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Muchadeyi MT, Hernandez-Villafuerte K, Di Tanna GL, Eckford RD, Feng Y, Meregaglia M, Peasgood T, Petrou S, Ubels J, Schlander M. Quality Appraisal in Systematic Literature Reviews of Studies Eliciting Health State Utility Values: Conceptual Considerations. PHARMACOECONOMICS 2024; 42:767-782. [PMID: 38551803 PMCID: PMC11180162 DOI: 10.1007/s40273-024-01365-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 02/22/2024] [Indexed: 06/16/2024]
Abstract
BACKGROUND The increasing number of studies that generate health state utility values (HSUVs) and the impact of HSUVs on cost-utility analyses make a robust tailored quality appraisal (QA) tool for systematic reviews of these studies necessary. OBJECTIVE This study aimed to address conceptual issues regarding QA in systematic reviews of studies eliciting HSUVs by establishing a consensus on the definitions, dimensions and scope of a QA tool specific to this context. METHODS A modified Delphi method was used in this study. An international multidisciplinary panel of seven experts was purposively assembled. The experts engaged in two anonymous online survey rounds. After each round, the experts received structured and controlled feedback on the previous phase. Controlled feedback allowed the experts to re-evaluate and adjust their positions based on collective insights. Following these surveys, a virtual face-to-face meeting was held to resolve outstanding issues. Consensus was defined a priori at all stages of the modified Delphi process. RESULTS The response rates to the first-round and second-round questionnaires and the virtual consensus meeting were 100%, 86% and 71%, respectively. The entire process culminated in a consensus on the definitions of scientific quality, QA, the three QA dimensions-reporting, relevance and methodological quality-and the scope of a QA tool specific to studies that elicit HSUVs. CONCLUSIONS Achieving this consensus marks a pivotal step towards developing a QA tool specific to systematic reviews of studies eliciting HSUVs. Future research will build on this foundation, identify QA items, signalling questions and response options, and develop a QA tool specific to studies eliciting HSUVs.
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Affiliation(s)
- Muchandifunga Trust Muchadeyi
- Division of Health Economics, German Cancer Research Centre (DKFZ) Foundation under Public Law, Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Karla Hernandez-Villafuerte
- Division of Health Economics, German Cancer Research Centre (DKFZ) Foundation under Public Law, Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
| | - Gian Luca Di Tanna
- Department of Business Economics, Health and Social Care (DEASS), University of Applied Sciences and Arts of Southern Switzerland, Manno, Lugano, Switzerland
- The George Institute for Global Health, University of New South Wales (UNSW Sydney), Sydney, NSW, Australia
| | - Rachel D Eckford
- Division of Health Economics, German Cancer Research Centre (DKFZ) Foundation under Public Law, Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
| | - Yan Feng
- Wolfson Institute of Population Health, Queen Mary University of London, London, UK
| | - Michela Meregaglia
- Centre for Research on Health and Social Care Management (CERGAS), SDA Bocconi School of Management, Milan, Italy
| | - Tessa Peasgood
- Melbourne School of Population and Global Health, University of Melbourne, Melbourne, VIC, Australia
- Sheffield Centre for Health and Related Research, University of Sheffield, Sheffield, UK
| | - Stavros Petrou
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Jasper Ubels
- Division of Health Economics, German Cancer Research Centre (DKFZ) Foundation under Public Law, Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Michael Schlander
- Division of Health Economics, German Cancer Research Centre (DKFZ) Foundation under Public Law, Im Neuenheimer Feld 280, 69120, Heidelberg, Germany.
- Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany.
- Alfred Weber Institute for Economics (AWI), University of Heidelberg, Heidelberg, Germany.
