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1.
PLoS One ; 19(6): e0302287, 2024.
Article in English | MEDLINE | ID: mdl-38843244

ABSTRACT

BACKGROUND: The pharmacist plays an essential role in identifying and managing drug-related problems. The aim of this research was to assess the costs avoided by clinical pharmacist interventions to resolve drug-related problems. RESEARCH DESIGN AND METHODS: Clinical pharmacists identified drug-related problems and interventions to address them in consecutive outpatients visiting internal medicine clinics at major teaching and public hospitals in Jordan from September 2012 to December 2013. The costs avoided by each intervention to address drug-related problems were collected from the literature. The collected data were used to calculate the overall cost saved and avoided by the interventions implemented to address the identified drug-related problems, adopting a Jordanian healthcare system perspective. RESULTS: A total of 2747 patients were enrolled in the study. Diagnostic interventions, such as the need for additional diagnostic testing, were employed in 95.07% of the 13935 intervention to address the drug-related problem "Miscellaneous" which was the most frequent drug-related problems. Other common drug-related problems categories included inappropriate knowledge (n = 6972), inappropriate adherence (4447), efficacy-related drug-related problem (3395) and unnecessary drug therapy (1082). The total cost avoided over the research period was JOD 1418720 per month and total cost saved over the study period was JOD 17250.204. Drug-related problems were associated the number of prescription medications (odds ratio = 1.105; 95% confidence interval = 1.069-1.142), prescribed gastrointestinal drugs (3.485; 2.86-4.247), prescribed antimicrobials (3.326; 1.084-10.205), and prescribed musculoskeletal drugs (1.385; 1.011-1.852). CONCLUSIONS: The study revealed that pharmacists have provided cognitive input to rationalize and optimize the medication use and prevent errors, that led to the reported projected avoided and saved expenditures via various interventions to address drug-related problems. This highlights the added economic impact to the clinical impact of drug-related problems on patients and the healthcare system. The high prevalence and cost of drug-related problems offer strong rationale for pharmacists to provide more vigilant intervention to improve patient outcomes while maintaining cost effectiveness.


Subject(s)
Ambulatory Care Facilities , Drug-Related Side Effects and Adverse Reactions , Pharmacists , Humans , Jordan , Pharmacists/economics , Male , Female , Middle Aged , Drug-Related Side Effects and Adverse Reactions/economics , Ambulatory Care Facilities/economics , Aged , Adult , Cost Savings
2.
J Med Econ ; 27(1): 653-662, 2024.
Article in English | MEDLINE | ID: mdl-38602691

ABSTRACT

OBJECTIVE: Attention-deficit/hyperactivity disorder (ADHD) medication is frequently associated with adverse events (AEs), but limited real-world data exist regarding their costs from a payer's perspective. Therefore, this study evaluated the healthcare costs associated with common AEs among adult patients treated for ADHD in the US. METHODS: Eligible adults treated for ADHD were identified from a large US claims database (1 October 2015-30 September 2021). A retrospective cohort study design was used to assess excess healthcare costs and costs directly related to AE-specific claims per-patient-per-month (PPPM) associated with 10 selected AEs during ADHD treatment. To account for all costs associated with the AE, treatment episodes with a given AE were compared to similar treatment episodes without this AE. Entropy balancing was used to create cohorts with similar characteristics. Studied AEs were selected based on their prevalence in clinical trials for common ADHD medications and were identified from ICD-10-CM diagnosis codes recorded in claims. RESULTS: Among the 461,464 patients included (mean age: 34.2 years; 45.5% males), 49.4% had ≥1 AE during their treatment episode. Treatment episodes with AEs were associated with statistically significant AE-specific medical costs (erectile dysfunction: $57; fatigue: $82; dry mouth: $90; diarrhea: $162; insomnia: $147; anxiety: $281; nausea: $299; constipation: $356; urinary hesitation: $491; feeling jittery: $723) and excess healthcare costs PPPM (erectile dysfunction: $120, fatigue: $248, insomnia: $265, anxiety: $380, diarrhea: $441, dry mouth: $485, nausea: $709, constipation: $802, urinary hesitation: $1,105, feeling jittery: $1,160; p < .05). LIMITATIONS: AEs were identified based on recorded diagnosis on medical claims and likely represent more severe AEs. Therefore, costs may not be representative of milder AEs. CONCLUSIONS: This study found that AEs occurring during ADHD treatment episodes are associated with significant healthcare costs. This highlights the potential of treatments with favorable safety profiles to alleviate the burden experienced by patients and the healthcare system.


