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Longitudinal study of cognitive dysfunctions induced by adjuvant chemotherapy in colon cancer patients

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Cruzado Rodríguez, Juan Antonio and López Santiago, Sonia and Martínez Marín, Virginia and José Moreno, Gema and Custodio, Ana Belén and Feliu, Jaime (2014) Longitudinal study of cognitive dysfunctions induced by adjuvant chemotherapy in colon cancer patients. Supportive Care in Cancer, 22 (7). pp. 1815-1823. ISSN 0941-4355

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Official URL: http://dx.doi.org/10.1007/s00520-014-2147-x





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BACKGROUND: Chemotherapy can induce cognitive impairment in cancer patients. The main goal of this longitudinal study was to determine the incidence, characteristics, and duration of cognitive dysfunction in patients treated with adjuvant chemotherapy for colon cancer. PATIENTS AND METHODS: We assessed cognitive function, quality of life, anxiety and depression, fatigue, and hemoglobin levels in colon cancer patients at three assessment points: pre-chemotherapy (n=81), post-chemotherapy (n=73), and after 6-month follow-up (n=54). All patients were treated with oxaliplatin plus 5-fluorouracil/leucovorin (FOLFOX4) for 6 months. RESULTS: Thirty patients (37%) had cognitive impairment in the pre-chemotherapy evaluation, mainly in processing speed and psychomotor executive function (Trail Making Test A and B). At the end of treatment, the main domain affected was the verbal memory, with an acute decline detected in 56% of patients. Fifty-four percent of the patients improved their dysfunction after 6 months of follow-up, whereas 18 (33%) of them showed worsening in at least one test. Cognitive impairment was most common in older patients and in those with less years of education. Quality of life, anxiety, depression, fatigue, and hemoglobin did not influence the results of the cognitive tests. CONCLUSIONS: Adjuvant FOLFOX4 in patients with colon cancer can have a negative effect on verbal memory. This deterioration is usually mild and transient.

Item Type:Article
Uncontrolled Keywords:Cognitive impairment, Memory, Neuropsychological tests, Chemotherapy Colon cancer
Subjects:Medical sciences > Medicine > Oncology
Medical sciences > Psychology > Clinical psychology and psychodiagnostics
ID Code:38259
Deposited On:05 Jul 2016 11:51
Last Modified:18 Jul 2016 07:31

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