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Pillay J, Guitard S, Rahman S, Saba S, Rahman A, Bialy L, Gehring N, Tan M, Melton A, Hartling L. Patient preferences for breast cancer screening: a systematic review update to inform recommendations by the Canadian Task Force on Preventive Health Care. Syst Rev 2024; 13:140. [PMID: 38807191 PMCID: PMC11134964 DOI: 10.1186/s13643-024-02539-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 04/17/2024] [Indexed: 05/30/2024] Open
Abstract
BACKGROUND Different guideline panels, and individuals, may make different decisions based in part on their preferences. Preferences for or against an intervention are viewed as a consequence of the relative importance people place on the expected or experienced health outcomes it incurs. These findings can then be considered as patient input when balancing effect estimates on benefits and harms reported by empirical evidence on the clinical effectiveness of screening programs. This systematic review update examined the relative importance placed by patients on the potential benefits and harms of mammography-based breast cancer screening to inform an update to the 2018 Canadian Task Force on Preventive Health Care's guideline on screening. METHODS We screened all articles from our previous review (search December 2017) and updated our searches to June 19, 2023 in MEDLINE, PsycINFO, and CINAHL. We also screened grey literature, submissions by stakeholders, and reference lists. The target population was cisgender women and other adults assigned female at birth (including transgender men and nonbinary persons) aged ≥ 35 years and at average or moderately increased risk for breast cancer. Studies of patients with breast cancer were eligible for health-state utility data for relevant outcomes. We sought three types of data, directly through (i) disutilities of screening and curative treatment health states (measuring the impact of the outcome on one's health-related quality of life; utilities measured on a scale of 0 [death] to 1 [perfect health]), and (ii) other preference-based data, such as outcome trade-offs, and indirectly through (iii) the relative importance of benefits versus harms inferred from attitudes, intentions, and behaviors towards screening among patients provided with estimates of the magnitudes of benefit(s) and harms(s). For screening, we used machine learning as one of the reviewers after at least 50% of studies had been reviewed in duplicate by humans; full-text selection used independent review by two humans. Data extraction and risk of bias assessments used a single reviewer with verification. Our main analysis for utilities used data from utility-based health-related quality of life tools (e.g., EQ-5D) in patients; a disutility value of about 0.04 can be considered a minimally important value for the Canadian public. When suitable, we pooled utilities and explored heterogeneity. Disutilities were calculated for screening health states and between different treatment states. Non-utility data were grouped into categories, based on outcomes compared (e.g. for trade-off data), participant age, and our judgements of the net benefit of screening portrayed by the studies. Thereafter, we compared and contrasted findings while considering sample sizes, risk of bias, subgroup findings and data on knowledge scores, and created summary statements for each data set. Certainty assessments followed GRADE guidance for patient preferences and used consensus among at least two reviewers. FINDINGS Eighty-two studies (38 on utilities) were included. The estimated disutilities were 0.07 for a positive screening result (moderate certainty), 0.03-0.04 for a false positive (FP; "additional testing" resolved as negative for cancer) (low certainty), and 0.08 for untreated screen-detected cancer (moderate certainty) or (low certainty) an interval cancer. At ≤12 months, disutilities of mastectomy (vs. breast-conserving therapy), chemotherapy (vs. none) (low certainty), and radiation therapy (vs. none) (moderate certainty) were 0.02-0.03, 0.02-0.04, and little-to-none, respectively, though in each case findings were somewhat limited in their applicability. Over the longer term, there was moderate certainty for little-to-no disutility from mastectomy versus breast-conserving surgery/lumpectomy with radiation and from radiation. There was moderate certainty that a majority (>50%) and possibly a large majority (>75%) of women probably accept up to six cases of overdiagnosis to prevent one breast-cancer death; there was some uncertainty because of an indication that overdiagnosis was not fully understood by participants in some cases. Low certainty evidence suggested that a large majority may accept that screening may reduce breast-cancer but not all-cause mortality, at least when presented with relatively high rates of breast-cancer mortality reductions (n = 2; 2 and 5 fewer per 1000 screened), and at least a majority accept that to prevent one breast-cancer death at least a few hundred patients will receive a FP result and 10-15 will have a FP resolved through biopsy. An upper limit for an acceptable number of FPs was not evaluated. When using data from studies assessing attitudes, intentions, and screening behaviors, across all age groups but most evident for women in their 40s, preferences reduced as the net benefit presented by study authors decreased in magnitude. In a relatively low net-benefit scenario, a majority of patients in their 40s may not weigh the benefits as greater than the harms from screening whereas for women in their 50s a large majority may prefer screening (low certainty evidence for both ages). There was moderate certainty that a large majority of women 50 years of age and 50 to 69 years of age, who have usually experienced screening, weigh the benefits as greater than the harms from screening in a high net-benefit scenario. A large majority of patients aged 70-71 years who have recently screened probably think the benefits outweigh the harms of continuing to screen. A majority of women in their mid-70s to early 80s may prefer to continue screening. CONCLUSIONS Evidence across a range of data sources on how informed patients value the potential outcomes from breast-cancer screening will be useful during decision-making for recommendations. The evidence suggests that all of the outcomes examined have importance to women of any age, that there is at least some and possibly substantial (among those in their 40s) variability across and within age groups about the acceptable magnitude of effects across outcomes, and that provision of easily understandable information on the likelihood of the outcomes may be necessary to enable informed decision making. Although studies came from a wide range of countries, there were limited data from Canada and about whether findings applied well across an ethnographically and socioeconomically diverse population. SYSTEMATIC REVIEW REGISTRATION Protocol available at Open Science Framework https://osf.io/xngsu/ .
