Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2025
Effect of romosozumab on bone mineral density and trabecular bone score in premenopausal women with low bone mass.
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Lee Seunghyun, Hong Namki, Cho Sung Joon, Shin Sungjae, Rhee Yumie
Аннотация
UNLABELLED: We investigated the efficacy of romosozumab in premenopausal women with low bone mass. Romosozumab substantially increased bone mineral density and trabecular bone score in these women, aligning with its proven therapeutic benefits for postmenopausal osteoporosis.
PURPOSE: Romosozumab, an anti-sclerostin antibody, is a promising anabolic agent that increases bone formation and decreases bone resorption. However, its efficacy in premenopausal women with low bone mass remains understudied.
METHODS: We retrospectively reviewed premenopausal women with low bone mass treated with romosozumab (ROMO group) or drug-naïve patients (control group). Patients in the ROMO group were classified into the glucocorticoid-induced osteoporosis (GIOP), idiopathic osteoporosis (IOP), and pregnancy and lactation-induced osteoporosis (PLO) subgroups. Bone mineral density (BMD) and trabecular bone score (TBS) were measured before and after one year of romosozumab treatment.
RESULTS: Twenty-five patients in the ROMO group and five in the control group were included in the study. Among patients in the ROMO group, 12 were in the GIOP, 9 in the IOP, and 4 in the PLO subgroups. The mean age was 37.0 years [32.0-42.0], and the median body mass index was 18.8 kg/m2 [17.5-21.3]. After romosozumab treatment, lumbar spine (LS), femur neck (FN) BMD, and TBS increased from baseline (LSBMD, 12.8% [8.2-19.3], p < 0.001; FNBMD, 4.6% [- 0.6-10.7], p = 0.016; TBS, 4.1% ± 3.8, p < 0.001) in the ROMO group. Patients in both the GIOP and IOP subgroups showed a significant increase in LSBMD, while those in the IOP subgroup demonstrated significant increases in FNBMD.
CONCLUSION: We demonstrated romosozumab's efficacy in BMD increment in premenopausal women. Romosozumab may be a potential treatment option for premenopausal women with low bone mass, regardless of etiologies, although further research on fracture risk reduction is warranted.
PURPOSE: Romosozumab, an anti-sclerostin antibody, is a promising anabolic agent that increases bone formation and decreases bone resorption. However, its efficacy in premenopausal women with low bone mass remains understudied.
METHODS: We retrospectively reviewed premenopausal women with low bone mass treated with romosozumab (ROMO group) or drug-naïve patients (control group). Patients in the ROMO group were classified into the glucocorticoid-induced osteoporosis (GIOP), idiopathic osteoporosis (IOP), and pregnancy and lactation-induced osteoporosis (PLO) subgroups. Bone mineral density (BMD) and trabecular bone score (TBS) were measured before and after one year of romosozumab treatment.
RESULTS: Twenty-five patients in the ROMO group and five in the control group were included in the study. Among patients in the ROMO group, 12 were in the GIOP, 9 in the IOP, and 4 in the PLO subgroups. The mean age was 37.0 years [32.0-42.0], and the median body mass index was 18.8 kg/m2 [17.5-21.3]. After romosozumab treatment, lumbar spine (LS), femur neck (FN) BMD, and TBS increased from baseline (LSBMD, 12.8% [8.2-19.3], p < 0.001; FNBMD, 4.6% [- 0.6-10.7], p = 0.016; TBS, 4.1% ± 3.8, p < 0.001) in the ROMO group. Patients in both the GIOP and IOP subgroups showed a significant increase in LSBMD, while those in the IOP subgroup demonstrated significant increases in FNBMD.
CONCLUSION: We demonstrated romosozumab's efficacy in BMD increment in premenopausal women. Romosozumab may be a potential treatment option for premenopausal women with low bone mass, regardless of etiologies, although further research on fracture risk reduction is warranted.