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Protein energy wasting (PEW) is characterized as a syndrome of adverse changes in nutrition and body composition being highly prevalent in patients with CKD, especially in those undergoing dialysis, and it is associated with high morbidity and mortality in this population. Multiple mechanisms are involved in the genesis of these adverse nutritional changes in CKD patients. There is no obvious distinction between PEW and cachexia from a pathophysiologic standpoint and should be considered as part of the spectrum of the same nutritional disorder in CKD with similar management approaches for prevention and treatment based on current understanding. A plethora of factors can affect the nutritional status of CKD patients requiring a combination of therapeutic approaches to prevent or reverse protein and energy depletion. At present, there is no effective pharmacologic intervention that prevents or attenuates muscle atrophy in catabolic conditions like CKD. Prevention and treatment of uremic muscle wasting involve optimal nutritional support, correction of acidosis, and physical exercise. There has been emerging consistent evidence that active treatment, perhaps by combining nutritional interventions and resistance exercise, may be able to improve but not totally reverse or prevent the supervening muscle wasting and weakness. Active research into more direct pharmacological treatment based on basic mechanistic research is much needed for this unmet medical need in patients with CKD.<\/jats:p>","DOI":"10.1111\/sdi.12832","type":"journal-article","created":{"date-parts":[[2019,7,9]],"date-time":"2019-07-09T01:43:37Z","timestamp":1562636617000},"page":"493-499","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":69,"title":["Cachexia\/Protein energy wasting syndrome in CKD: Causation and treatment"],"prefix":"10.1111","volume":"32","author":[{"given":"Eduardo A.","family":"Oliveira","sequence":"first","affiliation":[{"name":"Division of Pediatric Nephrology Rady Children\u2019s Hospital San Diego, University of California San Diego California"},{"name":"Pediatric Nephrourology Division, Department of Pediatrics, School of Medicine Federal University of Minas Gerais (UFMG) Minas Gerais 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