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Affiliation(s)
- Jennifer Pillay
- Alberta Research Centre for Health Evidence, Faculty of Medicine and Dentistry, University of Alberta, 11405 87 Avenue NW, Edmonton, Alberta, T6G 1C9, Canada.
| | - Samantha Guitard
- Alberta Research Centre for Health Evidence, Faculty of Medicine and Dentistry, University of Alberta, 11405 87 Avenue NW, Edmonton, Alberta, T6G 1C9, Canada
| | - Sholeh Rahman
- Alberta Research Centre for Health Evidence, Faculty of Medicine and Dentistry, University of Alberta, 11405 87 Avenue NW, Edmonton, Alberta, T6G 1C9, Canada
| | - Sabrina Saba
- Alberta Research Centre for Health Evidence, Faculty of Medicine and Dentistry, University of Alberta, 11405 87 Avenue NW, Edmonton, Alberta, T6G 1C9, Canada
| | - Ashiqur Rahman
- Alberta Research Centre for Health Evidence, Faculty of Medicine and Dentistry, University of Alberta, 11405 87 Avenue NW, Edmonton, Alberta, T6G 1C9, Canada
| | - Liza Bialy
- Alberta Research Centre for Health Evidence, Faculty of Medicine and Dentistry, University of Alberta, 11405 87 Avenue NW, Edmonton, Alberta, T6G 1C9, Canada
| | - Nicole Gehring
- Alberta Research Centre for Health Evidence, Faculty of Medicine and Dentistry, University of Alberta, 11405 87 Avenue NW, Edmonton, Alberta, T6G 1C9, Canada
| | - Maria Tan
- Alberta Research Centre for Health Evidence, Faculty of Medicine and Dentistry, University of Alberta, 11405 87 Avenue NW, Edmonton, Alberta, T6G 1C9, Canada
| | - Alex Melton
- Alberta Research Centre for Health Evidence, Faculty of Medicine and Dentistry, University of Alberta, 11405 87 Avenue NW, Edmonton, Alberta, T6G 1C9, Canada
| | - Lisa Hartling
- Alberta Research Centre for Health Evidence, Faculty of Medicine and Dentistry, University of Alberta, 11405 87 Avenue NW, Edmonton, Alberta, T6G 1C9, Canada
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Matza LS, Howell TA, Fung ET, Janes SM, Seiden M, Hackshaw A, Nadauld L, Karn H, Chung KC. Health State Utilities Associated with False-Positive Cancer Screening Results. PHARMACOECONOMICS - OPEN 2024; 8:263-276. [PMID: 38189869 PMCID: PMC10884390 DOI: 10.1007/s41669-023-00443-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 09/14/2023] [Indexed: 01/09/2024]
Abstract
INTRODUCTION Early cancer detection can significantly improve patient outcomes and reduce mortality rates. Novel cancer screening approaches, including multi-cancer early detection tests, have been developed. Cost-utility analyses will be needed to examine their value, and these models require health state utilities. The purpose of this study was to estimate the disutility (i.e., decrease in health state utility) associated with false-positive cancer screening results. METHODS In composite time trade-off interviews using a 1-year time horizon, UK general population participants valued 10 health state vignettes describing cancer screening with true-negative or false-positive results. Each false-positive vignette described a common diagnostic pathway following a false-positive result suggesting lung, colorectal, breast, or pancreatic cancer. Every pathway ended with a negative result (no cancer detected). The disutility of each false positive was calculated as the difference between the true-negative and each false-positive health state, and because of the 1-year time horizon, each disutility can be interpreted as a quality-adjusted life-year decrement associated with each type of false-positive experience. RESULTS A total of 203 participants completed interviews (49.8% male; mean age = 42.0 years). The mean (SD) utility for the health state describing a true-negative result was 0.958 (0.065). Utilities for false-positive health states ranged from 0.847 (0.145) to 0.932 (0.059). Disutilities for false positives ranged from - 0.031 to - 0.111 (- 0.041 to - 0.111 for lung cancer; - 0.079 for colorectal cancer; - 0.031 to - 0.067 for breast cancer; - 0.048 to - 0.088 for pancreatic cancer). CONCLUSION All false-positive results were associated with a disutility. Greater disutility was associated with more invasive follow-up diagnostic procedures, longer duration of uncertainty regarding the eventual diagnosis, and perceived severity of the suspected cancer type. Utility values estimated in this study would be useful for economic modeling examining the value of cancer screening procedures.
