Patient reported symptoms associated with quality of life during chemo- or immunotherapy for bladder cancer patients with advanced disease.

Bladder cancer (BC) patients with advanced disease have poor outcomes. The use of patient-reported outcomes (PROs) could lead to improvements in symptom management and hence quality of life (QoL). The aim of this study is to report correlations between selected PROs and QoL and thus to present symptoms that influence QoL. Identification of these symptoms during treatment can lead to earlier symptom management and thus secure improvements in QoL.

BC patients in chemo- or immunotherapy for locally advanced or metastatic disease reported weekly PROs for the duration of their treatment. The PROs included EORTC QLQ-C30 and QLQ-BLM30 and 45 selected PRO-CTCAE items. Spearman's correlation analysis was performed for all PRO-CTCAE items and QLQ-C30 global QoL and subdomains.

In this study, 78 BC patients reported 724 questionnaires. Spearman's analysis showed significant correlations between almost all PRO-CTCAE items and the expected domain of QoL. The PRO-CTCAE items with the strongest correlations with QoL were anxiety (F, frequency item) and emotional function (rs  = -0.603, P < .0001), concentration (S, severity item) and cognitive function (rs  = -0.704, P < .0001), discouraged (F) and emotional function (rs  = -0.659, P < .0001), fatigue (S) and role function (rs  = -0.659, P < .0001) and sad (F) and emotional function (rs  = -0.711, P < .0001). The weakest correlations were found for the PRO-CTCAE items urinary frequency, incontinence and urge, all with variations in the direction and significance of the correlations.

This study delivers information on which PROs may influence QoL for patients in clinical trials or daily clinic. Psychological issues have a strong impact on QoL and should be dealt with during treatment to secure the best possible QoL for BC patients.

Cancer medicine. 2020 Mar 10 [Epub ahead of print]

Gry A Taarnhøj, Christoffer Johansen, Henriette Lindberg, Ethan Basch, Amylou Dueck, Helle Pappot

Department of Oncology, University Hospital of Copenhagen, Rigshospitalet, Copenhagen, Denmark., Department of Oncology, University Hospital of Copenhagen, Herlev Hospital, Herlev, Denmark., Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC, USA., Section of Biostatistics, Mayo Clinic, Scottsdale, AZ, USA.

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