Subject(s)
Attention Deficit Disorder with Hyperactivity , Insurance Claim Review , Humans , Attention Deficit Disorder with Hyperactivity/economics , Attention Deficit Disorder with Hyperactivity/drug therapy , Male , Female , Adult , Retrospective Studies , Drug-Related Side Effects and Adverse Reactions/economics , Middle Aged , United States , Central Nervous System Stimulants/adverse effects , Central Nervous System Stimulants/economics , Young Adult , Health Care Costs/statistics & numerical data , Health Expenditures/statistics & numerical data , Adolescent
3.
Pharmacol Res Perspect ; 10(2): e00931, 2022 04.
Article in English | MEDLINE | ID: mdl-35170862

ABSTRACT

The aim of this study was to estimate healthcare costs and mortality associated with serious fluoroquinolone-related adverse reactions in Finland from 2008 to 2019. Serious adverse reaction types were identified from the Finnish Pharmaceutical Insurance Pool's pharmaceutical injury claims and the Finnish Medicines Agency's Adverse Reaction Register. A decision tree model was built to predict costs and mortality associated with serious adverse drug reactions (ADR). Severe clostridioides difficile infections, severe cutaneous adverse reactions, tendon ruptures, aortic ruptures, and liver injuries were included as serious adverse drug reactions in the model. Direct healthcare costs of a serious ADR were based on the number of reimbursed fluoroquinolone prescriptions from the Social Insurance Institution of Finland's database. Sensitivity analyses were conducted to address parameter uncertainty. A total of 1 831 537 fluoroquinolone prescriptions were filled between 2008 and 2019 in Finland, with prescription numbers declining 40% in recent years. Serious ADRs associated with fluoroquinolones lead to estimated direct healthcare costs of 501 938 402 €, including 11 405 ADRs and 3,884 deaths between 2008 and 2019. The average mortality risk associated with the use of fluoroquinolones was 0.21%. Severe clostridioides difficile infections were the most frequent, fatal, and costly serious ADRs associated with the use of fluoroquinolones. Although fluoroquinolones continue to be generally well-tolerated antimicrobials, serious adverse reactions cause long-term impairment to patients and high healthcare costs. Therefore, the risks and benefits should be weighed carefully in antibiotic prescription policies, as well as with individual patients.


Subject(s)
Anti-Bacterial Agents/adverse effects , Fluoroquinolones/adverse effects , Health Care Costs/statistics & numerical data , Adverse Drug Reaction Reporting Systems/statistics & numerical data , Anti-Bacterial Agents/economics , Databases, Factual/statistics & numerical data , Decision Trees , Drug-Related Side Effects and Adverse Reactions/economics , Drug-Related Side Effects and Adverse Reactions/epidemiology , Drug-Related Side Effects and Adverse Reactions/mortality , Finland , Fluoroquinolones/economics , Humans , Retrospective Studies
5.
Eur J Clin Pharmacol ; 78(2): 159-170, 2022 Feb.
Article in English | MEDLINE | ID: mdl-34611721

ABSTRACT

PURPOSE: Although medication-related adverse events (MRAEs) in health care are vastly studied, high heterogeneity in study results complicates the interpretations of the current situation. The main objective of this study was to form an up-to-date overview of the current knowledge of the prevalence, risk factors, and surveillance of MRAEs in health care. METHODS: Electronic databases (PubMed, MEDLINE, Web of Science, and Scopus) were searched with applicable search terms to collect information on medication-related adverse events. In order to obtain an up-to-date view of MRAEs, only studies published after 2000 were accepted. RESULTS: The prevalence rates of different MRAEs vary greatly between individual studies and meta-analyses. Study setting, patient population, and detection methods play an important role in determining detection rates, which should be regarded while interpreting the results. Medication-related adverse events are more common in elderly patients and patients with lowered liver or kidney function, polypharmacy, and a large number of additional comorbidities. However, the risk of MRAEs is also significantly increased by the use of high-risk medicines but also in certain care situations. Preventing MRAEs is important as it will decrease patient mortality and morbidity but also reduce costs and functional challenges related to them. CONCLUSIONS: Medication-related adverse events are highly common and have both immediate and long-term effects to patients and healthcare systems worldwide. Conclusive solutions for prevention of all medication-related harm are impossible to create. In the future, however, the development of efficient real-time detection methods can provide significant improvements for event prevention and forecasting.


Subject(s)
Drug-Related Side Effects and Adverse Reactions/epidemiology , Medication Errors/adverse effects , Medication Errors/statistics & numerical data , Age Factors , Drug-Related Side Effects and Adverse Reactions/economics , Humans , Liver Failure/epidemiology , Meta-Analysis as Topic , Multimorbidity , Pharmacovigilance , Polypharmacy/statistics & numerical data , Renal Insufficiency/epidemiology , Risk Factors , Systematic Reviews as Topic
6.
Pharmacol Res Perspect ; 9(5): e00862, 2021 10.
Article in English | MEDLINE | ID: mdl-34546005

ABSTRACT

The standard approach for dose individualization of chemotherapy in the oncology setting has long been based on body surface area (BSA) as a measure of body size. However, for many anticancer drugs, administration of dosages based on BSA may result in some patients receiving supratherapeutic or subtherapeutic concentrations due to substantial interindividual pharmacokinetic variability. Therapeutic drug monitoring (TDM)-guided dosing aims to ensure that the patient's serum drug concentration is in a target range which has been shown to produce optimal clinical outcomes. The management of several malignancies is now moving away from using traditional intravenous chemotherapy to longer-term treatment with targeted molecular therapies. These targeted anticancer drugs are currently dosed based on a fixed dose for all patients. The pharmacokinetic characteristics of most of these drugs (e.g., tyrosine-kinase inhibitors) support implementation of individualized dosing via TDM. However, prior to adopting TDM-guided dosing in oncology settings, the economic efficiency and value for money of introducing TDM interventions should be critically and systematically examined along with the impacts on patient care and outcomes. Yet, current evidence in this area is limited, and more generally, there is lack of methodological guidance on how to identify, estimate and value clinical and cost information necessary to conduct economic evaluations of TDM interventions. In this paper, we propose a coherent framework for conducting economic evaluation of TDM interventions in oncology settings and discuss some practical challenges of conducting economic evaluations of TDM.