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Affiliation(s)
| | | | - Eric T Fung
- GRAIL, LLC., a subsidiary of Illumina Inc., Menlo Park, CA, USA
| | - Sam M Janes
- UCL Respiratory, University College London, London, UK
| | - Michael Seiden
- Physician in Residence, GRAIL, LLC., Menlo Park, CA, USA
| | | | | | | | - Karen C Chung
- GRAIL, LLC., a subsidiary of Illumina Inc., Menlo Park, CA, USA
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Honda K, Akune Y, Goto R. Cost-Effectiveness of School Urinary Screening for Early Detection of IgA Nephropathy in Japan. JAMA Netw Open 2024; 7:e2356412. [PMID: 38363568 PMCID: PMC10873767 DOI: 10.1001/jamanetworkopen.2023.56412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 12/21/2023] [Indexed: 02/17/2024] Open
Abstract
Importance The evidence for and against screening for chronic kidney disease in youths who are asymptomatic is inconsistent worldwide. Japan has been conducting urinary screening in students for 50 years, allowing for a full economic evaluation that includes the clinical benefits of early detection and intervention for chronic kidney disease. Objectives To evaluate the clinical effectiveness and cost-effectiveness of school urinary screening in Japan, with a focus on the benefits of the early detection and intervention for IgA nephropathy, and to explore key points in the model that are associated with the cost-effectiveness of the school urinary screening program. Design, Setting, and Participants This economic evaluation with a cost-effectiveness analysis used a computer-simulated Markov model from the health care payer's perspective among a hypothetical cohort of 1 000 000 youths aged 6 years in first grade in Japanese elementary schools, followed up through junior and high school. The time horizon was lifetime. Costs and clinical outcomes were discounted at a rate of 2% per year. Costs were calculated in Japanese yen and 2020 US dollars (¥107 = US $1). Interventions School urinary screening for IgA nephropathy was compared with no screening. Main Outcomes and Measures Outcomes were costs and quality-adjusted life-years (QALYs). Cost-effectiveness was determined by evaluating whether the incremental cost-effectiveness ratio (ICER) per QALY gained remained less than ¥7 500 000 (US $70 093). Results In the base case analysis, the ICER was ¥4 186 642 (US $39 127)/QALY, which was less than the threshold. There were 60.3 patients/1 000 000 patients in the no-screening strategy and 31.7 patients/1 000 000 patients in the screening strategy with an end-stage kidney disease. Cost-effectiveness improved as the number of screenings decreased (screening frequency <3 times: incremental cost, -¥75 [US $0.7]; incremental QALY, 0.00025; ICER, dominant), but the number of patients with end-stage kidney disease due to IgA nephropathy increased (40.9 patients/1 000 000 patients). Assuming the disutility due to false positives had a significant impact on the analysis; assuming a disutility of 0.01 or more, the population with no IgA nephropathy had an ICER greater than the threshold (¥8 304 093 [US $77 608]/QALY). Conclusions and Relevance This study found that Japanese school urinary screening was cost-effective, suggesting that it may be worthy of resource allocation. Key factors associated with cost-effectiveness were screening cost, the probability of incident detection outside of screening, and IgA nephropathy incidence, which may provide clues to decision-makers in other countries when evaluating the program in their own context.
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Affiliation(s)
- Kimiko Honda
- Center of Health Economics and Health Technology Assessment, Keio University Global Research Institute, Tokyo, Japan
- Graduate School of Health Management, Keio University, Tokyo, Japan
| | - Yoko Akune
- Graduate School of Health Management, Keio University, Tokyo, Japan
| | - Rei Goto
- Center of Health Economics and Health Technology Assessment, Keio University Global Research Institute, Tokyo, Japan
- Graduate School of Health Management, Keio University, Tokyo, Japan
- Graduate School of Business Administration, Keio University, Tokyo, Japan
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O'Malley KJ, Alnablsi MW, Xi Y, Pathak M, Khan F, Pillai AK, Kathuria MK, Vongpatanasin W. Diagnostic performance of the adrenal vein to inferior vena cava aldosterone ratio in classifying the subtype of primary aldosteronism. Hypertens Res 2023; 46:2535-2542. [PMID: 37673958 DOI: 10.1038/s41440-023-01421-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 07/30/2023] [Accepted: 08/20/2023] [Indexed: 09/08/2023]
Abstract
Adrenal vein sampling (AVS) is the standard procedure for distinguishing unilateral primary aldosteronism (PA) from bilateral PA. In cases where only one adrenal vein is successfully cannulated, it has been suggested that subtype classification can be determined based on the ratio of the concentration of aldosterone between the adrenal vein and the inferior vena cava (AV/IVC index). However, diagnostic performance of the ipsilateral versus contralateral AV/IVC index in predicting lateralization has not been directly compared. In a retrospective cohort of 133 patients with confirmed PA who underwent successful AVS, the performance of the AV/IVC index to predict laterality was evaluated and the area under the receiver operating characteristic (AUROC) curves was calculated. In detecting left unilateral PA (n = 47), the AUROC of the right AV/IVC index (RAV/IVC) was significantly higher than the AUROC of the left AV/IVC (LAV/IVC) index (0.967 vs. 0.871, p = 0.008). In detecting right unilateral PA (n = 30), the AUROC of the LAV/IVC index tended to be higher than that of the RAV/IVC index, but the difference did not reach statistical significance (0.966 vs. 0.906, p = 0.08). In detecting left unilateral PA, the sensitivities of the RAV/IVC and LAV/IVC indices were 83% and 46%, respectively, while the specificities of both were above 90%. In detecting right unilateral PA, the sensitivities of the LAV/IVC and RAV/IVC indices were 80% and 43%, respectively, while the specificities of both were above 90%. The AV/IVC index has superior diagnostic performance in detecting contralateral unilateral PA compared to ipsilateral unilateral PA.
