摘要：

Disclosed are compositions and methods for alleviating mucositis, wherein said methods and compositions are directed to the formulation or use of selected nucleoside derivatives, especially ADP-ribose, that conform to the general formula A-B-X and pharmaceutically acceptable salts thereof, wherein "A" is a nucleoside structure selected from adenosine, guanosine, and uridine; "B" is a diphosphate linkage attached to the 5′ carbon of the nucleoside ribose moiety; and "X" is attached to B an is a moiety selected from hydrogen, furanose, or pyranose. Also disclosed are pharmaceuticals and nutritional liquid embodiments thereof, including lozenges, mouthwashes, or other product forms that effectively coat the oral, laryngeal or other mucosal areas. It has been found that these compositions and methods effectively alleviate mucositis in susceptible individuals, especially when administered prior to, during, or after treatments commonly associated with the development of mucositis such as certain chemotherapies, radiation therapies, or combinations thereof.

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