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Why Do Men Reject Adjuvant Radiotherapy following Radical Prostatectomy? A Systematic Survey
Silvan Sigg1, Winfried Arnold2, Nico Christian Grossmann1,3,4
1Department of Urology, Cantonal Hospital of Lucerne, Lucerne, Switzerland.
Introduction:
The aim of this study was to investigate non-adherence rates to adjuvant radiotherapy (aRT) after radical prostatectomy (RP) and to obtain patient reported reasons for rejecting aRT despite recommendation by a multidisciplinary team discussion (MTD).
Methods:
In a retrospective monocentric analysis, we identified 1,197 prostate cancer patients who underwent RP between 2014 and 2022 at our institution, of which 735 received a postoperative MTD recommendation. Patients with a recommendation for aRT underwent a structured phone interview with predefined standardised qualitative and quantitative questions and were stratified into "adherent" (aRT performed) and "non-adherent" groups (aRT not performed).
Results:
Of 55 patients receiving a recommendation for aRT (7.5% of all RP patients), 24 (44%) were non-adherent. Baseline tumour characteristics were comparable among the groups. "Fear of radiation damage" was the most common reason for rejection, followed by "lack of information," "feeling that the treating physician does not support the recommendation" and "the impression that aRT is not associated with improved oncological outcome." Salvage radiotherapy was performed in 25% of non-adherent patients.
Conclusion:
High rates of non-adherence to aRT after RP were observed, and reasons for this phenomenon are most likely multifactorial. Multidisciplinary and individualized patient counselling might be a key for increasing adherence rates.
