A multicenter study found that the timing of radiotherapy after radical prostatectomy did not significantly affect patients' long-term health-related quality-of-life outcomes.
Receiving radiotherapy after prostatectomy does negatively affect long-term health-related quality of life , including sexual function, urinary incontinence, and urinary irritation, but the timing of radiation after prostatectomy — within a year or over a year from surgery — does not appear to significantly affect patients' quality of life over the long term, a recent analysis finds.
Delaying radiotherapy after prostatectomy can help avoid overtreatment and mitigate genitourinary and erectile toxic effects. However, few studies have compared long-term patient-reported health-related quality-of-life outcomes on the basis of the timing of postprostatectomy radiotherapy. Researchers evaluated 1203 men with localized prostate cancer who underwent radical prostatectomy from the PROST-QA and RP2 Consortium . Among these patients, 1082 underwent surgery only, 57 received early radiotherapy , and 64 underwent late radiotherapy . Patients who received early radiotherapy were more likely to receive androgen deprivation therapy than those who underwent late radiotherapy (40.4% vs 12.5%;Primary outcome was health-related quality of life measured using the Expanded Prostate Cancer Index Composite at baseline, 2, 6, and 12 months, and annually after that. Health-related quality-of-life measures included sexual function, urinary incontinence, urinary irritation and/or obstruction, and bowel or rectal function.Postprostatectomy radiotherapy was associated with a significantly greater decline in health-related quality of life across all domains, including sexual function and urinary incontinence. Patients who received early radiation initially experienced worse urinary incontinence and sexual health compared with patients in the late group, but the early group also had higher-risk disease and were more likely to receive concurrent androgen deprivation therapy. In the long term, the early radiotherapy group experienced more pronounced recovery of sexual function, urinary irritation, and urinary incontinence than the late radiotherapy group. Ultimately, patients in the early radiotherapy group had similar, potentially better, long-term health-related quality-of-life domain scores than those in the late group over the long term. For instance, the likelihood of being pad-free increased for patients treated early with radiation, while it decreased for those treated late. In patients who received early radiation, the rate of freedom from pad use increased from 39% before radiation to 67% at the sixth follow-up visit after radiation, while it decreased from 73% to 48% in those who received late radiation."Long-term patient-reported sexual, incontinence, and urinary irritative outcomes did not significantly differ between early vs late postprostatectomy ," the authors said. In fact, “men receiving early experienced greater recovery of these toxicity domains and achieved similar, and possibly better, domain scores as those receiving late at long-term follow-up.” Overall, “these results may help guide treatment counseling and support consideration of early after prostatectomy for men at particularly high risk of recurrence and metastasis."The early and late postprostatectomy radiotherapy groups were relatively small and underpowered to detect statistically significant differences between groups. The study has a nonrandomized design, which may introduce unaccounted for imbalances among the different groups. The study did not directly compare health-related quality of life between patients receiving adjuvant vs salvage radiotherapy.This study received funding from National Institutes of Health grants and the Paul Calabresi Career Development Award for Clinical Oncology. Several authors reported receiving personal fees, grants, and having other ties with various sources. Additional disclosures are noted in the original article. This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication.
Malignant Prostate Neoplasm Prostate Cancer Cancer Of The Prostate Quality Of Life QOL Health Related Quality Of Life Health-Related Quality Of Life HRQOL Radiation Therapy Radiotherapy Radiation Oncology Urinary Incontinence Radical Prostatectomy Prostatectomy Surgery Incontinence Prostatic Toxicology Toxicity Poisoning Toxins Metastasis Metastatic Carcinoma
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