scholarly journals Is single-inhaler triple therapy for COPD cost-effective in the UK? The IMPACT trial

2021 ◽  
pp. 00333-2021
Author(s):  
Alan Martin ◽  
Dhvani Shah ◽  
Kerigo Ndirangu ◽  
Glenn A Anley ◽  
Gabriel Okorogheye ◽  
...  
Keyword(s):  
Cost Effectiveness ◽  
Health Outcomes ◽  
Triple Therapy ◽  
Cost Effective ◽  
Sensitivity Analyses ◽  
Lifetime Horizon ◽  
Once Daily ◽  
Life Years ◽  
The Uk ◽  
The Impact

BackgroundThe IMPACT trial demonstrated superior outcomes following 52 weeks of once-daily single-inhaler treatment with fluticasone furoate/umeclidinium/vilanterol (FF/UMEC/VI) 100/62.5/25 μg compared with once-daily FF/VI (100/25 μg) or UMEC/VI (62.5/25 μg). This study evaluates the cost-effectiveness of FF/UMEC/VI compared with FF/VI or UMEC/VI for the treatment of chronic obstructive pulmonary disease (COPD) from a United Kingdom National Health Service perspective.MethodsPatient characteristics and treatment effects from IMPACT were populated into a hybrid decision tree/Markov economic model. Costs (GB£ inflated to 2018 equivalents) and health outcomes were modelled over a lifetime horizon, with a discount rate of 3.5% per annum applied to both. Sensitivity analyses were performed to test the robustness of key assumptions and input parameters.ResultsCompared with FF/VI and UMEC/VI, FF/UMEC/VI provided an additional 0.296 and 0.145 life years (LYs; discounted), and 0.275 and 0.118 quality-adjusted life years (QALYs), at an additional cost of £1129 and £760, respectively. Incremental cost-effectiveness ratios (ICERs) for FF/UMEC/VI were £4104/QALY and £3809/LY gained versus FF/VI and £6418/QALY and £5225/LY gained versus UMEC/VI. At a willingness-to-pay threshold of £20 000/QALY, the probability that FF/UMEC/VI was cost-effective was 96% versus FF/VI and 74% versus UMEC/VI. Results were similar in a subgroup reflecting patients recommended triple therapy in the 2019 National Institute for Health and Care Excellence COPD guideline.ConclusionsFF/UMEC/VI single-inhaler triple therapy improved health outcomes and was a cost-effective option compared with FF/VI or UMEC/VI for patients with symptomatic COPD and a history of exacerbations in the UK at recognised cost-effectiveness threshold levels.

scholarly journals A Cost-Effectiveness Analysis of Newborn Screening for Severe Combined Immunodeficiency in the UK

2019 ◽  
Vol 5 (3) ◽  
pp. 28 ◽  
Author(s):  
Alice Bessey ◽  
James Chilcott ◽  
Joanna Leaviss ◽  
Carmen de la Cruz ◽  
Ruth Wong
Keyword(s):  
Cost Effectiveness ◽  
Severe Combined Immunodeficiency ◽  
Cost Effective ◽  
Sensitivity Analyses ◽  
Combined Immunodeficiency ◽  
Tree Model ◽  
Life Years ◽  
The Uk ◽  
The Cost ◽  
The Impact

Severe combined immunodeficiency (SCID) can be detected through newborn bloodspot screening. In the UK, the National Screening Committee (NSC) requires screening programmes to be cost-effective at standard UK thresholds. To assess the cost-effectiveness of SCID screening for the NSC, a decision-tree model with lifetable estimates of outcomes was built. Model structure and parameterisation were informed by systematic review and expert clinical judgment. A public service perspective was used and lifetime costs and quality-adjusted life years (QALYs) were discounted at 3.5%. Probabilistic, one-way sensitivity analyses and an exploratory disbenefit analysis for the identification of non-SCID patients were conducted. Screening for SCID was estimated to result in an incremental cost-effectiveness ratio (ICER) of £18,222 with a reduction in SCID mortality from 8.1 (5–12) to 1.7 (0.6–4.0) cases per year of screening. Results were sensitive to a number of parameters, including the cost of the screening test, the incidence of SCID and the disbenefit to the healthy at birth and false-positive cases. Screening for SCID is likely to be cost-effective at £20,000 per QALY, key uncertainties relate to the impact on false positives and the impact on the identification of children with non-SCID T Cell lymphopenia.

