Excessive free radical formation and depletion of the brain's primary antioxidant, glutathione, are established components of Parkinson's disease (PD) pathophysiology. While there is rationale for the therapeutic use of reduced glutathione (GSH) in PD, and even some preliminary evidence to suggest the use of GSH can lead to symptomatic improvement, obstacles surrounding currently employed delivery methods have hindered the clinical utility of this therapy. Intranasal GSH, (in)GSH, is a novel method of glutathione augmentation. The aim of this study is to evaluate whether 200 mg of (in)GSH results in measurable changes in brain glutathione concentrations, as measured by magnetic resonance spectroscopy (MRS) in 15 individuals with PD.

Start Date01 Dec 2014

Sponsor / Collaborator

University of Washington

[+1]

NCT01344174 / Unknown statusNot ApplicableIIT

A Randomized, Open Label Study Evaluating the Efficacy and Safety of Glucocorticoids in Patients With Pre-ACLF-HBV

This is a randomized, open label study evaluating the efficacy and safety of glucocorticoids in patients with HBV associated pre-ACLF.
Sponsor: Department of infectious diseases, Southwest Hospital.
Indication: HBV associated acute-on-chronic pre-liver failure(pre-ACLF-HBV).
Objective: To evaluate the efficacy and safety of glucocorticoids in patients with pre-ACLF-HBV.
Trial Design: Randomized, open label study. Patients with pre-ACLF-HBV will be randomized 1:1 to One of the two groups:
A)Dexamethasone 10mg were intravenously injected po daily for the first 5 days, in combination with continued lamivudine 100mg po daily and traditional supporting treatments for 13 weeks. B)Control group. Any glucocorticoids will be not given in all patients. Continued lamivudine 100mg po daily and traditional supporting treatments will be given for 13 weeks.
Number of patients: Approximate number of patients to be randomized: N=200 (100 patients in each group).
Length of study: Screening period: 3 days; treatment period: 13 weeks.
Duration of study: 30 months after first patient randomized, including an recruitment period of 26 months.
Investigational treated regimen:Dexamethasone 10mg, iv, once day for 5 days.
Concomitant and Comparative regimen: Lamivudine 100mg po daily, traditional supporting treatments.
Assessments of Efficacy Primary endpoint: the survival rate at week 13. Secondary endpoint:①The levels of serum T-Bil ≤ 51.3µmol/L;②PTA >80%.
Safety: Adverse events, vital signs, and laboratory tests.
Procedures(summary): After signing informed consent and meeting screening parameters, patients will be randomized to one of the two treatment groups as described under trial design above. After randomization patients will be seen for evaluation at days 5,10,14,21,28,42,56,70,84,91.
Statistical analysis: Assume 1:1 randomization. The sample size is calculated for the primary efficacy variable, the survival rate. Assuming the survival rate equals to: 90% for group A and 50% for group B. 100 patients in each group are required to yield a 80% chance of detecting such a difference when a two-tailed test is employed at the 0.05 significance levels. Every eligible subject will be assigned with a randomization code and receive one of the two treatments, according to the sequence of enrolled.

