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CONTEXT Despite concerns about drug safety, current information on older adults' use of prescription and over-the-counter medications and dietary supplements is limited. OBJECTIVE To estimate the prevalence and patterns of medication use among older adults (including concurrent use), and potential major drug-drug interactions. DESIGN, SETTING, AND(More)
Section 340B of the Public Health Service Act provides qualified organizations serving vulnerable populations with deep discounts for some outpatient medications. A 2010 regulatory change widely expanded the 340B program's reach, allowing these organizations to contract with retail pharmacies to dispense medications for eligible patients. Little is known(More)
BACKGROUND Despite abundant evidence of racial disparities in the use of surgical procedures, it is uncertain whether these disparities reflect racial differences in clinical appropriateness or overuse or underuse of inappropriate care. METHODS We performed a literature review and used an expert panel to develop criteria for determining the(More)
Personalized medicine is health care that tailors interventions to individual variation in risk and treatment response. Although medicine has long strived to achieve this goal, advances in genomics promise to facilitate this process. Relevant to present-day practice is the use of genomic information to classify individuals according to disease(More)
OBJECTIVE To review literature on the impact of The Food and Drug Administration (FDA) drug risk communications on medication utilization, health care services use, and health outcomes. DATA SOURCES The authors searched MEDLINE and the Web of Science for manuscripts published between January 1990 and November 2010 that included terms related to drug(More)
BACKGROUND In April 2005, the US Food and Drug Administration (FDA) issued an advisory and subsequent black box warning regarding the risks of atypical anti psychotic use among elderly patients with dementia. The impact of these warnings on atypical drug use is unknown. METHODS We used quasi-experimental, interrupted time-series analyses to examine(More)
PURPOSE The prevalence of off-label anticancer drug use is not well characterized. The extent of off-label use is a policy concern because the clinical benefits of such use to patients may not outweigh costs or adverse health outcomes. METHODS Prescribing data from IntrinsiQ Intellidose data systems, a pharmacy software provider maintaining a(More)
OBJECTIVE Concerns have been raised that antidepressants may be overused. This study aimed to provide an estimate of antidepressant overuse in a more recent, nationally representative sample of adults and with a more contemporary set of antidepressants than has been covered in prior studies. METHODS The data set included adult (weighted N=23,026,608)(More)
BACKGROUND Spending on physician-administered drugs is high and uses not approved by the US Food and Drug Administration (FDA) are frequent. Although these drugs may be targets of future policy efforts to rationalize use, little is known regarding how physicians respond to emerging safety and effectiveness evidence. STUDY OBJECTIVE We analyzed changes in(More)