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Can bone turnover markers help to define the suitability and duration of bisphosphonate drug holidays?

Statham, Louise, Aspray, Terry and Abdy, Sharon (2020) Can bone turnover markers help to define the suitability and duration of bisphosphonate drug holidays? Drugs in Context.

Item Type: Article

Abstract

Abstract
Background: On stopping bisphosphonate treatment, bone resorption may increase before evidence of a decrease in bone density. Offset of bisphosphonate effect may therefore be monitored by measuring C-terminal telopeptide (CTX) following long-term bisphosphonate treatment to inform clinical decisions on drug holiday.
Methods: Retrospective analysis of 158 patients (83% female, mean age 71 years) starting a drug holiday had plasma CTX measured at discontinuation (baseline), n=138 and 4 months and n=136, and 12 months (n=100). Premenopausal mean CTX levels and the least significant change (LSC) detectable were used to define target thresholds for bone turnover.
Results: Following long-term bisphosphonate treatment (69% alendronic acid, 33% risedronate, mean duration 8 years SD 2.7), 32% patients had CTX above target (0.19 μg/L). In those with baseline CTX below threshold, 28% increased CTX to >0.19 μg/L and > LSC (0.06 μg/L) by 4 months (mean CTX increase 0.05 μg/L [95% confidence interval (CI): 0.04–0.06; p<0.0001]) and 53% by 12 months (mean CTX increase 0.09 μg/L [95% CI: 0.07–0.10; p<0.0001]), whilst 47% had no detectable changes in CTX over 12 months.

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More Information

Uncontrolled Keywords: bone resorption, osteoporosis, bone remodelling, collagen type 1, risedronate, alendronate.
Depositing User: Louise Statham

Identifiers

Item ID: 12085
Identification Number: https://doi.org/10.7573/dic.2020-1-3
URI: http://sure.sunderland.ac.uk/id/eprint/12085
Official URL: https://www.drugsincontext.com/can-bone-turnover-m...

Users with ORCIDS

ORCID for Louise Statham: ORCID iD orcid.org/0000-0002-4823-2295

Catalogue record

Date Deposited: 01 Jun 2020 08:20
Last Modified: 12 Jan 2021 17:03

Contributors

Author: Louise Statham ORCID iD
Author: Terry Aspray
Author: Sharon Abdy

University Divisions

Faculty of Health Sciences and Wellbeing

Subjects

Sciences > Health Sciences
Sciences > Pharmacy and Pharmacology

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