Publications by authors named "Samuel K Peasah"

Objective: This study sought to identify: (1) the demographic and clinical characteristics of very high-cost users (defined as patients with pharmaceutical expenditures that were equal to or greater than the 99th percentile), (2) whether or not these characteristics changed over time, (3) sociodemographic and clinical correlates of being very high-cost users, (4) the average pharmaceutical costs of very-high cost users, and (5) the therapeutic classes and medications that contributed to these high costs.

Background: There are growing public concerns about rising drug costs, in part due to increased availability, greater effectiveness, and market considerations. There is a concentrated portion of patients that accounts for a disproportionately large portion of pharmaceutical expenditures.

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Background: Outcomes-based agreements (OBAs) are agreements between payers and manufacturers in which payment for medications is tied to patient outcomes. These contracts aim to measure the value of prescription medications on predefined clinical indicators in real-world patient populations. OBAs are gaining traction in the United States as the health care industry shifts from volume-based to value-based care.

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Objective: To assess patient reported outcomes of patients with migraine receiving preventative medications, and to compare patient reported outcomes and unplanned care of patients on calcitonin gene-related peptide inhibitors (CGRPi) with those on other preventative medications.

Background: Patient reported outcome measures can be useful in conditions such as migraine with frequent disability. CGRPi are newer migraine preventative medications that can improve patients' quality of life.

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Objective: Attention-deficit hyperactive disorder (ADHD) is one of the most common psychiatric disorders among children, with estimated prevalence of 7% to 15% worldwide. The aim of this analysis was to update and summarize trends in diagnosis, demographics, and drug utilization of pediatric patients with ADHD.

Methods: We used the Agency for Health care Research and Quality Medical Expenditure Panel Survey (MEPS), a survey of US individuals, families, their medical providers, and employers, using datasets from 2016 to 2019.

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Background: Disease-modifying anti-rheumatic drugs (DMARDs), since their introduction in 1990, have revolutionized the management of rheumatoid arthritis. Newer DMARDs have recently been approved, influencing treatment patterns and clinical guidelines.

Objective: To update the current prescribing patterns of DMARDs in the pharmacotherapy of rheumatoid arthritis (RA) to include the pandemic era.

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Background: Improving medication adherence remains an important goal to improve therapeutic outcomes and lower health care costs. Point-of-sale prescription costs and forgetfulness remain top reasons why patients do not adhere to medications. Programs using both text message-based reminders and financial incentives may encourage patients to refill their prescriptions on time by reducing copays through discounts at the point of sale.

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Background: Outcomes-based agreements (OBA) are performance-based risk-sharing agreements between manufacturers and payers which provide the opportunity for collection and evaluation of real-world outcomes to supplement clinical trials.

Objectives: To describe an OBA comparing ticagrelor to clopidogrel in patients admitted with acute coronary syndrome (ACS) and proportion of recurrent myocardial infarction (MI) in a real-world setting.

Methods: Commercial (CM) and Medicare (MC) insurance patients of a large regional health plan, who presented with ACS and were prescribed either ticagrelor or clopidogrel were prospectively analyzed.

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Background PCSK9is (proprotein convertase subtilisin/kexin type 9 inhibitors) are well tolerated, potently lower cholesterol, and decrease cardiovascular events when added to statins. However, statin adherence may decrease after PCSK9i initiation and alter clinical outcomes. We evaluate the association of PCSK9i initiation on statin discontinuation and adherence.

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Objective: The aim of the study is to assess the impact of ≥15% body mass index (BMI) reduction on employees' health expenditures.

Methods: We retrospectively analyzed health risk assessment surveys combined with insurance claims from January 2014 to December 2019. We compared costs of employees with baseline BMI > 30 who reported ≥15% BMI reduction in subsequent health risk assessment reports with employees who lost ≤5% BMI within the same period, matching the two cohorts on demographics and costs.

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Value-based health care is expanding through payment models such as outcomes-based agreements between manufacturers and payers. To describe the total-cost-of-care outcomes of an outcomes-based agreement evaluating the real-world impact of empagliflozin vs other type 2 diabetes mellitus (T2DM) drugs among all patients with T2DM, with and without cardiovascular disease (within and beyond the requirement of the agreement). In this prospective real-world analysis, members from the health plan of an integrated health care delivery system from the commercial and Medicare Advantage lines of business, who qualify under the confines of the contract, were included for analysis.

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Although metformin is generally universally recommended as a first-line pharmacologic therapy for most people living with type 2 diabetes, second-line and third-line choices can require a tailored approach to achieve optimal blood glucose and glycated hemoglobin levels. To examine national trends in second- and third-line antihyperglycemic medications following metformin monotherapy, comparing 2015 and 2019. This retrospective cohort analysis of deidentified pharmacy claims from a large national pharmacy benefits manager from January 1, 2015, to December 31, 2015, and again in January 1, 2019, to December 31, 2019, included adults (aged ≥ 18 years) continuously enrolled in commercial or Medicare insurance plans who filled an index metformin prescription in either year.