Subject(s)
Antineoplastic Agents/administration & dosage , Cost-Benefit Analysis , Drug Monitoring/economics , Antineoplastic Agents/economics , Dose-Response Relationship, Drug , Drug Costs , Drug Dosage Calculations , Drug Monitoring/methods , Drug-Related Side Effects and Adverse Reactions/economics , Humans , Medical Oncology , Progression-Free Survival , Quality-Adjusted Life Years , Survival Rate
8.
S Afr Med J ; 110(4): 296-301, 2020 Mar 30.
Article in English | MEDLINE | ID: mdl-32657741

ABSTRACT

BACKGROUND: There has been no comprehensive study determining the financial burden of breast cancer in the South African (SA) public sector. OBJECTIVES: To develop a method to determine the cost of breast cancer treatment with chemotherapy per episode of care and to quantify the associated costs relating to chemotherapy at Groote Schuur Hospital (GSH), a government hospital in SA. These costs included costs associated with the management of adverse events arising from chemotherapy. METHODS: Retrospective patient-level data were collected for 200 patients from electronic databases and patient folders between 2013 and 2015. Direct medical costs were determined from the health funder's perspective. The information collected was categorised into the following cost components: chemotherapy medicines, support medicines, administration of chemotherapy, laboratory tests, radiology scans and imaging, doctor consultations and adverse events. Time-and-motion studies were conducted on a set of new patients and the data obtained were used for the study sample of 200 patients. All the above costs were used to determine the cost of chemotherapy per episode of care. The episode of care was defined as the care provided from 2 months prior to the date of commencing chemotherapy (pre-chemotherapy phase), during chemotherapy (treatment phase) and until 6 months after the date when the last cycle of chemotherapy was administered (follow-up phase). RESULTS: A method was developed to determine the episode-of-care costs for breast cancer at GSH. The total direct medical cost for treatment of breast cancer at GSH for 200 patients was ZAR3 154 877, and the average episode-of-care cost per patient was ZAR15 774. The average cost of management of adverse events arising from the various treatment modalities was ZAR13 133 per patient. It was found that the cost of treating a patient with adverse events was 1.8 times higher than the cost of treating a patient without adverse events. Of the patients, 86.5% managed to complete their prescribed chemotherapy treatment cycles, and the average cost of treatment of these patients was 1.3 times more than the average cost for patients who could not complete their treatment, based on the number of treatment cycles received. CONCLUSION: A comprehensive method to determine the costs associated with breast cancer management per episode of care was developed, and costs were quantified at GSH according to the treatment protocol used at the hospital.


Subject(s)
Antineoplastic Agents/economics , Breast Carcinoma In Situ/drug therapy , Breast Neoplasms/drug therapy , Carcinoma, Ductal, Breast/drug therapy , Carcinoma, Lobular/drug therapy , Drug-Related Side Effects and Adverse Reactions/economics , Health Care Costs/statistics & numerical data , Hospitals, Public/economics , Adult , Aged , Breast Carcinoma In Situ/economics , Breast Carcinoma In Situ/pathology , Breast Neoplasms/economics , Breast Neoplasms/pathology , Carcinoma, Ductal, Breast/economics , Carcinoma, Ductal, Breast/pathology , Carcinoma, Lobular/economics , Carcinoma, Lobular/pathology , Chemotherapy, Adjuvant/economics , Clinical Laboratory Techniques/economics , Diagnostic Imaging/economics , Drug Costs/statistics & numerical data , Episode of Care , Female , Humans , Middle Aged , Neoadjuvant Therapy/economics , Palliative Care/economics , Prescription Fees/statistics & numerical data , Referral and Consultation/economics , Retrospective Studies , South Africa , Time and Motion Studies , Young Adult
9.
Pharmacogenomics ; 21(11): 797-807, 2020 07.
Article in English | MEDLINE | ID: mdl-32635813

ABSTRACT

The incorporation of personalized medicine interventions into routine healthcare constitutes an opportunity to improve patients' quality of life, as it empowers implementation of innovative, individualized clinical interventions that maximize efficacy and/or minimize the risk of adverse drug reactions. In order to ensure equal access to genomic testing for all patients, the costs associated with these interventions must be reimbursed by payers and insurance bodies. As such, it is of utmost importance to thoroughly evaluate these interventions both in terms of their clinical effectiveness and their economic cost. This article discusses the impact of personalized medicine interventions in terms of both health outcomes and value, which directly impacts on their pricing and reimbursement by the various national healthcare systems.


