clinical practice, GFR estimation by Inulin is the recommended gold standard. Inulin based estimation of GFR is cumbersome and time consuming. A decrease in blood flow to the kidney (Renal Blood Flow (RBF)) is known to cause a decrease in GFR. RBF is typically determined using radioactive tracers, contrast MRI or a cumbersome para-aminohippuric acid (PAH) clearance method. MRI based assessment of GFR and RBF have been suggested to provide reasonable accuracy. Most of these studies did not compare the GFR and RBF estimation directly to Inulin and PAH clearance which are ther gold standards . In this study we propose to estimate MRI based GFR estimation directly to Inulin and noncontrast MRI based derived RBF to PAH to assess if MRI is an accurate test of kidney function.