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1.
Arch Osteoporos ; 18(1): 42, 2023 03 11.
Article in English | MEDLINE | ID: mdl-36905559

ABSTRACT

In a characterization of treatment rates and healthcare costs among patients with an osteoporotic-related fragility fracture overall and by site of care, costs were high and treatment rates were low. PURPOSE: Osteoporotic fractures can be debilitating, even fatal, among older adults. The cost of osteoporosis and related fractures is projected to increase to more than $25 billion by 2025. The objective of this analysis is to characterize disease-related treatment rates and healthcare costs of patients with an osteoporotic fragility fracture overall and by site of fracture diagnosis. METHODS: In this retrospective analysis, individuals with fragility fractures were identified in the Merative MarketScan® Commercial and Medicare Databases among women 50 years of age or older and diagnosed with fragility fracture between 1/1/2013 and 6/30/2018 (earliest fracture diagnosis = index). Cohorts were categorized by clinical site of care where the diagnosis of fragility fracture was made and were continuously followed for 12 months prior to and following index. Sites of care were inpatient admission, outpatient office, outpatient hospital, emergency room hospital, and urgent care. RESULTS: Of the 108,965 eligible patients with fragility fracture (mean age 68.8), most were diagnosed during an inpatient admission or outpatient office visit (42.7%, 31.9%). The mean annual healthcare costs among patients with fragility fracture were $44,311 (± $67,427) and were highest for those diagnosed in an inpatient setting ($71,561 ± $84,072). Compared with other sites of care at fracture diagnosis, patients diagnosed during an inpatient admission also had highest proportion of subsequent fractures (33.2%), osteoporosis diagnosis (27.7%), and osteoporosis therapy (17.2%) during follow-up. CONCLUSION: The site of care for diagnosis of fragility fracture affects treatment rates and healthcare costs. Further studies are needed to determine how attitude or knowledge about osteoporosis treatment or healthcare experiences differ at various clinical sites of care in the medical management of osteoporosis.


Subject(s)
Bone Density Conservation Agents , Osteoporosis , Osteoporotic Fractures , Humans , Female , Aged , United States , Retrospective Studies , Medicare , Osteoporosis/drug therapy , Health Care Costs , Data Analysis , Bone Density Conservation Agents/therapeutic use
2.
Osteoporos Int ; 32(12): 2473-2484, 2021 Dec.
Article in English | MEDLINE | ID: mdl-34095966

ABSTRACT

Osteoporosis, a chronic disease, requires long-term therapy. In Medicare-insured women, denosumab persistence was higher than oral bisphosphonate persistence over up to 3 years of follow-up. Longer-term persistence was higher among women who persisted in the first year of therapy. INTRODUCTION: Osteoporosis, a chronic, progressive disease, requires long-term therapy; this study assessed long-term persistence with anti-resorptive therapies in postmenopausal women. METHODS: This retrospective cohort study used administrative claims for women with data in the 100% Medicare osteoporosis sample who initiated (index date) denosumab, oral/intravenous (IV) bisphosphonate, or raloxifene between 2011 and 2014 and who had ≥ 1 year (zoledronic acid: 14 months) of pre-initiation medical/pharmacy coverage (baseline). Persistence was assessed from index date through end of continuous coverage, post-index evidence of censoring events (e.g., incident cancer), death, or end of study (December 31, 2015). RESULTS: The study included 318,419 oral bisphosphonate users (78% alendronate), 145,056 denosumab users, 48,066 IV bisphosphonate users, and 31,400 raloxifene users; mean age ranged from 75.5 years (raloxifene) to 78.5 years (denosumab). In women with at least 36 months of follow-up (denosumab N = 25,107; oral bisphosphonates N = 79,710), more denosumab than oral bisphosphonate initiators were persistent at 1 year (73% vs. 39%), 2 years (50% vs. 25%), and 3 years (38% vs. 17%). Persistence decreased over time for all treatment groups, with denosumab users having the highest persistence in every follow-up time interval at or after 18 months. Women using denosumab, oral bisphosphonates, or raloxifene who persisted in a given year were more likely to remain persistent through the subsequent year. CONCLUSIONS: Denosumab users persisted longer with therapy than women using other anti-resorptive medications, including oral bisphosphonates. Early persistence may predict long-term persistence. Overall persistence with osteoporosis medications is suboptimal and may impact fracture risk. Efforts to improve first year persistence are needed.


Subject(s)
Bone Density Conservation Agents , Osteoporosis, Postmenopausal , Osteoporosis , Aged , Bone Density Conservation Agents/therapeutic use , Denosumab/therapeutic use , Diphosphonates/therapeutic use , Female , Humans , Medicare , Medication Adherence , Osteoporosis, Postmenopausal/drug therapy , Retrospective Studies , United States/epidemiology
3.
Arch Osteoporos ; 13(1): 124, 2018 11 12.
Article in English | MEDLINE | ID: mdl-30421141

