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Cisplatin-induced anorexia and ghrelin.

Abstract
Cisplatin, a formidable anticancer treatment, is used for several varieties of cancer. There are, however, many cases in which treatment must be abandoned due to a decrease in the patient's quality of life from loss of appetite associated with vomiting and nausea. There is a moderate degree of improvement in prevention of cisplatin-induced nausea and vomiting when serotonin (5-HT) 3 receptor antagonists, neurokinin 1 receptor antagonists, and steroids-either alone or in combination-are administered. The mechanism of action for anorexia, which continues during or after treatment, is, however, still unclear. This anorexia is, similar to the onset of vomiting and nausea, caused by the action of large amounts of 5-HT released as a result of cisplatin administration on tissue 5-HT receptors. Among the 5-HT receptors, the activation of 5-HT2b and 5-HT2c receptors, in particular, seems to play a major role in cisplatin-induced anorexia. Following activation of these two receptors, there is reduced gastric and hypothalamic secretion of the appetite-stimulating hormone ghrelin. There is ample evidence of the usefulness of exogenous ghrelin, synthetic ghrelin agonists, and the endogenous ghrelin signal-enhancer rikkunshito, which are expected to play significant roles in the clinical treatment and prevention of anorexia in future.
AuthorsTomohisa Hattori, Koji Yakabi, Hiroshi Takeda
JournalVitamins and hormones (Vitam Horm) Vol. 92 Pg. 301-17 ( 2013) ISSN: 0083-6729 [Print] United States
PMID23601430 (Publication Type: Journal Article, Review)
CopyrightCopyright © 2013 Elsevier Inc. All rights reserved.
Chemical References
  • Drugs, Chinese Herbal
  • Ghrelin
  • liu-jun-zi-tang
  • Cisplatin
Topics
  • Animals
  • Anorexia (chemically induced, drug therapy)
  • Cisplatin (adverse effects)
  • Drugs, Chinese Herbal (metabolism)
  • Ghrelin (agonists, therapeutic use)
  • Humans

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