scholarly journals Cost-utility Analysis of Second-generation Direct-acting Antivirals for Hepatitis C

2021 ◽  
Vol 21 (8) ◽  
Author(s):  
Abdollah Poursamad ◽  
Zahra Goudarzi ◽  
Iman Karimzadeh ◽  
Nahid Jallaly ◽  
Khosro Keshavarz ◽  
...  
Keyword(s):  
Cost Effectiveness ◽  
Hepatitis C ◽  
Cost Effective ◽  
Sensitivity Analyses ◽  
Genotype 1 ◽  
Medication Regimen ◽  
Lifetime Horizon ◽  
Medication Therapy ◽  
Life Years ◽  
Study Results

Background: Hepatitis C virus (HCV) can lead to increased mortality, disability, and liver transplantation if left untreated, and it is associated with a possible increase in disease burden in the future, all of which would surely have a significant impact on the health system. New antiviral regimens are effective in the treatment of the disease yet expensive. Objectives: The purpose of the present study was to assess the cost-effectiveness of three medication regimens, namely, ledipasvir/sofosbuvir (LDV/SOF), velpatasvir/sofosbuvir, and daclatasvir/sofosbuvir (DCV/SOF) for HCV patients with genotype 1 in Iran. Methods: A Markov model with a lifetime horizon was developed to predict the costs and outcomes of the three mentioned medication therapy strategies. The final outcome of the study was quality-adjusted life-years (QALYs), which was obtained using the previously published studies. The study was conducted from the perspective of the Health Ministry; therefore, only direct medical costs were estimated. The results were provided as the incremental cost-effectiveness ratio (ICER) per QALY. Ultimately, the one-way and probabilistic sensitivity analyses were used to measure the strength of study results. Results: The results showed that the QALYs for LDV/SOF, DCV/SOF, and VEL/SOF were 13.25, 13.94, and 14.61, and the costs were 4,807, 7,716, and 4,546$, respectively. The VEL/SOF regimen had lower costs and higher effectiveness than the LDV/SOF and DCV/SOF regimens, making it a dominant strategy. The tornado diagram results showed that the study results had the highest sensitivity to chronic hepatitis C (CHC) and compensated cirrhosis (CC) state costs. Moreover, the scatter plots showed that the VEL/SOF was the dominant therapeutic strategy in 73% of the simulations compared to LDV/SOF and 66% of the simulations compared to DCV/SOF; moreover, it was in the acceptable region in 92% of the simulations and below the threshold. Therefore, it was considered the most cost-effective strategy. Moreover, the results showed that DCV/SOF was in the acceptable region below the threshold in 69% of the simulations compared to LDV/SOF. Therefore, the DCV/SOF regimen was more cost-effective than LDV/SOF. Conclusions: According to the present study results, it is suggested that the VEL/SOF regimen be used as the first line of therapy in patients with HCV genotype 1. Moreover, DCV/SOF can be the second-line medication regimen.

scholarly journals Milk Powder Fortified with Potassium and Phytosterols to Decrease the Risk of Cardiovascular Events among the Adult Population in Malaysia: A Cost-Effectiveness Analysis

Nutrients ◽  
2019 ◽  
Vol 11 (6) ◽  
pp. 1235
Author(s):  
Anita E. Gandola ◽  
Livia Dainelli ◽  
Diane Zimmermann ◽  
Maznah Dahlui ◽  
Patrick Detzel
Keyword(s):  
Cost Effectiveness ◽  
Adult Population ◽  
Grey Literature ◽  
Milk Powder ◽  
Cost Effective ◽  
Sensitivity Analyses ◽  
Base Case ◽  
Discounted Cost ◽  
Life Years ◽  
The Impact

This study evaluated the cost-effectiveness of the consumption of a milk powder product fortified with potassium (+1050.28 mg/day) and phytosterols (+1200 mg/day) to lower systolic blood pressure and low-density lipoprotein cholesterol, respectively, and, therefore, the risk of myocardial infarction (MI) and stroke among the 35–75-year-old population in Malaysia. A Markov model was created against a do-nothing option, from a governmental perspective, and with a time horizon of 40 years. Different data sources, encompassing clinical studies, practice guidelines, grey literature, and statistical yearbooks, were used. Sensitivity analyses were performed to evaluate the impact of uncertainty on the base case estimates. With an incremental cost-effectiveness ratio equal to international dollars (int$) 22,518.03 per quality-adjusted life-years gained, the intervention can be classified as very cost-effective. If adopted nationwide, it would help prevent at least 13,400 MIs, 30,500 strokes, and more than 10,600 and 17,100 MI- and stroke-related deaths. The discounted cost savings generated for the health care system by those who consume the fortified milk powder would amount to int$8.1 per person, corresponding to 0.7% of the total yearly health expenditure per capita. Sensitivity analyses confirmed the robustness of the results. Together with other preventive interventions, the consumption of milk powder fortified with potassium and phytosterols represents a cost-effective strategy to attenuate the rapid increase in cardiovascular burden in Malaysia.