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Affiliation(s)
- Kyle J O'Malley
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Mhd W Alnablsi
- Department of Radiology (Division of Vascular Interventional Radiology), University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Yin Xi
- Department of Radiology (Division of Vascular Interventional Radiology), University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Mona Pathak
- Department of Pharmacotherapy, University of North Texas Health Science Center, Fort Worth, TX, USA
| | - Fatima Khan
- Department of Radiology (Division of Vascular Interventional Radiology), University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Anil K Pillai
- Department of Radiology (Division of Vascular Interventional Radiology), University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Manoj K Kathuria
- Department of Radiology (Division of Vascular Interventional Radiology), University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Wanpen Vongpatanasin
- Department of Internal Medicine (Division of Cardiology, Hypertension Section), University of Texas Southwestern, Dallas, TX, USA.
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Muchadeyi MT, Hernandez-Villafuerte K, Schlander M. Quality appraisal for systematic literature reviews of health state utility values: a descriptive analysis. BMC Med Res Methodol 2022; 22:303. [PMID: 36434521 PMCID: PMC9700894 DOI: 10.1186/s12874-022-01784-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Accepted: 11/04/2022] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Health state utility values (HSUVs) are an essential input parameter to cost-utility analysis (CUA). Systematic literature reviews (SLRs) provide summarized information for selecting utility values from an increasing number of primary studies eliciting HSUVs. Quality appraisal (QA) of such SLRs is an important process towards the credibility of HSUVs estimates; yet, authors often overlook this crucial process. A scientifically developed and widely accepted QA tool for this purpose is lacking and warranted. OBJECTIVES To comprehensively describe the nature of QA in published SRLs of studies eliciting HSUVs and generate a list of commonly used items. METHODS A comprehensive literature search was conducted in PubMed and Embase from 01.01.2015 to 15.05.2021. SLRs of empirical studies eliciting HSUVs that were published in English were included. We extracted descriptive data, which included QA tools checklists or good practice recommendations used or cited, items used, and the methods of incorporating QA results into study findings. Descriptive statistics (frequencies of use and occurrences of items, acceptance and counterfactual acceptance rates) were computed and a comprehensive list of QA items was generated. RESULTS A total of 73 SLRs were included, comprising 93 items and 35 QA tools and good recommendation practices. The prevalence of QA was 55% (40/73). Recommendations by NICE and ISPOR guidelines appeared in 42% (16/40) of the SLRs that appraised quality. The most commonly used QA items in SLRs were response rates (27/40), statistical analysis (22/40), sample size (21/40) and loss of follow up (21/40). Yet, the most commonly featured items in QA tools and GPRs were statistical analysis (23/35), confounding or baseline equivalency (20/35), and blinding (14/35). Only 5% of the SLRS used QA to inform the data analysis, with acceptance rates of 100% (in two studies) 67%, 53% and 33%. The mean counterfactual acceptance rate was 55% (median 53% and IQR 56%). CONCLUSIONS There is a considerably low prevalence of QA in the SLRs of HSUVs. Also, there is a wide variation in the QA dimensions and items included in both SLRs and extracted tools. This underscores the need for a scientifically developed QA tool for multi-variable primary studies of HSUVs.