Subject(s)
Insurance, Health, Reimbursement/economics , Outcome Assessment, Health Care/economics , Patient Care/economics , Pharmacogenetics/economics , Precision Medicine/economics , Drug-Related Side Effects and Adverse Reactions/economics , Drug-Related Side Effects and Adverse Reactions/genetics , Health Policy/economics , Health Policy/trends , Humans , Insurance, Health, Reimbursement/trends , Outcome Assessment, Health Care/trends , Patient Care/trends , Pharmacogenetics/trends , Precision Medicine/trends
10.
Afr J Prim Health Care Fam Med ; 12(1): e1-e5, 2020 Jun 30.
Article in English | MEDLINE | ID: mdl-32634006

ABSTRACT

BACKGROUND: This study is coming against the background of people with epilepsy who are abandoning anti-epilepsy medication in developing countries, such as Zimbabwe. AIM: The aim of this article was therefore to review the general side effects and challenges associated with these anti-epilepsy medications. SETTING: The researchers reviewed literature related to the general side effects, psychological, social and economic challenges associated with anti- epilepsy medication. METHODS: To answer the research questions, the researchers used a narrative approach. RESULTS: Findings of the study reflected that the general side effects associated with anti- epilepsy medication include feelings of tiredness, stomach upset, dizziness or blurred vision, which usually happen during the first weeks of taking medicines. Psychologically, an individual with epilepsy may suffer cognitive problems that are associated with thinking, remembering, paying attention or concentrating and finding the right words to use. Socially, people with epilepsy experience social isolation, dependent behaviour, low rates of marriages, unemployment and reduced quality of life. Using anti-epilepsy medication is also associated with economic challenges. CONCLUSION: The researchers concluded that some people with epilepsy have discontinued using anti-epilepsy medications because of these side effects and challenges.


Subject(s)
Anticonvulsants/adverse effects , Drug-Related Side Effects and Adverse Reactions , Epilepsy/drug therapy , Medication Adherence , Cognition/drug effects , Developing Countries , Drug-Related Side Effects and Adverse Reactions/economics , Drug-Related Side Effects and Adverse Reactions/psychology , Employment , Epilepsy/complications , Female , Humans , Male
11.
J Manag Care Spec Pharm ; 26(6): 729-740, 2020 Jun.
Article in English | MEDLINE | ID: mdl-32463768

ABSTRACT

BACKGROUND: Non-small cell lung cancer (NSCLC) is the most common form of lung cancer in the United States. Immunotherapies and cytotoxic chemotherapies used to treat advanced NSCLC carry a substantial risk of adverse events (AEs), but real-world data on the incidence and costs associated with the unique AE profiles of these treatments are sparse. OBJECTIVE: To examine the AE incidence and costs among patients initiating non-driver mutation-targeted first-line therapy for metastatic NSCLC (mNSCLC) in clinical practice. METHODS: This was a retrospective administrative claims study conducted among commercial and Medicare Advantage health plan members who initiated first-line, nontargeted systemic anti-NSCLC therapy between January 1, 2008, and February 28, 2018. Patients were assigned to mutually exclusive treatment cohorts (cytotoxic chemotherapy [CHEM], immuno-oncology agents [IO], or immuno-oncology + cytotoxic chemotherapy [IO-CHEM]) and were observed from the index date (start of first-line therapy) through the earliest of health plan disenrollment, death, or March 31, 2018. AE incidence rates and associated health care costs were measured from the index date through the earliest of the start of a new therapy, 180 days after the end of first-line therapy, or the end of the study period. The factors influencing whether patients incurred high AE-related health care costs were assessed using multivariable models adjusted for patient demographic and clinical characteristics. RESULTS: The final study population (mean [SD] age 68.6 [9.5] years, 53.9% male) included 8,818 in the CHEM cohort, 482 in the IO cohort, and 412 in the IO-CHEM cohort. Overall, 74.4% had at least 1 AE during follow-up. The AE incidence rate was lowest for the IO cohort, with incidence rate ratios (95% CI) of 1.4 (1.3-1.6) for the CHEM cohort and 1.4 (1.2-1.6) for the IO-CHEM cohort. Mean AE-related costs were lowest for the IO cohort ($16,319) and highest for the CHEM cohort ($23,009; P < 0.001). In the multivariable analysis, the odds of incurring any AE costs were similar for the IO and IO-CHEM cohorts compared with the CHEM cohort (OR = 0.82; P = 0.135 and OR = 0.98; P = 0.888, respectively). Among patients who incurred AE costs, those in the IO cohort were less likely than those in the CHEM cohort to have high costs (OR = 0.60; P = 0.030); the difference between the IO-CHEM and CHEM cohorts was not statistically significant. CONCLUSIONS: Among real-world patients initiating nontargeted first-line therapy for mNSCLC, those receiving immunotherapy experienced fewer AEs and had lower total AE-related costs than those treated with cytotoxic chemotherapy. Immunotherapy-treated patients were no more likely than chemotherapy-treated patients to incur AE-related costs and were less likely to have high AE costs if they incurred any at all. These findings indicate that immunotherapy-related AEs are not a differentiating factor in cost of care for this patient population in clinical practice. DISCLOSURES: This study was sponsored by AstraZeneca. Ryan is an employee of AstraZeneca. Engel-Nitz, Johnson, and Bunner are employees of Optum, which was contracted by AstraZeneca to conduct this study, and shareholders in UnitedHealth Group. Engel-Nitz has also worked on cancer-related studies for which Optum received funding from Bayer AG, Clovis Oncology, Eli Lilly, EMD Serono, Exact Sciences, Janssen, and Novartis. Johnson worked on cancer-related studies for which Optum received funding from Eli Lilly, Medtronic, Sanofi, and UnitedHealthcare. Bunner has worked on cancer-related studies for which Optum received funding from Celgene and Incyte.


