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Nathan Goodyear

Phase I safety trial of intravenous ascorbic acid in patients with severe sepsis - 1 views

  • Padayatty and colleagues showed that high-level ascorbic acid plasma concentrations could only be achieved by intravenous administration
  • No patient in the low or high dose ascorbic acid treatment arms of this study suffered any identifiable adverse event
  • a pharmacologic ascorbic acid treatment strategy in critically ill patients with severe sepsis appears to be safe
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  • subnormal plasma ascorbic acid levels are a predictable feature in patients with severe sepsis
  • Ascorbic acid depletion in sepsis results from ascorbic acid consumption by the reduction of plasma free iron, ascorbic acid consumption by the scavenging of aqueous free radicals (peroxyl radicals), and by the destruction of the oxidized form of ascorbic acid dehydroascorbic acid
  • Sepsis further inhibits intracellular reduction of dehydroascorbic acid, producing acute intracellular ascorbic acid depletion
  • Ascorbic acid treated patients in this study exhibited rapid and sustained increases in plasma ascorbic acid levels using an intermittent every six hours administration protocol
  • Septic ascorbic acid-deficient neutrophils fail to undergo normal apoptosis. Rather, they undergo necrosis thereby releasing hydrolytic enzymes in tissue beds, thus contributing to organ injury
  • We speculate that intravenous ascorbic acid acts to restore neutrophil ascorbic acid levels
  • Repletion of ascorbic acid in this way allows for normal apoptosis, thus, preventing the release of organ damaging hydrolytic enzymes.
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    Study finds IV vitamin C in patients with sepsis is very safe and blunts the effects (endothelial damage, end organ damage...) of sepsis.  Of note, the IV vitamin C group reached serum levels of ascorbic acid of 1,592 to 5,722 micromol/L.  The IV groups maintained elevated serum C levels for up to 96 hours post infusion.  
Nathan Goodyear

Pharmacologic ascorbic acid concentrations selectively kill cancer cells: Action as a p... - 0 views

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    IV vitamin C and IV vitamin C only can deliver levels to tumor cells that induce formation of H2O2 that then induces cell death.
Nathan Goodyear

JTM | Full text | Effect of high-dose intravenous vitamin C on inflammation in cancer p... - 0 views

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    high dose IV vitamin C shown to reduce inflammatory and tumor markers in cancer patients.
Nathan Goodyear

PLoS ONE: Vitamin C: Intravenous Use by Complementary and Alternative Medicine Practiti... - 0 views

  • high dose intravenous vitamin C appears to be remarkably safe
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    IV vitamin C therapy is a safe delivery route for high dose vitamin C
Nathan Goodyear

Effect of high dose vitamin C on Epstein-Barr viral infection - 0 views

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    IV vitamin C shown to reduce EBV EA IgG and EBV VCA IgM using 7.5 grams to 50 gram infusions.  This protocol found that Magnesium reduced discomfort with the IVC therapy.
Nathan Goodyear

False Positive finger stick blood glucose readings after high-dose intravenous vitamin C - 0 views

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    IV vitamin C > 15 grams falsely elevates finger sticks on glucose. Glucose and vitamin C are very similar chemically. This, however, is a false reading.
Nathan Goodyear

http://onlinelibrary.wiley.com/store/10.1002/hep.21080/asset/21080_ftp.pdf;jsessionid=C... - 0 views

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    small study looked at patients with liver cirrhosis.  The authors used a low dose of IV vitamin C (5 grams) and found that this improved endothelial dysfunction.  Patients with cirrhosis were found to be low in vitamin C.  The IV vitamin C was well tolerated, despite a low dose.
Nathan Goodyear

Intravenously administered vitamin C as cancer therapy: three cases -- Padayatty et al.... - 0 views

  • high-dose vitamin C, given by intravenous and oral routes, may improve symptoms and prolong life in patients with terminal cancer
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    High-dose IV vitamin C benefits cancer patients:review of 3 case studies
Nathan Goodyear

Acute Hepatitis Treated with High Doses of Vitamin C - 0 views

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    Old case study of IV vitamin C, not high dose, used to treat acute case of hepatitis C.
Nathan Goodyear

The Beneficial Effects of Antioxidant Supplementation in Enteral Feeding in Critically ... - 0 views

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    IV vitamin C and vitamin E was found to lower the mortality rate in those with critical illness at the 28 day mark.  This study showed the safety and efficacy of IV vitamin C and vitamin E in those critically ill.
Nathan Goodyear

European Journal of Clinical Nutrition - C-reactive protein concentration and concentra... - 0 views

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    This study shows that inflammation, CRP in this study, was inversely associated with low antioxidants ie. vitamin C.  This makes since as ROS are known to stimulate inflammation.  Vitamin C should be considered as a therapeutic option in those with inflammation.
Nathan Goodyear

High-dose intravenous vitamin C in the treatment of a patient with renal cell carcinoma... - 0 views

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    This is a case study of a patient with cancer of the kidney treated with vitamin C. Therapy was obviously successive in obtaining remission.
Nathan Goodyear

Clinical and experimental experiences with intravenous vitamin C - 0 views

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    Nice review of the cytotoxicity of malignant cells with IV vitamin C.
Nathan Goodyear

Intravenous Vitamin C Administration Improves Quality of Life in Breast Cancer Patients... - 0 views

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    IV vitamin C shown to improve quality of life measures in breast cancer patients during chemo/radiation.  What this shows, is that IV vitamin C is not only safe for healthy individuals, but healthy for cancer patients.
Nathan Goodyear

Intravenously administered vitamin C as cancer therapy: three cases - 0 views

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    high dose IV vitamin C therapy shown to benefit patients with cancer.  Three cases documented vitamin C therapy in patients with cancer
Nathan Goodyear

Researchers establish benefits of high-dose vitamin C for ovarian cancer patients - 0 views

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    statement from KU on their new study on IV vitamin C in stage III and IV ovarian cancer.
Nathan Goodyear

Intravenous vitamin C administration improve... [In Vivo. 2011 Nov-Dec] - PubMed - NCBI - 0 views

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    IV vitamin C in women with breast CA in Germany found to benefit from less side effects and improved quality of life in those receiving chemo/radiation.  Again, IV vitamin C proven to be well tolerated in very ill individuals.
Nathan Goodyear

Pharmacological ascorbate induces cytotoxic... [Anticancer Drugs. 2012] - PubMed - NCBI - 0 views

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    IV vitamin C induces cell death of prostate cancer cell lines via H2O2, which is not new, but what is new is the ascorbate-insensitive cell line.
Nathan Goodyear

MECHANISMS OF ASCORBATE-INDUCED CYTOTOXICITY IN PANCREATIC CANCER - 0 views

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    Good discussion of the mechanism of action of IV vitamin C in cancer therapy.
Nathan Goodyear

Increasing the Effectiveness of Intravenous Vitamin C as an Anticancer Agent - ISOM - 0 views

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    Good review of ways to increase the anti-cancer efficacy of IV vitamin C.
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