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Objective: This study examines changes in utilization and costs trends associated with migraine medications.

Background: Migraine attacks are a burden to many patients. There are many pharmacotherapy options available with newer migraine drug classes entering the market in the past decade.

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Background: Examine baseline factors associated with a new diagnosis of opioid use disorder (OUD) within 12 months postdischarge among opioid-naïve patients who received an opioid prescription in the inpatient setting.

Design/setting: Retrospective cohort (surgery and nonsurgery) study of opioid-naive patients who had at least one prescription for an opioid during an inpatient hospitalist between 2014 and 2017.

Participants: Twenty-three thousand and thirty-three patients were included.

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Recent studies have suggested that extended duration oral contraceptive pills (OCP), such as the 12-month duration, have a positive impact on pregnancy rates but negative impact on pill wastage. Several states have since been mandating health plans to offer extended duration OCP as an option for women. The objective of the study was to evaluate the impact of these mandates on utilization of extended duration OCPs.

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Introduction: The COVID-19 pandemic has had a significant impact on healthcare delivery. Although others have documented the impact on new cancer diagnoses, trends in new starts for oncology drugs are less clear. We examined changes in new users of oral oncology medications in the US following COVID-19 stay-at-home orders in 2020 compared to prior years.

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Background: Although hospital readmission rates are declining nationally, avoidable readmissions remain a public health concern. Effective readmission interventions are multifaceted and include discharge planning and transition-of-care coordination. Clinical pharmacists are effective contributors to these processes, bringing expertise to discharge counseling, medication reconciliation, medication adherence, and postdischarge follow-up counseling.

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Background: Acute coronary syndrome (ACS)-related readmission is an important hospital quality measure. Medication management therapy, especially adherence to antiplatelet agents post discharge, could play an important role in reducing readmission rates. Newer agents such as ticagrelor and prasugrel have been shown, in randomized control trials, to have superior effectiveness to cardiovascular outcomes compared to clopidogrel, but they are more expensive and have more common adverse events such as bleeding and dyspnea.

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Objective: The objective of this study was to describe national changes in utilization and associated costs of antidiabetic medications in the United States from 2014 to 2019, across different drug classes and insurance plans.

Research Design And Methods: This retrospective, cross-sectional study examined administrative claims from a large national pharmacy benefits manager from January 1, 2014, to December 31, 2019. Patients aged 18 years and above enrolled in commercial, Medicare, or Medicaid health plans who filled ≥1 prescription claim for an antidiabetic medication(s) during the 6-year period were included.

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Although medication therapy management (MTM) has specific eligibility criteria and is mandated for specific Medicare Part D enrollees, some health plans have expanded MTM eligibility beyond the minimum criteria to include other Medicare Part D enrollees, Medicaid, and commercial health plan patients. Differences exist in the mode of delivery, location of services, type of personnel involved in managing the service, and the subsequent outcomes. The type and intensity of MTM services delivered have evolved with time to more streamlined and robust interventions, necessitating ongoing evaluation of the effect on clinical and economic outcomes.

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Background: Adherence to antiepileptic drugs (AEDs) remains the primary management tool to prevent recurrent seizures in patients with epilepsy. Adverse events associated with AEDs could have an impact on adherence and result in treatment failures.

Objective: The goal of this study was to assess the association between adverse events and discontinuation of AEDs for AED-naïve patients with epilepsy.

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To develop and implement a multimodal structured approach to intentional interprofessional experiential education at a non-academic community hospital, and to evaluate students' perceptions of the program. A multimodal structured approach to intentional interprofessional experiential education was designed that consisted of medical and pharmacy students participating together in daily pre-rounds, daily teaching rounds, and once or twice weekly lunch-and-learn sessions at a non-academic community hospital. Pre- and post-experience surveys were administered to assess students' perceptions of physician and pharmacist collaboration in interprofessional education (IPE).

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To design and implement an elective course on pharmaceutical industry practice and assess its impact on student pharmacists' knowledge and perceptions. This was a two-credit hour, elective course offered to second- and third-year student pharmacists during the 2015 and 2016 spring semesters. The goal of this course was to provide instruction regarding skills and competencies for pharmaceutical industry practice.

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Recent guidelines recommend direct acting oral anticoagulants (DOAC) over vitamin-k antagonist (VKA) for acute venous thromboembolism (VTE). Non-adherence to anticoagulation has been associated with increased frequency of VTE or stroke. This study evaluated 90 day persistence among patients prescribed rivaroxaban or warfarin for the treatment of acute VTE at an academic safety net hospital.

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