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Erschienen in: Journal of Bone and Mineral Metabolism 5/2022

27.06.2022 | Original Article

Real-world persistence of twice-weekly teriparatide and factors associated with the discontinuation in patients with osteoporosis

verfasst von: Ryo Fujita, Tsutomu Endo, Masahiko Takahata, Kentaro Haraya, Hisataka Suzuki, Itaru Oda, Masahiro Kanayama, Tsuyoshi Asano, Keiichi Shigenobu, Akira Iwata, Katsuhisa Yamada, Hirohito Takeuchi, Hisanori Ohura, Daisuke Yoneoka, Norimasa Iwasaki

Erschienen in: Journal of Bone and Mineral Metabolism | Ausgabe 5/2022

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Abstract

Introduction

A 28.2 μg twice-weekly formulation of teriparatide (2/W-TPD) was developed to provide comparably high efficacy for osteoporosis to a 56.5 μg once-weekly formulation while improving the safety and persistence rate. In the current study, we aimed to elucidate the real-world persistence of 2/W-TPD and to identify the factors associated with the discontinuation of 2/W-TPD in patients with severe osteoporosis.

Materials and methods

This retrospective study included 90 patients who were treated with 2/W-TPD at three hospitals in Japan. Patient information was collected, including age, sex, distance to the hospital, family structure, comorbidities, previous treatment for osteoporosis, timing of the injection, side effects and duration of 2/W-TPD treatment, barthel index (BI), and bone mineral density (BMD) of the lumbar spine and femoral neck. We examined the factors influencing 2/W-TPD discontinuation using the Cox proportional hazards model.

Results

The 12 month completion rate of 2/W-TPD therapy was 47.5%. The Cox hazard analysis identified side effects [Hazard Ratio (HR) = 14.59, P < 0.001], low BMD of the femoral neck (HR = 0.04, P = 0.002), and morning injection (HR = 3.29, P = 0.006) as risk factors influencing the discontinuation of 2/W-TPD. Other variables, including age, did not contribute to the continuation of 2/W-TPD.

Conclusion

One year continuation rate of 2/W-TPD was higher than the previously reported value of the once-weekly formulation in real-world setting, probably due to the lower incidence of side effects. Introducing injection of 2/W-TPD may further improve the persistence of TPD therapy for osteoporosis.
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Metadaten
Titel
Real-world persistence of twice-weekly teriparatide and factors associated with the discontinuation in patients with osteoporosis
verfasst von
Ryo Fujita
Tsutomu Endo
Masahiko Takahata
Kentaro Haraya
Hisataka Suzuki
Itaru Oda
Masahiro Kanayama
Tsuyoshi Asano
Keiichi Shigenobu
Akira Iwata
Katsuhisa Yamada
Hirohito Takeuchi
Hisanori Ohura
Daisuke Yoneoka
Norimasa Iwasaki
Publikationsdatum
27.06.2022
Verlag
Springer Nature Singapore
Erschienen in
Journal of Bone and Mineral Metabolism / Ausgabe 5/2022
Print ISSN: 0914-8779
Elektronische ISSN: 1435-5604
DOI
https://doi.org/10.1007/s00774-022-01347-1

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