scholarly journals Pharmacist prescribing and care improves cardiovascular risk, but is it cost-effective? A cost-effectiveness analysis of the RxEACH study

2019 ◽  
Vol 152 (4) ◽  
pp. 257-266 ◽  
Author(s):  
Yazid N. Al Hamarneh ◽  
Karissa Johnston ◽  
Carlo A. Marra ◽  
Ross T. Tsuyuki
Keyword(s):  
Cost Effectiveness ◽  
Health Outcomes ◽  
Usual Care ◽  
Population Level ◽  
Cost Effective ◽  
Pharmacist Intervention ◽  
Sensitivity Analyses ◽  
Pharmacist Prescribing ◽  
Canadian Health Care System ◽  
Life Years

Background: The RxEACH randomized trial demonstrated that community pharmacist prescribing and care reduced the risk for cardiovascular (CV) events by 21% compared to usual care. Objective: To evaluate the economic impact of pharmacist prescribing and care for CV risk reduction in a Canadian setting. Methods: A Markov cost-effectiveness model was developed to extrapolate potential differences in long-term CV outcomes, using different risk assessment equations. The mean change in CV risk for the 2 groups of RxEACH was extrapolated over 30 years, with costs and health outcomes discounted at 1.5% per year. The model incorporated health outcomes, costs and quality of life to estimate overall cost-effectiveness. It was assumed that the intervention would be 50% effective after 10 years. Individual-level results were scaled up to population level based on published statistics (29.2% of Canadian adults are at high risk for CV events). Costs considered included direct medical costs as well as the costs associated with implementing the pharmacist intervention. Uncertainty was explored via probabilistic sensitivity analysis. Results: It is estimated that the Canadian health care system would save more than $4.4 billion over 30 years if the pharmacist intervention were delivered to 15% of the eligible population. Pharmacist care would be associated with a gain of 576,689 quality-adjusted life years and avoid more than 8.9 million CV events. The intervention is economically dominant (i.e., it is both more effective and reduces costs when compared to usual care). Conclusion: Across a range of 1-way and probabilistic sensitivity analyses of key parameters and assumptions, pharmacist prescribing and care are both more effective and cost-saving compared to usual care. Canadians need and deserve such care.

scholarly journals Cost-effectiveness and budget impact of the microprocessor-controlled knee C-Leg in transfemoral amputees with and without diabetes mellitus

2020 ◽  
Vol 21 (3) ◽  
pp. 437-449 ◽  
Author(s):  
Alexander Kuhlmann ◽  
Henning Krüger ◽  
Susanne Seidinger ◽  
Andreas Hahn
Keyword(s):  
Diabetes Mellitus ◽  
Cost Effectiveness ◽  
Budget Impact ◽  
Input Parameter ◽  
Cost Effective ◽  
Sensitivity Analyses ◽  
Decision Analytic Model ◽  
Life Years ◽  
Transfemoral Amputees ◽  
The Impact

