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Pegargiminase (also known as pegylated arginine deiminase) is an investigational drug used in arginine deprivation therapy for treating cancers deficient in argininosuccinate synthetase 1 (ASS1).
Only the l-arginine (symbol Arg or R) enantiomer is found naturally. [1] Arg residues are common components of proteins. It is encoded by the codons CGU, CGC, CGA, CGG, AGA, and AGG. [2] The guanidine group in arginine is the precursor for the biosynthesis of nitric oxide. [3] Like all amino acids, it is a white, water-soluble solid.
Notably, over 70% of tumors show reduced ASS1 transcription, making these cancer cells reliant on external sources of arginine, which forms the basis of arginine-deprivation therapy. [ 8 ] The investigational drug pegargiminase that degrades arginine is currently in trials for the treatment of ASS1 deficient cancers.
A number of injectable arginine vasopressins are in clinical use in the United States and the European Union. Pitressin among others, is a medication most commonly used in the treatment of frequent urination, increased thirst, and dehydration such as that resulting from diabetes insipidus, which causes increased and diluted urine.
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Arginine/lysine, sold under the brand name Lysakare, is a fixed-dose combination medication used to protect the kidneys from radiation damage during cancer treatment with a radioactive medicine called lutetium (177 Lu) oxodotreotide. [2] It contains L-arginine hydrochloride and L-lysine hydrochloride. [2]
The Beers Criteria for Potentially Inappropriate Medication Use in Older Adults, commonly called the Beers List, [1] are guidelines published by the American Geriatrics Society (AGS) for healthcare professionals to help improve the safety of prescribing medications for adults 65 years and older in all except palliative settings.
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