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Study of High Dose Intravenous (IV) Ascorbic Acid in Measurable Solid Tumor Disease

2014-08-27 03:13:39 | BioPortfolio

Summary

The study is designed to determine if high doses of intravenous ascorbic acid (vitamin C) can be effective in managing solid tumor diseases. Secondary goals are determination of any palliative effects and improvement of quality of life of patients.

Description

Ascorbic acid has demonstrated selective cytotoxicity in cancer cells in vitro, while sparing normal cells from its peroxidative effects. This study will examine the effect, if any, of the drug when dosed in patients at a level sufficient to achieve transient serum states of 400mg/dl. Safety of the drug has been shown in a Phase I study when dosed as high as 1.5gm/kg. Patients will be treated twice weekly for 12 weeks (24-cycles) and evaluated for response using RECIST criteria. Patients showing stable disease or objective response will remain on study for up to one year or until absence of measurable disease or disease progression.

Study Design

Allocation: Non-Randomized, Control: Active Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Conditions

Sarcoma

Intervention

Ascorbic acid (vitamin C)

Location

Situs Cancer Research Center
Rogers
Arkansas
United States
72756

Status

Not yet recruiting

Source

Situs Cancer Research Center

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:13:39-0400

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PubMed Articles [7598 Associated PubMed Articles listed on BioPortfolio]

Hormetic dose response to -ascorbic acid as an anti-cancer drug in colorectal cancer cell lines according to SVCT-2 expression.

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Ascorbic acid leads to glycation and interferes with neurite outgrowth.

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Current challenges facing one-step production of l-ascorbic acid.

l-ascorbic acid (L-AA, vitamin C) is an essential vitamin that is widely used as a nutrient or medicine in the pharmaceuticals, cosmetics, food, beverage and feed additive industries, and accounts for...

Cis-dioxo-bis 3-methoxy-2,2-dimethylpropanediamine Molybdenum/Surfactant-Modified Electrode for Simultaneous Sensing of Ascorbic Acid and Dopamine.

In this work, the carbon paste electrode (CPE) was modified using the cis-dioxo-bis[3-methoxy-2,2-dimethylpropanediamine] molybdenum(VI) complex and 1-octanaminium,N,N,N-trioctyl bromide. Using the mo...

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Medical and Biotech [MESH] Definitions

A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.

A condition due to a dietary deficiency of ascorbic acid (vitamin C), characterized by malaise, lethargy, and weakness. As the disease progresses, joints, muscles, and subcutaneous tissues may become the sites of hemorrhage. Ascorbic acid deficiency frequently develops into SCURVY in young children fed unsupplemented cow's milk exclusively during their first year. It develops also commonly in chronic alcoholism. (Cecil Textbook of Medicine, 19th ed, p1177)

Membrane transport proteins that actively co-transport ASCORBIC ACID and sodium ions across the CELL MEMBRANE. Dietary absorption of VITAMIN C is highly dependent upon this class of transporters and a subset of SODIUM GLUCOSE TRANSPORTERS which transport the oxidized form of vitamin C, DEHYDROASCORBIC ACID.

A lipid cofactor that is required for normal blood clotting. Several forms of vitamin K have been identified: VITAMIN K 1 (phytomenadione) derived from plants, VITAMIN K 2 (menaquinone) from bacteria, and synthetic naphthoquinone provitamins, VITAMIN K 3 (menadione). Vitamin K 3 provitamins, after being alkylated in vivo, exhibit the antifibrinolytic activity of vitamin K. Green leafy vegetables, liver, cheese, butter, and egg yolk are good sources of vitamin K.

An acquired blood vessel disorder caused by severe deficiency of vitamin C (ASCORBIC ACID) in the diet leading to defective collagen formation in small blood vessels. Scurvy is characterized by bleeding in any tissue, weakness, ANEMIA, spongy gums, and a brawny induration of the muscles of the calves and legs.

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