Abstract Background The safe use of a prosthesis in activities of daily living is key for transfemoral amputees. However, the number of falls varies significantly between different prosthetic device types. This study aims to compare medical and economic consequences of falls in transfemoral amputees who use the microprocessor-controlled knee joint C-Leg with patients who use non-microprocessor-controlled (mechanical) knee joints (NMPK). The main objectives of the analysis are to investigate the cost-effectiveness and budget impact of C-Legs in transfemoral amputees with diabetes mellitus (DM) and without DM in Germany. Methods A decision-analytic model was developed that took into account the effects of prosthesis type on the risk of falling and fall-related medical events. Cost-effectiveness and budget impact analyses were performed separately for transfemoral amputees with and without DM. The study took the perspective of the statutory health insurance (SHI). Input parameters were derived from the published literature. Univariate and probabilistic sensitivity analyses (PSA) were performed to investigate the impact of changes in individual input parameter values on model outcomes and to explore parameter uncertainty. Results C-Legs reduced the rate of fall-related hospitalizations from 134 to 20 per 1000 person years (PY) in amputees without DM and from 146 to 23 per 1000 PY in amputees with DM. In addition, the C-Leg prevented 15 or 14 fall-related death per 1000 PY. Over a time horizon of 25 years, the incremental cost-effectiveness ratio (ICER) was 16,123 Euro per quality-adjusted life years gained (QALY) for amputees without DM and 20,332 Euro per QALY gained for amputees with DM. For the period of 2020–2024, the model predicted an increase in SHI expenditures of 98 Mio Euro (53 Mio Euro in prosthesis users without DM and 45 Mio Euro in prosthesis users with DM) when all new prosthesis users received C-Legs instead of NMPKs and 50% of NMPK user whose prosthesis wore out switched to C-Legs. Results of the PSA showed moderate uncertainty and a probability of 97–99% that C-Legs are cost-effective at an ICER threshold of 40,000 Euro (≈ German GDP per capita in 2018) per QALY gained. Conclusion Results of the study suggest that the C-Leg provides substantial additional health benefits compared with NMPKs and is likely to be cost-effective in transfemoral amputees with DM as well as in amputees without DM at an ICER threshold of 40,000 Euro per QALY gained.

scholarly journals Cost-effectiveness of an insertable cardiac monitor in a high-risk population in the UK

Open Heart ◽  
2019 ◽  
Vol 6 (1) ◽  
pp. e001037 ◽  
Author(s):  
Claudia I Rinciog ◽  
Laura M Sawyer ◽  
Alexander Diamantopoulos ◽  
Mitchell S V Elkind ◽  
Matthew Reynolds ◽  
...  
Keyword(s):  
Cost Effectiveness ◽  
High Risk ◽  
Oral Anticoagulants ◽  
Cost Effective ◽  
Sensitivity Analyses ◽  
High Risk Population ◽  
Risk Population ◽  
Life Years ◽  
The Uk ◽  
The Cost

ObjectiveTo evaluate the cost-effectiveness of insertable cardiac monitors (ICMs) compared with standard of care (SoC) for detecting atrial fibrillation (AF) in patients at high risk of stroke (CHADS2 >2), using a UK National Health Service (NHS) perspective.MethodsUsing patient characteristics and clinical data from the REVEAL AF trial, a Markov model assessed the cost-effectiveness of detecting AF with an ICM compared with SoC. Costs and benefits were extrapolated across modelled patient lifetime. Ischaemic and haemorrhagic strokes, intracranial and extracranial haemorrhages and minor bleeds were modelled. Diagnostic and device costs were included, plus costs of treating stroke and bleeding events and costs of oral anticoagulants (OACs). Costs and health outcomes, measured as quality-adjusted life years (QALYs), were discounted at 3.5% per annum. One-way deterministic and probabilistic sensitivity analyses (PSA) were undertaken.ResultsThe total per-patient cost for ICM was £13 360 versus £11 936 for SoC (namely, annual 24 hours Holter monitoring). ICMs generated a total of 6.50 QALYs versus 6.30 for SoC. The incremental cost-effectiveness ratio (ICER) was £7140/QALY gained, below the £20 000/QALY acceptability threshold. ICMs were cost-effective in 77.4% of PSA simulations. The number of ICMs needed to prevent one stroke was 21 and to cause a major bleed was 37. ICERs were sensitive to assumed proportions of patients initiating or discontinuing OAC after AF diagnosis, type of OAC used and how intense the traditional monitoring was assumed to be under SoC.ConclusionsThe use of ICMs to identify AF in a high-risk population is cost-effective for the UK NHS.

scholarly journals Cost-effectiveness analysis of tranexamic acid for the treatment of traumatic brain injury, based on the results of the CRASH-3 randomised trial: a decision modelling approach

2020 ◽  
Vol 5 (9) ◽  
pp. e002716
Author(s):  
Jack Williams ◽  
Ian Roberts ◽  
Haleema Shakur-Still ◽  
Fiona E Lecky ◽  
Rizwana Chaudhri ◽  
...  
Keyword(s):  
Cost Effectiveness ◽  
Tranexamic Acid ◽  
Randomised Trial ◽  
Cost Effective ◽  
Sensitivity Analyses ◽  
Risk Of Death ◽  
Life Years ◽  
Markov Decision Model ◽  
The Uk ◽  
The Cost

