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Erschienen in:
01.04.2016 | Original Article
Effects of adjuvant chemotherapy on recurrence, survival, and quality of life in stage II colon cancer patients: a 24-month follow-up
Erschienen in: Supportive Care in Cancer | Ausgabe 4/2016
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Purpose
The purpose of this cohort study was to investigate the association of adjuvant chemotherapy with quality of life (QoL), survival, and recurrence over the 24 months following diagnosis in stage II colon cancer patients.
Methods
Overall, 453 patients were recruited from North Carolina from 2009 to 2011 and interviewed with a closed-ended survey detailing quality of life, health behaviors, treatment, and cancer recurrence at three times points: diagnosis, 12-, and 24-months post-diagnosis; mortality was obtained via the National Death Index.
Results
In sum, 265 patients received chemotherapy. Receipt of chemotherapy exhibited an inverse association with total Functional Assessment of Cancer Treatment (FACT)-General (P < 0.01), FACT-Colorectal (P < 0.01), physical (P < 0.01), emotional (P = 0.02), and functional (P < 0.01) well-being; the inverse association between receiving chemotherapy and emotional well-being persisted for Caucasians but not African Americans (P
interaction = 0.049). Those who received chemotherapy demonstrated significantly higher odds of cancer recurrence (odds ratio (OR) 2.74; 95 % confidence interval (CI) 1.18, 6.35) and all-cause mortality (OR: 1.95; 95 % CI: 1.05, 3.62).
Conclusions
In this study, stage II colon cancer patients who received chemotherapy treatment were more likely to have poor QoL, recurrence, and all-cause mortality after 24 months compared to those who did not receive chemotherapy. Future research focusing on subtypes of chemotherapy treatment, as well as a longer follow-up period, is needed.