ABSTRACT

In clinical practice, the frequency of patients achieving improved T-scores and the expected change in bone mineral density (BMD) according to osteoporosis drugs is unknown. We found that osteoporosis medications infrequently achieve improved femoral neck T-scores over 1.2 years. BMD increases were more often seen with IV bisphosphonates and denosumab. PURPOSE: To determine the frequency of osteoporosis patients achieving improvement in T-scores and quantify the change in bone mineral density (BMD) over time according to osteoporosis medication use. METHODS: The study included all patients receiving clinical care at United Osteoporosis Centers, Gainesville, GA, 1995-2015, who had at least two measures of femoral neck BMD (N = 1232). We evaluated successive pairs of BMD tests to describe the distribution of transitions between T-score categories. Generalized estimating equations were used to estimate %BMD change between successive pairs of BMD tests according to osteoporosis medication, adjusted for age, sex, height, weight, baseline BMD, previous fracture, and follow-up time. RESULTS: Mean (±SD) age was 68 (±10) years, and 90% of patients were women. Mean baseline T-score was - 2.04 (± 0.85). In total, 1232 patients had 4918 pairs of successive BMD tests, with a mean 1.2 years (± 0.9) between assessments. Frequency of transition to an improved T-score category was 41% when prior T-score ≤ - 3.5, and 15% when prior T-score - 1.99 to - 1.50. Most individuals (69%) remained in the same T-score category. BMD increased 0.54% (95% CI 0.23-0.85%) with IV bisphosphonates and 1.23% (95% CI 0.56-1.90%) with denosumab, whereas no significant change was seen with oral bisphosphonates, teriparatide, or raloxifene. CONCLUSIONS: Osteoporosis patients are unlikely to improve femoral neck T-scores over 1.2 years. Additional studies are needed to determine the optimal time to repeat BMD testing while receiving osteoporosis treatment and to determine whether fracture risk is reduced in patients who achieve target T-scores.


Subject(s)
Bone Density Conservation Agents/therapeutic use , Bone Density/drug effects , Osteoporosis/drug therapy , Osteoporosis/physiopathology , Aged , Denosumab/therapeutic use , Diphosphonates/therapeutic use , Female , Femur Neck/physiopathology , Humans , Longitudinal Studies , Male , Middle Aged , Raloxifene Hydrochloride/therapeutic use , Teriparatide/therapeutic use , Time Factors , Treatment Outcome
4.
Int J Clin Pract ; 71(3-4)2017 Mar.
Article in English | MEDLINE | ID: mdl-28371019

ABSTRACT

BACKGROUND: Adherence and persistence rates of anticholinergic (ACH) therapies have been well described. To date, few studies describe these metrics for mirabegron in patients with overactive bladder. METHODS: This retrospective analysis of MarketScan® database assessed adherence and persistence of patients receiving either mirabegron or ACH. Study eligibility required an index date (first prescription filled) between July 2012 and June 2013 with 12 months of continuous enrolment preindex date and 12 months of follow-up. Adherence was defined as a proportion of days covered of ≥ 80% among patients with at least 2 fills of index medication. Persistence measures included treatment failure described as either treatment discontinuation (medication supply gap ≥ 30 days) or switching to a different medication. A medication supply gap of ≥ 45 days was used as a sensitivity analysis. RESULTS: The mean age of mirabegron users (n = 4037) was 67 years and 43% were ACH naïve while the mean age of ACH users was 62 years (n = 67,943). Over the 12-month follow-up period, 44% of patients treated with mirabegron and 31% of patients treated with ACH were adherent to their indexed medications. Treatment failure was 81% for mirabegron and 88% for ACH. Most mirabegron treatment failures were because of treatment discontinuation (67%) versus switching to ACH therapy (14%). The ACH discontinuation rate was 84% and treatment switching rate was 4%. The mean (standard deviation) time to treatment failure was 143 (130) days for mirabegron and 69 (69) days for ACH. Adherence and persistence patterns were similar in the sensitivity analysis using a ≥ 45-day supply gap threshold. CONCLUSIONS: This real-world study demonstrated low adherence and persistence to mirabegron similar to ACH therapies.


Subject(s)
Acetanilides/therapeutic use , Cholinergic Antagonists/therapeutic use , Patient Compliance/statistics & numerical data , Thiazoles/therapeutic use , Urinary Bladder, Overactive/drug therapy , Urological Agents/therapeutic use , Adult , Aged , Databases, Factual , Delayed-Action Preparations , Female , Humans , Male , Middle Aged , Retrospective Studies , Treatment Refusal/statistics & numerical data , Urinary Bladder, Overactive/prevention & control
5.
Ann Pharmacother ; 36(7-8): 1175-7, 2002.
Article in English | MEDLINE | ID: mdl-12086550

ABSTRACT

BACKGROUND: Depression is a common problem in elderly patients and is frequently treated with selective serotonin-reuptake inhibitors (SSRIs). OBJECTIVE: To report a case of delayed recurrent hyponatremia after switching from one SSRI to another. CASE SUMMARY: An 87-year-old depressed woman began treatment with fluvoxamine. One week later, she was diagnosed with hyponatremia, most likely syndrome of inadequate antidiuretic hormone. Following discontinuation of fluvoxamine, the serum sodium concentration normalized. Later, she began treatment with paroxetine. Sixteen months after initiating paroxetine, she developed symptomatic recurrent hyponatremia. After paroxetine was discontinued, the sodium concentration normalized. DISCUSSION: In this case, unlike those previously reported, hyponatremia recurred 16 months after a different SSRI was initiated. The Naranjo probability scale indicates a probable relationship between recurrent hyponatremia and paroxetine. The mechanism of SSRI-induced hyponatremia is multifactorial. CONCLUSIONS: This case illustrates that replacement of one SSRI with another can cause delayed, recurrent hyponatremia in elderly patients. Plasma sodium concentrations must be monitored, not only in the first weeks of treatment, but throughout the full course.


Subject(s)
Fluvoxamine/adverse effects , Inappropriate ADH Syndrome/chemically induced , Paroxetine/adverse effects , Selective Serotonin Reuptake Inhibitors/adverse effects , Sodium/blood , Aged , Aged, 80 and over , Female , Humans , Recurrence , Time Factors
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