IntroductionAn estimated 69 million traumatic brain injuries (TBI) occur each year worldwide, with most in low-income and middle-income countries. The CRASH-3 randomised trial found that intravenous administration of tranexamic acid within 3 hours of injury reduces head injury deaths in patients sustaining a mild or moderate TBI. We examined the cost-effectiveness of tranexamic acid treatment for TBI.MethodsA Markov decision model was developed to assess the cost-effectiveness of treatment with and without tranexamic acid, in addition to current practice. We modelled the decision in the UK and Pakistan from a health service perspective, over a lifetime time horizon. We used data from the CRASH-3 trial for the risk of death during the trial period (28 days) and patient quality of life, and data from the literature to estimate costs and long-term outcomes post-TBI. We present outcomes as quality-adjusted life years (QALYs) and 2018 costs in pounds for the UK, and US dollars for Pakistan. Incremental cost-effectiveness ratios (ICER) per QALY gained were estimated, and compared with country specific cost-effective thresholds. Deterministic and probabilistic sensitivity analyses were also performed.ResultsTranexamic acid was highly cost-effective for patients with mild TBI and intracranial bleeding or patients with moderate TBI, at £4288 per QALY in the UK, and US$24 per QALY in Pakistan. Tranexamic acid was 99% and 98% cost-effective at the cost-effectiveness thresholds for the UK and Pakistan, respectively, and remained cost-effective across all deterministic sensitivity analyses. Tranexamic acid was even more cost-effective with earlier treatment administration. The cost-effectiveness for those with severe TBI was uncertain.ConclusionEarly administration of tranexamic acid is highly cost-effective for patients with mild or moderate TBI in the UK and Pakistan, relative to the cost-effectiveness thresholds used. The estimated ICERs suggest treatment is likely to be cost-effective across all income settings globally.

Cost-effectiveness of zoledronic acid in the prevention of skeletal-related events in patients with bone metastases from renal cell carcinoma: Comparison between France, Germany, and the United Kingdom

2009 ◽  
Vol 27 (15_suppl) ◽  
pp. 5106-5106
Author(s):  
M. F. Botteman ◽  
S. Kaura
Keyword(s):  
United Kingdom ◽  
Cost Effectiveness ◽  
Zoledronic Acid ◽  
Bone Metastases ◽  
Cost Effective ◽  
Sensitivity Analyses ◽  
Life Years ◽  
Health Related ◽  
Skeletal Related Events ◽  
The Uk

5106 Background: Zoledronic acid (ZOL) significantly reduces the risk of new skeletal-related events (SREs) in patients (pts) with bone metastases from RCC. This study assessed and compared the cost-effectiveness of ZOL in pts with RCC from French, German, and United Kingdom (UK) societal perspectives. Methods: This analysis was based on a retrospective analysis of RCC pts with bone metastases who were enrolled in a 9-mo trial of ZOL or placebo (PBO) plus concomitant antineoplastic therapy. A model was developed to simulate costs and quality-adjusted life-years (QALYs) experienced by study pts. The model included data and assumptions regarding SRE incidence, mortality, drug and administration costs, SRE costs, reduced quality of life (QOL) because of SREs and bone pain, and therapy duration. SRE costs were estimated using diagnosis-related group tariff information and published literature. Consistent with similar economic analyses, it was assumed that QOL decreased 20% to 80% (depending on SRE type) for 1 mo after each SRE experienced. Sensitivity analyses were performed to test the effects of alternate assumptions, with < 30,000/QALY considered cost-effective. Results: Compared with PBO-treated pts (n = 19), ZOL-treated pts (n = 27) experienced 1.07 fewer SREs/pt and gained discounted QALYs of approximately 0.1563 in France and Germany and 0.1575 in the UK. Discounted SRE-related costs were substantially lower among pts treated with ZOL vs PBO (-4,196 in France, -3,880 in Germany, and -3,355 in the UK). After including drug therapy costs, ZOL saved 1,358, 1,223, and 719 per pt in France, Germany, and the UK, respectively. In multivariate sensitivity analyses, ZOL saved costs in 67% to 77% of cases, depending on the country. ZOL resulted in a cost per QALY gained < 30,000 in approximately 93% of cases. Conclusions: Treatment with ZOL reduces SREs, improves QOL, and lowers health-related costs compared with PBO in French, German, and UK pts with bone metastases from RCC. Use of ZOL in these populations therefore provides health-related cost savings and is a cost-effective use of healthcare resources. [Table: see text]

