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Arch Osteoporos. 2018 Sep 28;13(1):103. doi: 10.1007/s11657-018-0517-6.

The prevalence of overtreatment of osteoporosis: results from the PAADRN trial.

Author information

1
Department of Pharmacy, Cleveland Clinic, 9500 Euclid Ave JJN1-200, Cleveland, OH, 44195, USA. halls4@ccf.org.
2
Department of Epidemiology, University of Alabama at Birmingham, Birmingham, AL, USA.
3
Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL, USA.
4
Division of General Internal Medicine, Department of Internal Medicine, College of Medicine, University of Iowa Carver, Iowa City, IA, USA.
5
Department of Health Management and Policy, College of Public Health, University of Iowa, Iowa City, IA, USA.
6
College of Nursing, University of Iowa, Iowa City, IA, USA.
7
Department of Biostatistics, College of Public Health, University of Iowa, Iowa City, IA, USA.
8
Kaiser Permanente, Atlanta, GA, USA.
9
School of Public Health, Georgia State University, Atlanta, GA, USA.
10
Faculty of Medicine, University of Toronto, Toronto, Canada.
11
Division of General Internal Medicine and Geriatrics, Mt. Sinai and UHN Hospitals, Toronto, Canada.

Abstract

Overtreatment of osteoporosis increases costs and puts patients at unnecessary risk of experiencing adverse drug events. In the Patient Activation After DXA Receipt Notification (PAADRN) trial, we found that 8% of individuals with no indication for therapy were recommended a new osteoporosis medication or continuation of an existing medication.

PURPOSE:

There is a robust body of literature addressing undertreatment in osteoporosis, but limited data addressing overtreatment. Understanding overtreatment is important to minimize harm and decrease costs.

METHODS:

One of the pre-specified post hoc analyses of the PAADRN trial, a randomized, controlled, pragmatic clinical trial, was to quantify and identify risk factors associated with osteoporosis overtreatment. PAADRN included patients ≥ 50 years of age presenting for bone density testing between February, 2012, and August, 2014, at three US healthcare systems. We assessed 20,397 patients for eligibility and randomized 7749. Intervention patients received a tailored letter containing their dual-energy X-ray absorptiometry (DXA) results and an educational osteoporosis brochure. Control patients received usual care. Using the National Osteoporosis Foundation treatment guidelines, we defined overtreatment as the receipt of osteoporosis pharmacotherapy 12 weeks after DXA when treatment was not indicated. We evaluated the relationship between the following baseline variables-sex, race/ethnicity, educational attainment, and differences across health systems-and overtreatment using a series of multivariable logistic regression models.

RESULTS:

Among 3602 patients with no apparent indication for osteoporosis treatment, 292 (8.1%; 95% CI, 7.22 to 9.00%) received a new prescription for osteoporosis pharmacotherapy or were instructed to continue an existing medication (presumed overtreatment). Presumed overtreatment was more common among participants with prior DXA history, those who reported a history of osteoporosis or low bone mass, and those referred for testing by family medicine providers.

CONCLUSION:

In our sample of older adults, overuse of osteoporosis pharmacotherapy was only 8.1%. Nevertheless, overtreatment exposes patients to possible risk with negligible chance of benefit and should be minimized.

TRIAL REGISTRATION:

clinicaltrials.gov identifier: NCT01507662.

KEYWORDS:

Aging; DXA; Fracture risk assessment; Osteoporosis; Therapeutics

PMID:
30267162
DOI:
10.1007/s11657-018-0517-6

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