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Affiliation(s)
- Muchandifunga Trust Muchadeyi
- grid.7497.d0000 0004 0492 0584Division of Health Economics, German Cancer Research Center (DKFZ), Foundation Under Public Law, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany ,grid.7700.00000 0001 2190 4373Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Karla Hernandez-Villafuerte
- grid.7497.d0000 0004 0492 0584Division of Health Economics, German Cancer Research Center (DKFZ), Foundation Under Public Law, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany ,Health Economics, WifOR institute, Rheinstraße 22, Darmstadt, 64283 Germany
| | - Michael Schlander
- grid.7497.d0000 0004 0492 0584Division of Health Economics, German Cancer Research Center (DKFZ), Foundation Under Public Law, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany ,grid.7700.00000 0001 2190 4373Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany ,grid.7700.00000 0001 2190 4373Alfred Weber Institute for Economics (AWI), University of Heidelberg, Heidelberg, Germany
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Dieng M, Turner RM, Lord SJ, Einstein AJ, Menzies AM, Saw RPM, Nieweg OE, Thompson JF, Morton RL. Cost-Effectiveness of PET/CT Surveillance Schedules to Detect Distant Recurrence of Resected Stage III Melanoma. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19042331. [PMID: 35206519 PMCID: PMC8872338 DOI: 10.3390/ijerph19042331] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 02/08/2022] [Accepted: 02/10/2022] [Indexed: 11/22/2022]
Abstract
Objective: To estimate the cost-effectiveness of three surveillance imaging strategies using whole-body positron emission tomography (PET) with computed tomography (CT) (PET/CT) in a follow-up program for adults with resected stage III melanoma. Methods: An analytic decision model was constructed to estimate the costs and benefits of PET/CT surveillance imaging performed 3-monthly, 6-monthly, or 12-monthly compared with no surveillance imaging. Results: At 5 years, 3-monthly PET/CT surveillance imaging incurred a total cost of AUD 88,387 per patient, versus AUD 77,998 for 6-monthly, AUD 52,560 for 12-monthly imaging, and AUD 51,149 for no surveillance imaging. When compared with no surveillance imaging, 12-monthly PET/CT imaging was associated with a 4% increase in correctly diagnosed and treated distant disease; a 0.5% increase with 6-monthly imaging and 1% increase with 3-monthly imaging. The incremental cost-effectiveness ratio (ICER) of 12-monthly PET/CT surveillance imaging was AUD 34,362 for each additional distant recurrence correctly diagnosed and treated, compared with no surveillance imaging. For the outcome of cost per diagnostic error avoided, the no surveillance imaging strategy was the least costly and most effective. Conclusion: With the ICER for this strategy less than AUD 50,000 per unit of health benefit, the 12-monthly surveillance imaging strategy is considered good value for money.
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Affiliation(s)
- Mbathio Dieng
- NHMRC Clinical Trials Centre, Faculty of Medicine and Health, The University of Sydney, Camperdown 2050, Australia; (S.J.L.); (R.L.M.)
- Correspondence:
| | - Robin M. Turner
- Biostatistics Centre, Otago University, Dunedin 9016, New Zealand;
| | - Sarah J. Lord
- NHMRC Clinical Trials Centre, Faculty of Medicine and Health, The University of Sydney, Camperdown 2050, Australia; (S.J.L.); (R.L.M.)
| | - Andrew J. Einstein
- Seymour, Paul, and Gloria Milstein Division of Cardiology, Department of Medicine and Radiology, Columbia University Irving Medical Center and New York-Presbyterian Hospital, New York, NY 10032, USA;
| | - Alexander M. Menzies
- Melanoma Institute Australia, North Sydney 2060, Australia; (A.M.M.); (R.P.M.S.); (O.E.N.); (J.F.T.)
- Department of Medical Oncology, Royal North Shore and Mater Hospitals, North Sydney 2060, Australia
| | - Robyn P. M. Saw
- Melanoma Institute Australia, North Sydney 2060, Australia; (A.M.M.); (R.P.M.S.); (O.E.N.); (J.F.T.)
- Faculty of Medicine and Health, Sydney Medical School, The University of Sydney, Camperdown 2050, Australia
- Department of Melanoma and Surgical Oncology, Royal Prince Alfred Hospital, Camperdown 2050, Australia
| | - Omgo E. Nieweg
- Melanoma Institute Australia, North Sydney 2060, Australia; (A.M.M.); (R.P.M.S.); (O.E.N.); (J.F.T.)
- Faculty of Medicine and Health, Sydney Medical School, The University of Sydney, Camperdown 2050, Australia
- Department of Melanoma and Surgical Oncology, Royal Prince Alfred Hospital, Camperdown 2050, Australia
| | - John F. Thompson
- Melanoma Institute Australia, North Sydney 2060, Australia; (A.M.M.); (R.P.M.S.); (O.E.N.); (J.F.T.)
- Faculty of Medicine and Health, Sydney Medical School, The University of Sydney, Camperdown 2050, Australia
- Department of Melanoma and Surgical Oncology, Royal Prince Alfred Hospital, Camperdown 2050, Australia
| | - Rachael L. Morton
- NHMRC Clinical Trials Centre, Faculty of Medicine and Health, The University of Sydney, Camperdown 2050, Australia; (S.J.L.); (R.L.M.)
- Melanoma Institute Australia, North Sydney 2060, Australia; (A.M.M.); (R.P.M.S.); (O.E.N.); (J.F.T.)
