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Menatetrenone versus alfacalcidol in the treatment of Chinese postmenopausal women with osteoporosis: a multicenter, randomized, double-blinded, double-dummy, positive drug-controlled clinical trial

Authors Jiang Y, Zhang ZL, Zhang ZL, Zhu HM, Wu YY, Cheng Q, Wu FL, Xing XP, Liu JL, Yu W, Meng XW

Received 6 September 2013

Accepted for publication 2 November 2013

Published 8 January 2014 Volume 2014:9 Pages 121—127

DOI https://doi.org/10.2147/CIA.S54107

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Yan Jiang,1,* Zhen-Lin Zhang,2,* Zhong-Lan Zhang,3 Han-Min Zhu,4 Yi-Yong Wu,5 Qun Cheng,4 Feng-Li Wu,5 Xiao-Ping Xing,1 Jian-Li Liu,3 Wei Yu,6 Xun-Wu Meng1

1Department of Endocrinology, Key Laboratory of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 2Metabolic Bone Disease and Genetic Research Unit, Department of Osteoporosis and Bone Disease, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 3Department of Gynecology and Obstetrics, General Hospital of the People's Liberation Army, Beijing, 4Department of Geriatrics, Shanghai Huadong Hospital, Shanghai, 5Department of Gynecology and Obstetrics, Beijing Hospital, Ministry of Public Health, Beijing, 6Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, People's Republic of China

*These authors contributed equally to this work

Objective: To evaluate whether the efficacy and safety of menatetrenone for the treatment of osteoporosis is noninferior to alfacalcidol in Chinese postmenopausal women.
Method: This multicenter, randomized, double-blinded, double-dummy, noninferiority, positive drug-controlled clinical trial was conducted in five Chinese sites. Eligible Chinese women with postmenopausal osteoporosis (N=236) were randomized to Group M or Group A and received menatetrenone 45 mg/day or alfacalcidol 0.5 µg/day, respectively, for 1 year. Additionally, all patients received calcium 500 mg/day. Posttreatment bone mineral density (BMD), new fracture onsets, and serum osteocalcin (OC) and undercarboxylated OC (ucOC) levels were compared with the baseline value in patients of both groups.
Results: A total of 213 patients (90.3%) completed the study. After 1 year of treatment, BMD among patients in Group M significantly increased from baseline by 1.2% and 2.7% at the lumbar spine and trochanter, respectively (P<0.001); and the percentage increase of BMD in Group A was 2.2% and 1.8%, respectively (P<0.001). No difference was observed between groups. There were no changes in femoral neck BMD in both groups. Two patients (1.9%, 2/108) in Group M and four patients (3.8%, 4/105) in Group A had new fracture onsets (P>0.05). In Group M, OC and ucOC decreased from baseline by 38.7% and 82.3%, respectively (P<0.001). In Group A, OC and ucOC decreased by 25.8% and 34.8%, respectively (P<0.001). Decreases in serum OC and ucOC were more obvious in Group M than in Group A (P<0.001). The safety profile of menatetrenone was similar to alfacalcidol.
Conclusion: Menatetrenone is an effective and safe choice in the treatment of postmenopausal osteoporosis in Chinese women.

Keywords: menatetrenone, alfacalcidol, postmenopausal, osteoporosis, bone mineral density, undercarboxylated osteocalcin

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