陈 涵, 邵志敏, 余科达, et al. Association between adjuvant tamoxifen treatment for breast cancer and subsequent cataract[J]. China Oncology, 2019, 29(7): 508-509.
陈 涵, 邵志敏, 余科达, et al. Association between adjuvant tamoxifen treatment for breast cancer and subsequent cataract[J]. China Oncology, 2019, 29(7): 508-509. DOI: 10.19401/j.cnki.1007-3639.2019.07.005.
Association between adjuvant tamoxifen treatment for breast cancer and subsequent cataract
Background and purpose: Tamoxifen is the standard adjuvant endocrine therapy for early premenopausal hormone receptor-positive breast cancer and an important choice for postmenopausal patients. At present
the relationship between tamoxifen treatment and subsequent cataract occurrence is controversial. Methods: The relevant cases from the prospectively maintained database of the Department of Breast Surgery in Shanghai Cancer Center were analyzed. Among 3034 patients
806 patients did not receive endocrine therapy
1065 patients were treated with tamoxifen
and 1 163 patients received aromatase inhibitor alone. For patients without tamoxifen treatment and those without endocrine therapy
association study was performed according to the age (≤40 years
41-50 years
50 years) and tamoxifen treatment time. Results: Although there was no significant difference in the incidence of cataract between the non-endocrine group (806 patients) and the tamoxifen-treated group (1 065 patients) (HR=1.1
95% CI: 0.8-1.5; P=0.70)
subgroup analyses according to the age showed different outcomes. In the ≤40 years and 40-50 years groups
tamoxifen was not significantly associated with cataract incidence. However
in the 50 years group
tamoxifen treatment led to a significantly higher risk of developing cataract with 1.8 times that of the unused group (15.4 % vs 9.0%
95% CI: 1.1-3.1; P=0.024). Moreover
multivariate analysis revealed that patients with long-term use of tamoxifen (more than 5 years) also had a higher risk of cataract than those with less than 5-year treatment of tamoxifen. Conclusion: Although the incidence of cataract was not significantly associated with tamoxifen use in the overall population
the risk of cataract was significantly increased in postmenopausal patients and those with long-term tamoxifen medication. When we select tamoxifen candidates
we should pay attention to the assessment of toxicity risk as well as cataract.
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Related Author
Yizi JIN
Mingxi LIN
Cheng ZENG
Qing GUO
Jian ZHANG
Committee of Breast Cancer Society Chinese Anti-Cancer Association,
琪
瑢
Related Institution
Department of Medical Oncology, Fudan University Shanghai Cancer Center; Phase Ⅰ Clinical Trial Center, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University
中国医学科学院肿瘤医院肿瘤内科
复旦大学附属肿瘤医院肿瘤内科,复旦大学上海医学院肿瘤学系
Department of Breast Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College
Department of Breast Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital& Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College