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The economic impact of circulating tumor-tissue modified HPV DNA for the post-treatment surveillance of HPV-driven oropharyngeal cancer: A simulation. Oral Oncol 2022; 126:105721. [PMID: 35077916 DOI: 10.1016/j.oraloncology.2022.105721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 01/06/2022] [Accepted: 01/09/2022] [Indexed: 11/24/2022]
Abstract
PURPOSE Following treatment of HPV-driven oropharynx cancer, surveillance nasopharyngoscopy and imaging are often performed but are expensive and frequently ineffective. A novel plasma circulating tumor-tissue modified viral HPV DNA (TTMV-HPV-DNA) assay accurately detects recurrences. We modeled the cost of the new assay. METHODS We designed and validated a partitioned survival model which replicated the results of the RTOG 1016 study and calculated cumulative surveillance costs from the payer's perspective. Two strategies were considered: a standard of routine endoscopy with imaging as needed and an alternative strategy which omitted scopes and imaging but obtained serial TTMV-HPV-DNA samples. No difference in effectiveness (QALY or LY) was assumed in the base case. A 5-year horizon was used, costs were reported in 2020 U.S. dollars discounted by 3%. Seven scenarios tested model assumptions and practice variation. Deterministic and probabilistic sensitivity analyses assessed parameter uncertainty. RESULTS In the base case, at the list TTMV-HPV-DNA price, the cumulative cost of surveillance was $11,674 for the standard strategy and $20,756 for the TTMV-HPV-DNA strategy (+$9082 over 5 years). Probabilistic sensitivity analysis demonstrated the cost difference ranged from $4917-$12,047. The TTMV-HPV-DNA strategy was most likely to be either cost saving or cost-effective if future data demonstrate small improvements in quality or quantity of life (approximately 33 quality-adjusted life-days), if the assay reduces utilization of imaging, and if the periodicity of TTMV-HPV-DNA draws could be reduced from that on clinical trials. CONCLUSIONS This data informs providers seeking to design more accurate, accessible, and economical post-treatment surveillance strategies.
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Kaur MN, Yan J, Klassen AF, David JP, Pieris D, Sharma M, Bordeleau L, Xie F. A Systematic Literature Review of Health Utility Values in Breast Cancer. Med Decis Making 2022; 42:704-719. [PMID: 35042379 PMCID: PMC9189726 DOI: 10.1177/0272989x211065471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Health utility values (HUVs) are important inputs to the cost-utility analysis of breast cancer interventions. PURPOSE Provide a catalog of breast cancer-related published HUVs across different stages of breast cancer and treatment interventions. DATA SOURCES Systematic searches of MEDLINE, MEDLINE In-Process, EMBASE, Web of Science, CINAHL, PsycINFO, EconLit, and Cochrane databases (2005-2017). STUDY SELECTION Studies published in English that reported mean or median HUVs using direct or indirect methods of utility elicitation for breast cancer. DATA EXTRACTION Independent reviewers extracted data on a preestablished and piloted form; disagreements were resolved through discussion. DATA ANALYSIS Mixed-effects meta-regression using restricted maximum likelihood modeling was conducted for intervention type, stage of breast cancer, and typical clinical and treatment trajectory of breast cancer patients to assess the effect of study characteristics (i.e., sample size, utility elicitation method, and respondent type) on HUVs. DATA SYNTHESIS Seventy-nine studies were included in the review. Most articles (n = 52, 66%) derived HUVs using the EQ-5D. Patients with advanced-stage breast cancer (range, 0.08 to 0.82) reported lower HUVs as compared with patients with early-stage breast cancer (range, 0.58 to 0.99). The meta-regression analysis found that undergoing chemotherapy and surgery and radiation, being diagnosed with an advanced stage of breast cancer, and recurrent cancer were associated with lower HUVs. The members of the general public reported lower HUVs as compared with patients. LIMITATIONS There was considerable heterogeneity in the study population, health states assessed, and utility elicitation methods. CONCLUSION This review provides a catalog of published HUVs related to breast cancer. The substantial heterogeneity in the health utility studies makes it challenging for researchers to choose which HUVs to use in cost-utility analyses for breast cancer interventions.
