Hirotaka Miyashita1,2, Sera Satoi3, Toshiki Kuno4, Christina Cruz4, Stephen Malamud5, Se-Min Kim6,7. 1. Department of Medicine, Icahn School of Medicine at Mount Sinai, Mount Sinai Beth Israel, New York, NY, USA. Hirotaka.Miyashita@mountsinai.org. 2. Mount Sinai Bone Program, Icahn School of Medicine at Mount Sinai, New York, NY, USA. Hirotaka.Miyashita@mountsinai.org. 3. Department of Medicine, Nippon Medical School Hospital, Tokyo, Japan. 4. Department of Medicine, Icahn School of Medicine at Mount Sinai, Mount Sinai Beth Israel, New York, NY, USA. 5. Mount Sinai Beth Israel Comprehensive Cancer Center, New York, NY, USA. 6. Department of Medicine, Icahn School of Medicine at Mount Sinai, Mount Sinai Beth Israel, New York, NY, USA. se-min.kim@mountsinai.org. 7. Mount Sinai Bone Program, Icahn School of Medicine at Mount Sinai, New York, NY, USA. se-min.kim@mountsinai.org.
Abstract
PURPOSE: The data of head-to-head comparisons of the anti-fracture efficacy of bone modifying agents (BMAs) in patients with hormone receptor-positive breast cancer receiving aromatase inhibitor (AI) are not available. Therefore, we conducted a network meta-analysis to compare the efficacy of different BMAs in patients with breast cancer receiving adjuvant AI. METHODS: We performed a network meta-analysis to compare the change of bone mineral densities (BMDs) and the risk of fracture in the selected studies using a random effect model. The primary outcomes are the change of BMD of lumbar spine (LS) and total hip (TH) from the baseline (ΔBMD, %) at 1 and 2 years and the risk of fracture. RESULTS: We identified and included a total of 16 randomized controlled trials for this analysis. All BMAs included (risedronate, zoledronate, and denosumab) were associated with a significant increase in BMD of LS and TH at 1 and 2 years compared with no upfront treatment group. Among BMAs, zoledronate and denosumab use resulted in significantly higher BMD of LS and TH at 1 and 2 years compared with risedronate. The risk of fracture was significantly lower in the patients who received denosumab or risedronate compared with the patients without upfront treatment (Relative risk (RR) [95% CI] 0.51 [0.38-0.67] and 0.54 [0.35-0.83], respectively). CONCLUSION: Among the bisphosphonates, zoledronate increased BMD the most, but risedronate, not zoledronate, use was associated with lower risk of fracture. Denosumab increased BMD not only of LS but also of the cortical-bone-rich hip, and showed a significant reduction of fracture risk.
PURPOSE: The data of head-to-head comparisons of the anti-fracture efficacy of bone modifying agents (BMAs) in patients with hormone receptor-positive breast cancer receiving aromatase inhibitor (AI) are not available. Therefore, we conducted a network meta-analysis to compare the efficacy of different BMAs in patients with breast cancer receiving adjuvant AI. METHODS: We performed a network meta-analysis to compare the change of bone mineral densities (BMDs) and the risk of fracture in the selected studies using a random effect model. The primary outcomes are the change of BMD of lumbar spine (LS) and total hip (TH) from the baseline (ΔBMD, %) at 1 and 2 years and the risk of fracture. RESULTS: We identified and included a total of 16 randomized controlled trials for this analysis. All BMAs included (risedronate, zoledronate, and denosumab) were associated with a significant increase in BMD of LS and TH at 1 and 2 years compared with no upfront treatment group. Among BMAs, zoledronate and denosumab use resulted in significantly higher BMD of LS and TH at 1 and 2 years compared with risedronate. The risk of fracture was significantly lower in the patients who received denosumab or risedronate compared with the patients without upfront treatment (Relative risk (RR) [95% CI] 0.51 [0.38-0.67] and 0.54 [0.35-0.83], respectively). CONCLUSION: Among the bisphosphonates, zoledronate increased BMD the most, but risedronate, not zoledronate, use was associated with lower risk of fracture. Denosumab increased BMD not only of LS but also of the cortical-bone-rich hip, and showed a significant reduction of fracture risk.
Entities:
Keywords:
Aromatase inhibitor; Bone mineral density; Bone modifying agents; Fracture
Authors: Celia L Gregson; David J Armstrong; Jean Bowden; Cyrus Cooper; John Edwards; Neil J L Gittoes; Nicholas Harvey; John Kanis; Sarah Leyland; Rebecca Low; Eugene McCloskey; Katie Moss; Jane Parker; Zoe Paskins; Kenneth Poole; David M Reid; Mike Stone; Julia Thomson; Nic Vine; Juliet Compston Journal: Arch Osteoporos Date: 2022-04-05 Impact factor: 2.879
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