Time trends in the use of curative treatment in men 70 years and older with nonmetastatic prostate cancer
DOI:
https://doi.org/10.2340/1651-226X.2024.26189Keywords:
Prostate cancer, management, age, mortality, SwedenAbstract
Background: Undertreatment of otherwise healthy men in their seventies with prostate cancer has been reported previously.
Material and methods: Using information in a Swedish prostate cancer research database, patterns of management and cancer-specific mortality were compared across age groups in over 70,000 men diagnosed with intermediate- or high-risk nonmetastatic prostate cancer between 2008 and 2020. Crude probabilities of death were estimated non-parametrically. Staging procedures, primary treatment, and cancer death were compared using regression models, adjusting for patient and tumor characteristics.
Results: During the study period, the proportion of men treated with curative intent increased in ages 70–74 (intermediate-risk from 45% to 72% and high-risk from 49% to 84%), 75–79 (intermediate-risk from 11% to 52% and high-risk from 12% to 70%), and 80–84 years (intermediate-risk from < 1% to 14% and high-risk from < 1% to 30%). Older age was associated with lower likelihoods of staging investigations and curative treatment, also after adjustment for tumor characteristics and comorbidity. Men treated with curative intent and those initially managed conservatively had lower crude risks of prostate cancer death than men receiving androgen deprivation treatment (ADT). In adjusted analyses, ADT was associated with higher prostate cancer mortality than curative treatment across ages and risk groups. Among men managed conservatively, prostate cancer mortality was higher in ages 70 and above.
Interpretation: Use of curative treatment increased substantially in older men with prostate cancer between 2008 and 2020. Our findings suggest reduced age-bias and under-treatment, likely reflecting improved individualized decision-making and adherence to guidelines recommending more active management of older men.
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Copyright (c) 2024 Frida E Lundberg, David Robinson, Ola Bratt, Giuseppe Fallara, Mats Lambe, Anna L. V. Johansson
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