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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국유방암학회 Journal of Breast Disease Journal of Breast Disease 제7권 제2호
발행연도
2019.1
수록면
105 - 112 (8page)

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Purpose: We assessed bone mineral density (BMD) changes with aromatase inhibitor (AI) treatment in women with breast cancer and determined whether BMD T-scores changed with vitamin D supplementation. Methods: This single-center, retrospective study included postmenopausal patients with breast cancer who had undergone surgical resection of stage I, II, or III estrogen- and/or progesterone-receptor-positive breast cancer and received adjuvant AIs (letrozole, anastrozole, and exemestane) at Kangbuk Samsung Hospital from January 2003 to July 2017. Baseline BMD T-scores of the femoral neck, proximal femur, and lumbar spine were obtained. The first group received vitamin D oral supplements (25,000 IU, monthly) or intravenous (IV) injections (200,000 IU, every 6 months). The second group did not receive vitamin D. T-scores were re-assessed at 12 and 24 months. BMD changes in the femoral neck, proximal femur, and lumbar spine were examined and compared according to vitamin D therapy. Results: A total of 118 women were included in the study. Eighty-four patients (71.2%) were aged >50 years, and most patients (64.1%) were postmenopausal. Group 1 (n=76, 64.4%) had received vitamin D oral supplements (25,000 IU, monthly) or IV injection (200,000 IU, every 6 months) during AI therapy. Group 2 (n=42, 35.6%) did not receive vitamin D during AI therapy. At baseline, 42.2% and 28.6% exhibited osteopenia at the femoral neck in Group 1 and Group 2, respectively. Both groups had T-score declines after AI therapy, with mean decreases of 0.23 and 0.41 at the femoral neck and lumbar spine, respectively, after 12 months and 0.40 and 0.55 at the femoral neck and lumbar spine, respectively, after 24 months in Group 1. However, differences in BMD T-score change at the femoral neck, total proximal femur, and lumbar spine between the groups were not statistically significant. Conclusion: Trends toward a decline in BMD in the femur and lumbar spine were observed in postmenopausal women with breast cancer receiving AI therapy. We did not observe a protective role of vitamin D supplementation against bone loss with AI therapy. A longer follow-up duration is necessary to determine whether vitamin D protects against bone loss during AI therapy.

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참고문헌 (22)

참고문헌 신청
Coombes RC / 2007 / Survival and safety of exemestane versus tamoxifen after 2-3 years’ tamoxifen treatment (intergroup exemestane study): a randomised controlled trial / Lancet 369:559~570 google schola Crew KD / 2007 / Prevalence of joint symptoms in postmenopausal women taking aromatase inhibitors for early-stage breast cancer / J Clin Oncol 25:3877~3883 google schola Ross AC / 2011 / Dietary reference intakes for calcium and vitamin D / National Academies Press google schola Vieth R / 2007 / The urgent need to recommend an intake of vitamin D that is effective / Am J Clin Nutr 85:649~650 google schola Runowicz CD / 2016 / American Cancer Society/American society of clinical oncology breast cancer survivorship care guideline / J Clin Oncol 34:611~635 google schola

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