Subject(s)
Antineoplastic Combined Chemotherapy Protocols/adverse effects , Carcinoma, Non-Small-Cell Lung/drug therapy , Cost of Illness , Drug-Related Side Effects and Adverse Reactions/economics , Health Care Costs/statistics & numerical data , Lung Neoplasms/drug therapy , Administrative Claims, Healthcare/statistics & numerical data , Aged , Aged, 80 and over , Antineoplastic Combined Chemotherapy Protocols/economics , Carcinoma, Non-Small-Cell Lung/economics , Carcinoma, Non-Small-Cell Lung/mortality , Carcinoma, Non-Small-Cell Lung/secondary , Cost-Benefit Analysis/statistics & numerical data , Drug-Related Side Effects and Adverse Reactions/epidemiology , Drug-Related Side Effects and Adverse Reactions/etiology , Female , Follow-Up Studies , Humans , Incidence , Lung Neoplasms/economics , Lung Neoplasms/mortality , Lung Neoplasms/pathology , Male , Medicare/economics , Medicare/statistics & numerical data , Middle Aged , Retrospective Studies , Survival Analysis , United States
12.
Pediatr Blood Cancer ; 67(7): e28387, 2020 07.
Article in English | MEDLINE | ID: mdl-32400952

ABSTRACT

BACKGROUND: The standard practice during high-dose methotrexate (HD-MTX) in acute lymphoblastic leukemia (ALL) to mitigate toxicity is to serially monitor levels till serum MTX < 0.01 µmol/L. Most resource-limited centers lack in-house access to MTX levels, and therefore repeated monitoring is costly and cumbersome. We studied the efficacy and safety of "solitary 36 hours post HD-MTX levels (MTX36 )." PROCEDURE: This prospective observational study consecutively enrolled children with ALL receiving HD-MTX. Cycles with unavailable MTX36 and MTX36  > 10 µmol/L were excluded. HD-MTX was administered over 24 hours (BFM-2009 protocol) with 12 hours of prehydration. MTX36 were performed at other centers. Leucovorin was given in six hourly doses 36 hours post HD-MTX. Hydration was continued until the last dose of leucovorin. MTX toxicities, including change of creatinine from baseline at 36 hours (∆Cr36 ), were noted. Two groups depending on MTX36 (≤1 µmol/L vs > 1 µmol/L) received six versus eight doses of leucovorin, and toxicities were compared. RESULTS: Twenty-nine children with median age five years (1-11) who received 100 HD-MTX cycles with a median MTX dose of 3 g/m2 (2-5) were analyzed. The median MTX36 level was 1.165 µmol/L (0.1-7.32). Toxicities of HD-MTX (CTCAE-4.0): transaminitis-22%; creatinine elevation ≥ 1.25 times baseline-24%; cytopenias-16%; mucositis-17%; acute kidney injury (AKI)-6%. All toxicities were ≤CTCAE grade 3. Creatinine elevation, AKI, and mucositis were significantly higher in the group with higher MTX36 . There was no correlation (r = 0.3) between ∆Cr36 and MTX36 . MTX36 was thrice more economical than the standard protocol. CONCLUSION: MTX36 is a potential cost-effective, efficacious, and safe limited sample strategy to monitor HD-MTX, particularly in centers where in-house MTX levels are unavailable.


Subject(s)
Antimetabolites, Antineoplastic/economics , Cost-Benefit Analysis , Drug-Related Side Effects and Adverse Reactions/blood , Drug-Related Side Effects and Adverse Reactions/economics , Methotrexate/economics , Precursor Cell Lymphoblastic Leukemia-Lymphoma/economics , Antimetabolites, Antineoplastic/adverse effects , Antimetabolites, Antineoplastic/blood , Child , Child, Preschool , Developing Countries , Drug-Related Side Effects and Adverse Reactions/etiology , Female , Follow-Up Studies , Humans , Infant , Male , Methotrexate/adverse effects , Methotrexate/blood , Precursor Cell Lymphoblastic Leukemia-Lymphoma/drug therapy , Prognosis , Prospective Studies
13.
Healthc Q ; 23(1): 40-46, 2020 Apr.
Article in English | MEDLINE | ID: mdl-32249738

ABSTRACT

Annually, thousands of individuals die and tens of thousands are hospitalized in association with suspected adverse drug reactions (ADRs) in Canada. We analyzed the reports from the Canada Vigilance Adverse Reaction online database and present a synopsis of the state of ADRs in Canada between 2009 and 2018. Our synopsis includes both cross-sectional and longitudinal insights into ADR demographics, outcomes, associated drugs and disease indications. In closing, we highlight five overarching issues uncovered in our analysis, which have potential implications for future policy formulation. Further in-depth exploration is required to shine some additional light on these issues.


