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The risk analysis of long-term cognitive impairment after androgen deprivation therapy in elderly prostate cancer patients aged 75 years and over / 中华老年医学杂志
Chinese Journal of Geriatrics ; (12): 319-322, 2021.
Article in Chinese | WPRIM | ID: wpr-884888
ABSTRACT

Objective:

To examine the risk of long-term cognitive impairment in elderly prostate cancer patients aged 75 years and older undergoing androgen deprivation therapy(DAT), and to analyze the correlation between DAT and cognitive impairment.

Methods:

This was a retrospective cohort study.Elderly prostate cancer patients aged 75 years and older in the National Cancer Database(SEER)from 1996-2003 were included.According to whether ADT was received, patients were divided into the ADT group(n=82 514)and the control group(n=121 856). Baseline clinical data were compared between the two groups. Kaplan- Meier survival analysis and the Log- rank test were used to compare the incidence of cognitive impairment(dementia and Alzheimer's disease)between the two groups. Cox risk ratio regression analysis was used to assess the relationship between ADT and cognitive impairment.

Results:

A total of 204 370 patients were enrolled in this study.The mean age of patients was(79.2±4.6)years.Compared with the control group, the ADT group was older and had higher prostate specific antigen levels, higher proportions of poorly differentiated tumors, more complications and a higher proportion of patients receiving radiotherapy( P<0.05). During the follow-up of(12.1±3.3)years, a total of 41 661 cases of dementia were diagnosed, including 13 634 in the ADT group and 28 027 in the control group, and 28 945 cases of Alzheimer's disease were diagnosed, including 9 372 in the ADT group and 19 573 in the control group.Kaplan-Meier survival analysis and the log-rank test showed that the incidence of dementia in the ADT group was higher than that in the control group( χ2=8.10, P=0.004), and the incidence of Alzheimer's disease was also higher in the ADT group than in the control group( χ2=5.06, P=0.024). Cox regression analysis results showed that ADT significantly increased the risk of dementia( HR=1.71, 95% CI 1.14-2.57, P=0.01)and Alzheimer's disease( HR=1.63, 95% CI 1.08-2.46, P=0.02), compared with treatment that did not include ADT.

Conclusions:

The risk of dementia and Alzheimer's disease is increased in elderly prostate cancer patients aged 75 years and older after ADT.
Full text: Available Index: WPRIM (Western Pacific) Type of study: Etiology study / Observational study Language: Chinese Journal: Chinese Journal of Geriatrics Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Etiology study / Observational study Language: Chinese Journal: Chinese Journal of Geriatrics Year: 2021 Type: Article