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J Bone Miner Res. 2015 Dec;30(12):2179-87. doi: 10.1002/jbmr.2565. Epub 2015 Jul 14.

Trends in Media Reports, Oral Bisphosphonate Prescriptions, and Hip Fractures 1996-2012: An Ecological Analysis.

Author information

1
National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA.
2
Clinical and Investigative Orthopedics Surgery (CIOS)/Intramural Research Program (IRP), National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health (NIH), Bethesda, MD, USA.
3
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health (NIH), Bethesda, MD, USA.

Abstract

Bisphosphonates are effective for the treatment of osteoporosis despite recent reports of safety concerns such as atypical femur fracture. We conducted an ecological analysis of relevant media reports, oral bisphosphonate use, and fracture outcomes in the United States. Trends in media reports and public interest of bisphosphonates were quantified using data from Google Trends. Data from the Medical Expenditure Panel Survey (MEPS) and the National Inpatient Sample (NIS) were used to estimate the trends in oral bisphosphonate use among patients aged 55 years and older and hospitalizations for intertrochanteric and subtrochanteric fractures, respectively. These trends in the prevalence of oral bisphosphonate use and the age-adjusted incidence rate of intertrochanteric and subtrochanteric fractures were examined from 1996 to 2012. A series of spikes in Internet search activity for alendronate (Fosamax) occurred between 2006 and 2010 immediately following media reports of safety concerns. Oral bisphosphonate use declined by greater than 50% between 2008 and 2012 (p < 0.001) after increasing use for more than a decade. The decline was more common in patients with lower education levels. Intertrochanteric hip fractures declined from 1996 through 2006 (p < 0.001) and continued to decline from 2008 to 2012 (p < 0.05). Subtrochanteric and diaphyseal fractures showed a steady and significant increase from 2002 to 2011 (p < 0.05). However, the incidence decreased from a peak of 30.5 per 100,000 in 2011 to 26.7 per 100,000 in 2012. The plateauing and subsequent decline in oral bisphosphonate use since 2006 coincided with reports of safety concerns of bisphosphonates, despite the fact that U.S. Food and Drug Administration (FDA) and American Society of Bone and Mineral Research (ASBMR) reports did not recommend any safety restrictions on their use. This decline in oral bisphosphonate use was followed by the decline in the incidence of subtrochanteric and diaphyseal fractures.

KEYWORDS:

ANTIRESORPTIVES; BISPHOSPHONATE; EPIDEMIOLOGY; FRACTURE PREVENTION; GENERAL POPULATION STUDIES; OSTEOPOROSIS

PMID:
26018247
DOI:
10.1002/jbmr.2565
[Indexed for MEDLINE]
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