Subject(s)
Adverse Drug Reaction Reporting Systems/statistics & numerical data , Drug-Related Side Effects and Adverse Reactions/classification , Drug-Related Side Effects and Adverse Reactions/epidemiology , Canada/epidemiology , Drug Interactions , Drug-Related Side Effects and Adverse Reactions/economics , Drug-Related Side Effects and Adverse Reactions/mortality , Female , Hospitalization/statistics & numerical data , Humans , Male , Methotrexate/adverse effects , Patient Safety
14.
Breast ; 51: 57-64, 2020 Jun.
Article in English | MEDLINE | ID: mdl-32213442

ABSTRACT

BACKGROUND: New developments in medications for metastatic breast cancer (MBC) can be of great benefit to patients, but unfortunately these medicines also increase expenditures. Cost-utility analyses (CUAs) are needed to allocate health resources properly, and health utility values are required to calculate quality-adjusted life years in those CUAs. OBJECTIVE: The aims of this study were to measure health utility values for several MBC-related health states and certain breast cancer treatment-related grade 3/4 adverse drug reactions (ADRs). In addition, we examined whether different methods and respondents' characteristics would influence the utility values elicited. METHODS: A cross-sectional survey was conducted. The visual analogue scale (VAS) and time trade-off (TTO) methods were used to measure health utilities. Four MBC and nine ADR health states were selected for evaluation based on literature review and expert opinion. Information about respondents' demographic and clinical characteristics were collected to examine the relationship between utilities and participant characteristics. RESULTS: A total of 102 patients participated in this study. The TTO-elicited values were higher than the VAS-derived scores except for two MBC-related health states. Among the MBC health states assessed, the TTO preference score ranged from 0.04 (palliative MBC) to 0.62 (responding MBC). For grade 3/4 ADRs, the mean TTO-derived utility values ranged from 0.35 (nausea/vomiting) to 0.79 (fatigue). The ranking of the preference scores derived from the VAS was similar to that of the TTO-elicited scores. CONCLUSION: This study obtained health state utility values for MBC and grade 3/4 ADRs using both the TTO and the VAS, which provides useful data for future CUAs.


Subject(s)
Breast Neoplasms/drug therapy , Breast Neoplasms/psychology , Drug-Related Side Effects and Adverse Reactions/psychology , Health Status , Patient Preference , Adult , Aged , Breast Neoplasms/economics , Cost-Benefit Analysis , Cross-Sectional Studies , Drug-Related Side Effects and Adverse Reactions/economics , Female , Humans , Middle Aged , Quality of Life , Quality-Adjusted Life Years , Taiwan/epidemiology
15.
Expert Rev Pharmacoecon Outcomes Res ; 20(5): 481-490, 2020 Oct.
Article in English | MEDLINE | ID: mdl-31899986

ABSTRACT

Objectives: Adverse drug events (ADE) are a common cause of morbidity and mortality in elderly patients. In this study, we assessed the impact of multidisciplinary medication review (MMR) for nursing home residents on patient safety and costs incurred by the hospital and the national health service. Methods: Medical files of residents were retrospectively assessed for medications prescribed in the previous six months. A pharmacist reviewed the prescriptions and suggested modifications to the patient's medical team. Patients were followed for six months. Trivalle's ADE geriatric risk score was calculated before and after MMR, as were number of potentially inappropriate medications, and economic impact from the perspective of the health care system and the nursing home. Results: Forty-nine patients were recruited. ADE score dropped one risk level (median score of 4 before versus 1 after, p < 0.0001). The number of patients taking at least one potentially inappropriate medication decreased from 30.6% before to 6.1% after MMR (p = 0.005). A mean saving of €232 per patient was made from the nursing home perspective following MMR (p = 0.008). Conclusion: The MMR reduced the iatrogenic drug risk for elderly residents and costs from the nursing home perspective, particularly drug expenditure.


Subject(s)
Drug-Related Side Effects and Adverse Reactions/prevention & control , Pharmacists/organization & administration , Practice Patterns, Physicians'/standards , Prescription Drugs/administration & dosage , Aged , Aged, 80 and over , Controlled Before-After Studies , Drug Costs , Drug-Related Side Effects and Adverse Reactions/economics , Female , Homes for the Aged/economics , Humans , Inappropriate Prescribing/economics , Inappropriate Prescribing/prevention & control , Male , Nursing Homes/economics , Pharmaceutical Services/organization & administration , Pilot Projects , Prescription Drugs/adverse effects , Prescription Drugs/economics , Retrospective Studies
16.
J Alzheimers Dis ; 73(2): 791-799, 2020.
Article in English | MEDLINE | ID: mdl-31884468

ABSTRACT

BACKGROUND: Drug-related problems (DRP) are common in the elderly population, especially in people living with dementia (PwD). DRP are associated with adverse outcomes that could result in increased costs. OBJECTIVE: The objective of the study was to analyze the association between DRP and healthcare costs in PwD. METHODS: The analysis was based on the cross-sectional data of 424 PwD. Compliance, adverse effects, and drug administration of prescribed and over-the-counter drugs taken were assessed. DRP were identified and classified by pharmacists using an adapted German version of "PIE-Doc®". Healthcare utilization was assessed retrospectively used to calculated costs from a public payer perspective using standardized unit costs. The associations between DRP and healthcare costs were analyzed using multiple linear regression models. RESULTS: 394 PwD (93%) had at least one DRP. An inappropriate drug choice was significantly associated with increased total costs (b = 2,718€; CI95% 1,448-3,988) due to significantly higher costs for hospitalization (b = 1,936€; 670-3,202) and for medications (b = 417€; 68-765). Problems with medication dosage and drug interactions were significantly associated with higher medication costs (b = 679€; 31-1,328; and b = 630€; 259-1,001, respectively). CONCLUSIONS: DRP could significantly lead to adverse outcomes for PwD and healthcare payers, reflected by a higher hospitalization and costs, respectively. Further research is needed to clarify on interventions and approaches efficiently avoiding DRP and on the effect on patient-reported and economic outcomes.


