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The purpose of this study is to evaluate the benefit of a mouthwash with a phytopharmaceutical preparation, Homeodent®, compared to a mouthwash solution containing sodium bicarbonate, for prevention of severe mucositis (grade ≥3, RTOG classification) in patients receiving irradiation for oral cavity, oropharynx, hypopharynx or cavum cancer.
This is a phase III, controlled, randomized, single blind study. The estimated inclusion period is approximately 24 months. The number of patients required in this monocentric study is 330 (165 per arm).
The standard treatment of oral cavity, oropharynx, hypopharynx, and cavum cancers is external radiotherapy. However, one of the associated toxicities is the occurrence of mucositis which can be a limiting factor in the treatment (dose reduction or treatment interruption can limit patient's survival), patient's quality of life decreases and severe complications can occur. The treatment of mucositis is mainly symptomatic; a randomized study has shown a benefit of a mouthwash with Benzydamine, a non steroidal anti-inflammatory drug, for patients receiving 50-Gy radiation. Another study with a lower number of patients has also shown a benefit of using a zinc sulfate solution. Boiron laboratories have developed a phytopharmaceutical preparation, Homeodent®, which has no secondary effects and which could prevent radiation-induced mucositis. This study will evaluate the efficiency of mouthwash with Homeodent® in a large randomized trial.
Allocation: Randomized, Control: Active Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Investigator), Primary Purpose: Prevention
Homeodent®, 1.4% Sodium Bicarbonate solution
Centre Léon Bérard
Centre Leon Berard
Published on BioPortfolio: 2014-08-27T03:16:00-0400
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Bicarbonate transporters that move BICARBONATE IONS in exchange of CHLORIDE IONS or SODIUM IONS across membranes. They regulate acid-base HOMEOSTASIS, cell volume and intracellular pH. Members include CHLORIDE-BICARBONATE ANTIPORTERS (SLC4A1, 2, 3, and 9); SODIUM-COUPLED BICARBONATE TRANSPORTERS (SLC4A4 and 5, 7, 8 and 10); and a sodium borate cotransporter (SLC4A11 protein).
Proteins that cotransport sodium ions and bicarbonate ions across cellular membranes.
Hypertonic sodium chloride solution. A solution having an osmotic pressure greater than that of physiologic salt solution (0.9 g NaCl in 100 ml purified water).
Membrane proteins that allow the exchange of chloride ions for bicarbonate ions across the cellular membrane. The action of specific antiporters in this class serve important functions such as allowing the efficient exchange of bicarbonate across red blood cell membranes as they passage through capillaries and the reabsorption of bicarbonate ions by the kidney.
Tumors or cancer of the OROPHARYNX.
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Head and neck cancers
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