Start Date01 May 2011

Sponsor / Collaborator

Third Military Medical University

100 Clinical Results associated with Reduced Glutathione Sodiu

100 Translational Medicine associated with Reduced Glutathione Sodiu

100 Patents (Medical) associated with Reduced Glutathione Sodiu

Literatures (Medical) associated with Reduced Glutathione Sodiu

01 Jan 1993·Molecular and cellular biochemistryQ3 · BIOLOGY

Effect of stress on the antioxidant enzymes and gastric ulceration

Q3 · BIOLOGY

Article

Author: Ranajit K. Banerjee ; Dipak Das

The effect of cold-restraint stress on the antioxidant enzymes of the rat gastric mucosa was studied with a view to finding out their role in stress induced gastric ulceration. Histological examination revealed stress induced extensive damage of the surface epithelial cell with lesions extending up to submucosa in some cases. Stress causes time-dependent increase in histamine and pepsin content but decrease in acid content of the gastric fluid with the progress of ulceration (ulcer index) for two hours. The tissue lipid peroxidation was significantly increased as evidenced by accumulation of malondialdehyde. Since lipid peroxidation results from the generation of reactive oxygen species, stress effect was studied on some antioxidant enzymes such as superoxide dismutase, peroxidases and prostaglandin synthetase as a function of time. The time dependent increase in stress ulcer correlates well with the concomitant increase in superoxide dismutase activity and decrease in peroxidase and prostaglandin synthetase activity. This creates a favourable condition for accumulation of endogenous H2O2 and more reactive hydroxyl radical (OH.). Administration of antioxidants such as reduced glutathione or sodium benzoate prior to stress causes significant decrease in ulcer index and lipid peroxidation and protection of gastric peroxidase activity suggesting the involvement of reactive oxygen species in stress induced gastric ulceration. This is supported by the in vitro observation that OH. can also inactivate peroxidase and induce lipid peroxidation. As prostaglandin is known to offer cytoprotection, stress-induced loss of prostaglandin synthetase activity appears to aggravate the oxidative damage caused by reactive oxygen species.

01 Jan 1992·NephronQ4 · MEDICINE

Anemia and Chronic Renal Failure: A Therapeutical Approach by Reduced Glutathione Parenteral Administration

Q4 · MEDICINE

Article

Author: de Vincentiis, A ; Scibelli, G ; Di Benedetto, A ; Romano, L ; Costagliola, C ; Sorice, P

Authors report on the effect of reduced glutathione parenterally administered on the anemic status in patients suffering from chronic renal failure and undergoing hemodialysis. Twenty patients were studied for 180 days and were divided into two age- and sex-matched groups. The first group (10 patients) received placebo, the second group (10 patients) received the treatment (1,200 mg of reduced glutathione). Reduced glutathione and placebo were given for 120 days in a randomized double-blind fashion and the following measurements were performed: red blood cells reduced and oxidized glutathione, plasma reduced and oxidized glutathione, hematocrit, hemoglobin, reticulocytes, serum iron, transferrin, indirect bilirubin, urea, creatinine, calcium, phosphate, parathyroid hormone and alkaline phosphatase. In the treated group, during the supplementation period, there was an increase in the levels of red blood cells and plasma reduced glutathione, hematocrit and hemoglobin and a concomitant decrease in plasma oxidized glutathione and reticulocytes with a maximum effect on the 120th day of therapy. In the placebo-treated group there were no significant variations of the parameters considered during the study period. When the therapy, on patients undergoing treatment, was terminated there was a drop in the analyzed parameters, which fell to pretreatment values at the subsequent controls. These findings seem to indicate that reduced glutathione could represent a useful drug in the treatment and management of anemia in patients affected by chronic renal failure.

01 Oct 1989·The British journal of ophthalmologyQ2 · MEDICINE

Endothelial cell damage in human and rabbit corneas stored in K-Sol without antioxidants.

Q2 · MEDICINE

Article

Author: Beuerman, R W ; Reddy, T S ; Kaufman, H E ; Bazan, N G ; Varnell, E D

Human and rabbit corneas were stored at 4 degrees C in K-Sol with and without antioxidants (ascorbic acid, reduced glutathione, alpha-tocopherol, and retinol acetate) for two to three weeks. All the corneas were then examined visually and by scanning electron microscopy. They appeared clear and slightly oedematous. Scanning electron micrographs were used to grade corneal endothelial cell morphology in a masked manner in terms of cell shape, cell borders, cell swelling, and apical holes. Corneas stored in K-Sol without antioxidants showed changes in cell shape, cell borders, and apical holes. Human corneas showed more morphological changes than rabbit corneas. The results suggest that antioxidants in K-Sol have an important role in the preservation of endothelial cell morphology.

100 Deals associated with Reduced Glutathione Sodiu

R&D Status

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Indication	Country/Location	Organization	Date
Anemia	CN	-	08 Jan 2004
Fatty Liver, Alcoholic	CN	-	08 Jan 2004
Hepatitis, Alcoholic	CN	-	08 Jan 2004
Liver Cirrhosis, Alcoholic	CN	-	08 Jan 2004
Liver Diseases	CN	-	08 Jan 2004
Respiratory Distress Syndrome, Adult	CN	-	08 Jan 2004
Sepsis	CN	-	08 Jan 2004

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