Results 41 to 50 of about 19,092,512 (177)

Chemical reactions of vitamin C with intravenous-iron formulations [PDF]

Nephrology Dialysis Transplantation, 2007
Intravenous (IV) iron is widely prescribed for patients on haemodialysis, to replace iron losses during treatment. It releases labile iron, which can induce oxidation of vitamin C and trigger oxidant damage. We examined the stability of vitamin C in the presence of IV iron compounds.
Suxin, Wang, Gina, Geraci, Martin K, Kuhlmann, Nathan W, Levin, Garry J, Handelman   +4 more
openaire   +2 more sources

Vitamin C Intervention for Critical COVID-19: A Pragmatic Review of the Current Level of Evidence

Life, 2021
Severe respiratory infections are characterized by elevated inflammation and generation of reactive oxygen species (ROS) which may lead to a decrease in antioxidants such as vitamin C and a higher requirement for the vitamin.
Patrick Holford, Anitra C. Carr, Masuma Zawari, Marcela P. Vizcaychipi   +3 more
doaj   +1 more source

The relationship between COVID-19 and blood vitamin C; a systematic review study [PDF]

Journal of Preventive Epidemiology, 2021
Introduction: The rapid worldwide spread of COVID-19 has caused a global health crisis. Unfortunately, no vaccine or special antiviral drug has been developed against COVID-19 to date, symptomatic supportive care has been the most common treatment ...
Sadeq Hosseinpour, Nasrin Moradi, Reyhane Izadi, Shahrzad Shadabi, Raheleh Behzadi, Masoumeh Sadat Mousavi, Abuzar Shirazi, Ebrahim Moayedi   +7 more
doaj   +1 more source

Ascorbic acid concentrations in aqueous humor after systemic vitamin C supplementation in patients with cataract: pilot study

BMC Ophthalmology, 2017
Background To measure ascorbic acid concentration in aqueous humor of patients with cataract after oral or intravenous vitamin C supplementation. Methods Forty-two eyes of 42 patients with senile cataract who underwent uncomplicated cataract surgery were
Young-Sool Hah, Hye Jin Chung, Sneha B. Sontakke, In-Young Chung, Sunmi Ju, Seong-Wook Seo, Ji-Myong Yoo, Seong-Jae Kim   +7 more
doaj   +1 more source

Evaluation of the effect of high dose intravenous vitamin C on delayed allograft function in deceased donor kidney transplantation: a preliminary report

Renal Replacement Therapy, 2020
Background Delayed graft function (DGF) can affect short- and long-term allograft outcomes in kidney transplant recipients. One of the pathophysiological pathways in the occurrence of DGF is ischemia-reperfusion injury (IRI).
Mina Borran, Simin Dashti-Khavidaki, Azam Alamdari, Neda Naderi, Farzanehsadat Minoo   +4 more
doaj   +1 more source

Pharmacokinetics and efficacy of oral versus intravenous mixed-micellar phylloquinone (vitamin K-1) in severe acute liver disease [PDF]

, 2005
Background/Aims: In patients with severe acute liver dysfunction, i.v. phylloquinone (vitamin K-1) may be given to exclude vitamin K deficiency, rather than impaired hepatic synthesis of coagulation factors alone, as the cause of the coagulopathy ...
Pereira, SP, David Rowbotham, Stephen P. Pereira, Sarah Fitt, Fitt, S, Pereira, S P, Wendon, J, Roger Williams, Williams, R, Julia Wendon, Rowbotham, D, Martin J. Shearer, Shearer, MJ, Shearer, M J   +13 more
core   +1 more source

Early high-dose vitamin C in post-cardiac arrest syndrome (VITaCCA): study protocol for a randomized, double-blind, multi-center, placebo-controlled trial

Trials, 2021
Background High-dose intravenous vitamin C directly scavenges and decreases the production of harmful reactive oxygen species (ROS) generated during ischemia/reperfusion after a cardiac arrest.
Sander Rozemeijer, Harm-Jan de Grooth, Paul W. G. Elbers, Armand R. J. Girbes, Corstiaan A. den Uil, Eric A. Dubois, Evert-Jan Wils, Thijs C. D. Rettig, Arthur R. H. van Zanten, Roel Vink, Bas van den Bogaard, Rob J. Bosman, Heleen M. Oudemans-van Straaten, Angélique M. E. de Man   +13 more
doaj   +1 more source

Intravenously administered vitamin C as cancer therapy: three cases [PDF]

Canadian Medical Association Journal, 2006
Early clinical studies showed that high-dose vitamin C, given by intravenous and oral routes, may improve symptoms and prolong life in patients with terminal cancer. Double-blind placebo-controlled studies of oral vitamin C therapy showed no benefit.
Sebastian J, Padayatty, Hugh D, Riordan, Stephen M, Hewitt, Arie, Katz, L John, Hoffer, Mark, Levine   +5 more
openaire   +2 more sources

Vitamin C and K3 Combination Causes Enhanced Anticancer Activity against RT-4 Bladder Cancer Cells [PDF]

, 2013
Introduction: Vitamin C (VC), Vitamin K3 (VK3) and the combination (VC:VK3) were evaluated against human bladder cancer cell lines RT-4 and T24 to evaluate their synergistic anticancer activity.
Gilloteaux, Jacques, Summers, Jack, Jamison, James, McGuire, Karen   +3 more
core   +1 more source

No significant benefit of moderate-dose vitamin C on severe COVID-19 cases

Open Medicine, 2021
There is no specific drug for coronavirus disease 2019 (COVID-19). We aimed to investigate the possible clinical efficacy of moderate-dose vitamin C infusion among inpatients with severe COVID-19.
Zheng Shaoping, Chen Qiaosen, Jiang Hongbo, Guo Chunxia, Luo Jinzhuo, Li Sumeng, Wang Hua, Li Huadong, Zheng Xin, Weng Zhihong   +9 more
doaj   +1 more source