Onkologie - spezialisierte Tumortherapie

Peritonealkarzinose - Bauchfellkarzinose - Bauchfellkrebs
chirurgische Onkologie - regionale Chemotherapie - Peritonektomie

Assessing simple measures of patient-reported (PR) fatigue for oncology clinical trials

Assessing simple measures of patient-reported (PR) fatigue for oncology clinical trials: A pooled analysis of 3,915 patients

H. Liu, J. A. Sloan, D. J. Sargent, D. V. Satele, P. L. Schaefer, M. Y. Halyard, A. Grothey, Y. I. Garces, P. D. Brown and J. C. Buckner

Mayo Clinic, Rochester, Rochester, MN; Toledo Clinic, Toledo, OH; Mayo Clinic, Scottsdale, AZ

Background: Fatigue is a prevalent and debilitating symptom reported by cancer patients (pts) which compromises a pt's quality of life (QOL). This study examined the relationship between PR fatigue and QOL as well as cancer-related symptoms (CRS) in 43 North Central Cancer Treatment Group and Mayo Clinic Cancer Center clinical trials.

Methods: 3,915 pts from 43 oncology clinical trials provided baseline fatigue data on a single-item 0–100 point scale. Pts' QOL assessment included a single-item overall QOL and associated QOL domains measured by numerical analogues, the Profile of Mood States (POMS), and PR symptom assessment measures. Associations between fatigue and QOL domains were assessed by Spearman correlation coefficients. Wilcoxon rank sum test compared QOL scores between pts with clinically deficient fatigue(CDF, score 50) vs. no clinically deficient fatigue (nCDF, score>50). Changes from baseline in fatigue and QOL were compared by Wilcoxon rank sum test with a 20-point change defined as clinically meaningful.

Results: 38% of ptsreported CDF at baseline and 45% of pts reported CDF at lastassessment. Fatigue was only moderately correlated at best withoverall QOL, pain, POMS, social and physical function (Spearmanrho's of .27,.40, .56, .38 and .38 respectively). Pts with CDFaveraged over 10 points lower overall QOL, pain, POMS, social,and physical function (see table below, all p<.0001) as wellas worsening CRS including sleepiness, nausea, headache, abnormalsweating, trouble sleeping, dry mouth, and sexual dysfunction(all p<.001). Pts with 20+ points worsening in fatigue declinedin overall QOL, physical function, pain and POMS (all p<.0001).

Conclusions: Patients with CDF suffer greater deficits in QOL and CRS. Patients report fatigue as distinctly different from overall QOL, pain, physical, social, mood status and CRS. Fatigue appears with a broad spectrum of CRS clusters. Routine measurement and management of fatigue could impact QOL and treatment-related symptoms.

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Chefarzt der Abteilung für Allgemeinchirurgie in Wertheim
Rotkreuzklinik Wertheim
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