Quality of life during chemotherapy in patients with symptomatic advanced colorectal cancer

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Abstract
Background. To increase the knowledge about the palliative effects of chemotherapy in patients with symptomatic advanced colorectal cancer, physician- and patient-rated “quality of life” was studied in a randomized multicenter trial comparing a regimen of methotrexate/5-fluorouracil (5-FU) followed by leucovorin rescue (MFL) with a regimen of 5-FU/leucovorin (FLv). Methods. Between January 1989 and December 1990, 70 patients completed a quality of life questionnaire at randomization and after every fourth treatment course. At one of the hospitals, the evaluation was done as an interview (interview group, n = 24), whereas a questionnaire was used at the other hospitals (questionnaire group, n = 46). Results. Objective responses (complete response plus partial response) were obtained in 15 (21%) patients, subjective responses in 29 (41%) patients, and an overall improved quality of life in 25 (36%) patients. In addition, 16 (23%) patients had unchanged quality of life during at least 4 months. There was a correlation between objective responses, subjective responses, and improvements in quality of life, although discrepancies were noticed, particularly in patients with only slight symptoms. Response rates were higher in the interview group than in the questionnaire group (P < 0.01). This difference could be related to a more favorable outcome when 5-FU was given as a bolus injection, rather than as a short-term infusion (more than 5 minutes). Conclusions. Improvements or prolonged stabilization of disease in quality of life can be achieved in at least half of the patients with tumor-related symptoms. However, factors related to the administration of chemotherapy may influence this proportion.

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