Characterizing fatigue associated with sunitinib and its impact on health-related quality of life in patients with metastatic renal cell carcinoma

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Cella D., Davis M.P., Négrier S., Figlin R.A., Michaelson M.D., Bushmakin A.G., Cappelleri J.C., Sandin R., Korytowsky B., Charbonneau C., Matczak E., Motzer R.J.

Cancer 2014 120:12 (1871-1880)

BACKGROUND Using phase 3 trial data for sunitinib versus interferon (IFN)-? in treatment-naive patients with metastatic renal cell carcinoma, retrospective analyses characterized sunitinib-associated fatigue and its impact on patient-reported health-related quality of life (HRQoL). METHODS Patients received sunitinib at a dose of 50 mg/day on a schedule of 4 weeks on/2 weeks off (375 patients) or IFN-? at a dose of 9 MU subcutaneously 3 times per week (360 patients). HRQoL was self-assessed using the Functional Assessment of Cancer Therapy-Kidney Symptom Index-15-item (FKSI-15) questionnaire, with fatigue assessed using its Disease-Related Symptoms subscale. Fatigue was also assessed by providers using Common Terminology Criteria for Adverse Events (CTCAE). A repeated-measures model (M1) and random intercept-slope model (M2) characterized sunitinib-associated fatigue over time. Another repeated-measures model examined the relationship between HRQoLscores and CTCAE fatigue grade…(vermás)

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