Cost effectiveness of tension-free vaginal tape for the surgical management of female stress incontinence

2004 ◽  
Vol 20 (4) ◽  
pp. 455-463 ◽  
Author(s):  
Mary Kilonzo ◽  
Luke Vale ◽  
Sally C. Stearns ◽  
Adrian Grant ◽  
June Cody ◽  
...  
Keyword(s):  
Cost Effectiveness ◽  
Surgical Procedures ◽  
Cost Effective ◽  
Sensitivity Analyses ◽  
Sling Procedure ◽  
Tension Free ◽  
Tension Free Vaginal Tape ◽  
Life Years ◽  
Cure Rates ◽  
The Impact

Objectives: Stress urinary incontinence affects between 10 percent and 50 percent of women. Surgery is commonly recommended for troublesome incontinence that does not respond to nonsurgical management. Tension-free vaginal tape (TVT) is a newer, minimal access surgical sling procedure, which is being increasingly adopted worldwide. The cost-effectiveness of TVT in comparison with other surgical procedures, particularly open colposuspension, is assessed.Methods: Effectiveness estimates came from a systematic review of TVT compared with other surgical procedures (open and laparoscopic colposuspension, traditional slings, and injectables). Deterministic and probabilistic analyses were used to assess the likelihood of TVT being cost-effective. Sensitivity analyses assessed the impact of changing assumptions about cure rates and costs for TVT, cure rates for retreatment open colposuspension, and proportions of women who choose retreatment.Results: Reliable estimates of relative effectiveness were difficult to derive because the few randomized controlled comparisons had not been optimally analyzed or fully reported. Results of the economic model suggested that TVT dominates open colposuspension (lower cost and same quality of life years[QALYs]) within 5 years after surgery. Stochastic analysis indicated that the likelihood of TVT being cost-effective was 100 percent if decision-makers are unwilling to pay for additional QALYs. TVT's dominance depended on the assumption fact that retreatment open colposuspension has lower cure rates than a first colposuspension.Conclusions: Analysis based on current short-term data indicates dominance of TVT over open colposuspension from approximately 5 years. There is a need for longer-term follow-up data from methodologically rigorous randomized trials to provide a sounder basis for estimating the relative benefits and cost implications.

scholarly journals Cost-Effectiveness Analysis of Fourth- or Further-Line Ripretinib in Advanced Gastrointestinal Stromal Tumors

2021 ◽  
Vol 11 ◽  
Author(s):  
Weiting Liao ◽  
Huiqiong Xu ◽  
David Hutton ◽  
Qiuji Wu ◽  
Kexun Zhou ◽  
...  
Keyword(s):  
Overall Survival ◽  
Cost Effectiveness ◽  
Gastrointestinal Stromal Tumors ◽  
Cost Effective ◽  
Sensitivity Analyses ◽  
Health State ◽  
Lifetime Horizon ◽  
Stromal Tumors ◽  
Life Years ◽  
Health State Utilities

BackgroundThe INVICTUS trial assessed the efficacy and safety of ripretinib compared with placebo in the management of advanced gastrointestinal stromal tumors.MethodWe used a Markov model with three health states: progression-free disease, progression disease and death. We parameterized the model from time-to-event data (progression-free survival, overall survival) of ripretinib and placebo arms in the INVICTUS trial and extrapolated to a patient’s lifetime horizon. Estimates of health state utilities and costs were based on clinical trial data and the published literature. The outcomes of this model were measured in quality-adjusted life-years (QALYs), costs, and incremental cost-effectiveness ratios (ICERs). Uncertainty was tested via univariate and probabilistic sensitivity analyses.ResultsThe base-case model projected improved outcomes (by 0.29 QALYs) and additional costs (by $70,251) and yielded an ICER of $244,010/QALY gained for ripretinib versus placebo. The results were most sensitive to progression rates, the price of ripretinib, and health state utilities. The ICER was most sensitive to overall survival. When overall survival in the placebo group was lower, the ICER dropped to $127,399/QALY. The ICER dropped to $150,000/QALY when the monthly cost of ripretinib decreased to $14,057. Probabilistic sensitivity analyses revealed that ripretinib was the cost-effective therapy in 41.1% of simulations at the willingness-to-pay (WTP) threshold of $150,000.ConclusionAs the fourth- or further-line therapy in advanced gastrointestinal stromal tumors, ripretinib is not cost-effective in the US. Ripretinib would achieve its cost-effectiveness with a price discount of 56% given the present effectiveness.

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