Subject(s)
Dementia/economics , Drug-Related Side Effects and Adverse Reactions/economics , Health Care Costs/statistics & numerical data , Aged , Aged, 80 and over , Cross-Sectional Studies , Drug Interactions , Drug-Related Side Effects and Adverse Reactions/epidemiology , Female , Germany/epidemiology , Humans , Male , Nonprescription Drugs , Patient Acceptance of Health Care , Patient Compliance , Pharmacists , Prescription Drugs , Retrospective Studies , Socioeconomic Factors
17.
Expert Rev Pharmacoecon Outcomes Res ; 20(1): 139-146, 2020 Feb.
Article in English | MEDLINE | ID: mdl-31012333

ABSTRACT

Background: Adverse drug reactions (ADRs) increase health-care resource utilization, including that for emergency department (ED) visits. However, cost analyses of ADRs resulting in ED visits are scarce. Therefore, we aimed to estimate the direct medical costs before and after ADR occurrence and analyzed the cost-driving factors.Methods: The ADR cases were identified by a retrospective review of medical records of patients who visited the ED of three tertiary hospitals in South Korea from July to December 2014. The direct medical cost was estimated by the difference in costs six months before and after the ED visit. A generalized linear model was used to identify the ADR-associated cost-driving factors.Results: The mean cost per ADR increased by 26.1% (±SD = 4.3) during the six-month follow-up compared with that during the six months before the ED visit (p < 0.05). Preventable ADRs accounted for approximately 19.9% of the cost increase among all ADR cases. The regression analysis revealed that 'ADR-related hospitalization' was a significant (p < 0.05) factor leading to an increase in the direct medical costs.Conclusion: Drug-related ED visits increase the burden on health insurance systems and patients' out-of-pocket costs, mostly due to the hospitalization costs.


Subject(s)
Drug-Related Side Effects and Adverse Reactions/epidemiology , Emergency Service, Hospital/economics , Hospitalization/economics , Adult , Aged , Costs and Cost Analysis , Drug-Related Side Effects and Adverse Reactions/economics , Emergency Service, Hospital/statistics & numerical data , Female , Health Expenditures , Hospitalization/statistics & numerical data , Humans , Insurance, Health/economics , Insurance, Health/statistics & numerical data , Male , Middle Aged , Republic of Korea , Retrospective Studies , Tertiary Care Centers/economics , Tertiary Care Centers/statistics & numerical data , Young Adult
18.
J Oncol Pharm Pract ; 26(6): 1324-1330, 2020 Sep.
Article in English | MEDLINE | ID: mdl-31822200

ABSTRACT

BACKGROUND: Chemotherapy regimens historically have required admission of the patient to the hospital for extended infusions running over multiple days to complete each cycle of therapy. With the evolution of monitoring strategies readily available, a renaissance in patient care and healthcare cost utilization is necessary as transitioning the administration of these agents to the outpatient setting is seemingly achievable and is potentially more cost-effective. PURPOSE: This evaluation sought to primarily measure cost-savings for an institution by transitioning inpatient chemotherapy regimens to the outpatient setting. Secondary outcomes evaluated the effect of this transition on overall patient length of stay, prevalence of adverse effects, and overall chemotherapy schedule adherence as a result of implementing transitions in sites of care. Barriers to receiving care in the outpatient setting were assessed by evaluating the acuity of performance status as well as distance from the hospital. METHODS: This single-center retrospective, quantitative chart and expense analysis evaluated patients receiving rituximab, etoposide, prednisone, vincristine, cyclophosphamide and doxorubicin (R-EPOCH) or rituximab, ifosfamide, carboplatin, and etoposide (R-ICE) chemotherapy regimens based on treatment setting at a single institution. Included patients were treated at the University of Chicago Medical Center. Those receiving inpatient-only management as compared with patients who received therapy in outpatient settings were compared in a matched cohort analysis. The control group was matched from the period before transition of therapy was instituted between November 2014 and November 2015, with those patients transitioned to outpatient therapy (December 2015 to November 2016), using demographic, diagnostic, treatment, and clinical status data to assure group similarity. Mean cost of therapy was compared between inpatient and outpatient regimens. Descriptive and demographic categorical data were compared using the Fisher's exact test. Continuous data were evaluated using the Student's t test. A significance level of alpha <0.05 was used for all analysis. RESULTS: The cost of R-EPOCH therapy represented a significant difference across groups. R-ICE therapy similarly saw significant cost differences between inpatient and outpatient groups. If this was made standard of care for qualifying patients a retrospective annualized estimation of $466,507.85 with R-EPOCH therapy and $205,977.60 for R-ICE therapy could have been saved if this was utilized for patients who previously received their therapy as an inpatient. CONCLUSION: The population of patients cared for at the University of Chicago Medicine during this time-period qualified for outpatient treatment for those treated with R-EPOCH and R-ICE regimens with no significantly identifiable prohibitive barriers between groups. As no significant complications manifested, it is reasonable to continue transitioning patients receiving these regimens to the outpatient setting where appropriate. R-EPOCH and R-ICE therapies were shown to be reasonable outpatient therapy while providing significant cost-savings for the institution.


