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Anamorelin has become available for cancer-associated cachexia, but early discontinuation is common in clinical practice. This study aimed to explore factors related to the early discontinuation of anamorelin and its relationship to survival.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Patients and methods<\/jats:title>\n                <jats:p>This prospective, observational study of multimodal clinical practice involved patients who took anamorelin (100 mg) for cancer-associated cachexia at Aichi Medical University Hospital between 14 May 2021 and 31 March 2022. In July 2022, clinical data were extracted from electronic clinical records. Patients who discontinued anamorelin less than 4 weeks after initiation were defined as the early discontinuation group, and their clinical data and survival time were compared with those of the continuation group. This study was approved by the Ethics Committee of the university (approval no. 2021-124).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>Of the 42 patients treated with anamorelin, 40 (median age 72.5 years, median BMI 18.7 kg\/m<jats:sup>2<\/jats:sup>) were analyzed, including 13 with non-small cell lung cancer, and 12 with pancreatic, 8 with colorectal, and 7 with gastric cancers. On univariate analysis, the early discontinuation group included more patients with worse performance status (PS) (<jats:italic>p<\/jats:italic>=0.028), low prognostic nutritional index (PNI) (<jats:italic>p<\/jats:italic>=0.001), and no concomitant anticancer drugs (<jats:italic>p<\/jats:italic>=0.003). On multivariate analysis, PS and PNI were related to anamorelin continuation. Survival time was significantly shorter in the early discontinuation group (<jats:italic>p<\/jats:italic>=0.039).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>Worse PS and low PNI were associated with early discontinuation of anamorelin. Longer survival time was observed in the continuation group.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00520-023-08097-4","type":"journal-article","created":{"date-parts":[[2023,10,10]],"date-time":"2023-10-10T05:01:38Z","timestamp":1696914098000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Factors associated with early discontinuation of anamorelin in patients with cancer-associated cachexia"],"prefix":"10.1007","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9861-9730","authenticated-orcid":false,"given":"Ikuto","family":"Tsukiyama","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takashi","family":"Iwata","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tomoko","family":"Takeuchi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ryoko Inuzuka","family":"Kato","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masaki","family":"Sakuma","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sumiyo","family":"Tsukiyama","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mana","family":"Kato","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoshiaki","family":"Ikeda","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wataru","family":"Ohashi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akihito","family":"Kubo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Naoharu","family":"Mori","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2023,10,10]]},"reference":[{"key":"8097_CR1","doi-asserted-by":"publisher","first-page":"17105","DOI":"10.1038\/nrdp.2017.105","volume":"4","author":"VE Baracos","year":"2018","unstructured":"Baracos VE, Martin L, Korc M, Guttridge DC, Fearon KCH (2018) Cancer-associated cachexia. 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