Subject(s)
Ambulatory Care/methods , Antineoplastic Combined Chemotherapy Protocols/administration & dosage , Hospitalization , Lymphoma, Non-Hodgkin/drug therapy , Patient Transfer/methods , Adult , Aged , Ambulatory Care/economics , Antineoplastic Combined Chemotherapy Protocols/adverse effects , Antineoplastic Combined Chemotherapy Protocols/economics , Cohort Studies , Cost Savings , Drug-Related Side Effects and Adverse Reactions/economics , Drug-Related Side Effects and Adverse Reactions/etiology , Drug-Related Side Effects and Adverse Reactions/prevention & control , Female , Hospitalization/economics , Humans , Inpatients , Lymphoma, Non-Hodgkin/diagnosis , Lymphoma, Non-Hodgkin/economics , Male , Middle Aged , Outpatients , Patient Transfer/economics , Retrospective Studies
19.
Clin Exp Pharmacol Physiol ; 47(2): 333-336, 2020 02.
Article in English | MEDLINE | ID: mdl-31617607

ABSTRACT

Aging is a complex process and many factors in the elderly, especially multiple diseases and related unnecessary drug use, support a deprescription approach to this age group to save money and health cost. In this review, we have searched for studies related to the pharmacoeconomic aspect of this deprescription approach in the elderly. Few studies are available, but they are promising and effective in paving the way for prospective longitudinal studies to assess the role of deprescription in optimizing the drugs prescribed to aged patients in a way that reduces the costs of both drug adverse effects and/or hospitalization. Awareness of deprescription is important not only to society, but also to hospital stuff and individual patients.


Subject(s)
Deprescriptions , Drug-Related Side Effects and Adverse Reactions/economics , Drug-Related Side Effects and Adverse Reactions/prevention & control , Economics, Pharmaceutical/trends , Aged , Aged, 80 and over , Drug-Related Side Effects and Adverse Reactions/epidemiology , Female , Humans , Male , Polypharmacy
20.
Cancer Med ; 9(1): 133-140, 2020 01.
Article in English | MEDLINE | ID: mdl-31721474

ABSTRACT

BACKGROUND: To evaluate the appropriateness of chemotherapy use at the Oncology Department of the Bugando Medical Centre of Mwanza, Tanzania. METHODS: The study was an observational prevalence-based study designed to evaluate a single-chemotherapy cycle during a defined time period for a cross-section of patients at varying stages of their clinical history. The sample included 103 consecutive subjects who were treated during January-March 2017 and had at least one previous cycle. Chemotherapy treatment omissions, cycle delays, and dose reductions and their causes were recorded using a standard form that included demographic, anthropometric, and clinical items. The data were analyzed descriptively. RESULTS: There were 59 males (57.3%) and 44 females (42.7%). Ninety-four patients were aged ≥18 years. Considering cancer type/site, there were 23 distinct groups of patients. The recorded number of drugs in the chemotherapy regimens varied between one and five. The median cycle number was three (range: 2-11). Sixty-eight (66.0%) patients were treated in a standard fashion. For the remaining, cycle delay and dose reduction were the most common cause for nonstandard treatment. Hematologic toxicity was responsible for the greater part of cycle delays, whereas dose reductions were accounted for by a larger spectrum of causes. Overall, toxicity explained 21/35 (60.0%) patients receiving nonstandard treatment. The distribution of toxic events was skewed toward grade 1 and grade 2. CONCLUSIONS: The observed level of appropriateness of chemotherapy was encouraging. The proportion of patients experiencing severe toxic effects was lower than expected.


Subject(s)
Antineoplastic Combined Chemotherapy Protocols/administration & dosage , Cancer Care Facilities/statistics & numerical data , Drug-Related Side Effects and Adverse Reactions/epidemiology , Health Resources/statistics & numerical data , Neoplasms/drug therapy , Adolescent , Adult , Aged , Antineoplastic Combined Chemotherapy Protocols/adverse effects , Antineoplastic Combined Chemotherapy Protocols/economics , Cancer Care Facilities/economics , Child , Cross-Sectional Studies , Drug-Related Side Effects and Adverse Reactions/diagnosis , Drug-Related Side Effects and Adverse Reactions/economics , Female , Health Care Costs/statistics & numerical data , Health Resources/economics , Humans , Male , Medication Adherence/statistics & numerical data , Middle Aged , Neoplasms/epidemiology , Prevalence , Retrospective Studies , Severity of Illness Index , Tanzania/epidemiology , Treatment Outcome , Young Adult
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