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Affiliation(s)
- Manraj N Kaur
- School of Rehabilitation Sciences, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | - Jiajun Yan
- Department of Health Research Methods, Evidence and Impact, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | - Anne F Klassen
- Department of Pediatrics, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | - Justin P David
- Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Dilshan Pieris
- Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Manraj Sharma
- Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Louise Bordeleau
- Department of Oncology, Division of Medical Oncology, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | - Feng Xie
- Department of Health Research Methods, Evidence and Impact, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
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10
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Pourrahmat MM, Kim A, Kansal AR, Hux M, Pushkarna D, Fazeli MS, Chung KC. Health state utility values by cancer stage: a systematic literature review. THE EUROPEAN JOURNAL OF HEALTH ECONOMICS : HEPAC : HEALTH ECONOMICS IN PREVENTION AND CARE 2021; 22:1275-1288. [PMID: 34125315 PMCID: PMC8526485 DOI: 10.1007/s10198-021-01335-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 06/02/2021] [Indexed: 06/09/2023]
Abstract
OBJECTIVES Cancer diagnoses at later stages are associated with a decrease in health-related quality of life (HRQOL). Health state utility values (HSUVs) reflect preference-based HRQOL and can vary based on cancer type, stage, treatment, and disease progression. Detecting and treating cancer at earlier stages may lead to improved HRQOL, which is important for value assessments. We describe published HSUVs by cancer type and stage. METHODS A systematic review was conducted using Embase, MEDLINE®, EconLit, and gray literature to identify studies published from January 1999 to September 2019 that reported HSUVs by cancer type and stage. Disutility values were calculated from differences in reported HSUVs across cancer stages. RESULTS From 13,872 publications, 27 were eligible for evidence synthesis. The most frequent cancer types were breast (n = 9), lung (n = 5), colorectal (n = 4), and cervical cancer (n = 3). Mean HSUVs decreased with increased cancer stage, with consistently lower values seen in stage IV or later-stage cancer across studies (e.g., - 0.74, - 0.44, and - 0.51 for breast, colorectal, and cervical cancer, respectively). Disutility values were highest between later-stage (metastatic or stage IV) cancers compared to earlier-stage (localized or stage I-III) cancers. CONCLUSIONS This study provides a summary of HSUVs across different cancer types and stages that can inform economic evaluations. Despite the large variation in HSUVs overall, a consistent decline in HSUVs can be seen in the later stages, including stage IV. These findings indicate substantial impairment on individuals' quality of life and suggest value in early detection and intervention.
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Affiliation(s)
| | | | | | - Marg Hux
- Evidinno Outcomes Research Inc., Vancouver, Canada
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11
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Turner RM, Dieng M, Khanna N, Nguyen M, Zeng J, Nijhuis AAG, Nieweg OE, Einstein AJ, Emmett L, Lord SJ, Menzies AM, Thompson JF, Saw RPM, Morton RL. Performance of Long-Term CT and PET/CT Surveillance for Detection of Distant Recurrence in Patients with Resected Stage IIIA-D Melanoma. Ann Surg Oncol 2021; 28:4561-4569. [PMID: 33393039 DOI: 10.1245/s10434-020-09270-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 10/06/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND Follow-up for patients with resected stage IIIA-D melanoma may include computed tomography (CT) or positron emission tomography (PET)/CT imaging to identify distant metastases. The aim of this study was to evaluate the test performance over follow-up time, of structured 6- and 12-monthly follow-up imaging schedules in these patients. METHODS We conducted a retrospective analysis of consecutive resected stage IIIA-D melanoma patients from Melanoma Institute Australia (2000-2017). Patients were followed until a confirmed diagnosis of distant metastasis, end of follow-up schedule, or death. Test accuracy was evaluated by cross-classifying the results of the test against a composite reference standard of histopathology, cytology, radiologic imaging, and/or clinical follow-up, and then quantified longitudinally using logistic regression models with random effects. RESULTS In total, 1373 imaging tests were performed among 332 patients. Distant metastases were detected in 110 (33%) patients during a median follow-up of 61 months (interquartile range 38-86), and first detected by imaging in 86 (78%) patients. 152 (68%) patients had at least one false-positive result. Sensitivity of the schedule over 5 years was 79% [95% confidence interval (CI) 70-86%] and specificity was 88% (95% CI 86-90%). There was no evidence of a significant difference in test performance over follow-up time or by American Joint Committee on Cancer (AJCC) substage. The positive predictive value ranged between 33 and 48% over follow-up time, reflecting a ratio of 1:2 false-positives per true-positive finding. CONCLUSIONS Regular 6- or 12-monthly surveillance imaging using CT or PET/CT has reasonable and consistent sensitivity and specificity over 5-year follow-up for resected stage IIIA-D melanoma patients. These data are useful when discussing the risks and benefits of long-term follow-up.
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Affiliation(s)
- Robin M Turner
- Centre for Biostatistics, University of Otago, Dunedin, New Zealand
| | - Mbathio Dieng
- NHMRC Clinical Trials Centre, Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW, Australia.
| | - Nikita Khanna
- NHMRC Clinical Trials Centre, Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW, Australia
| | - Mai Nguyen
- NHMRC Clinical Trials Centre, Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW, Australia
| | - Jiaxu Zeng
- Preventive and Social Medicine, University of Otago, Dunedin, New Zealand
| | - Amanda A G Nijhuis
- Melanoma Institute Australia, The University of Sydney, Sydney, NSW, Australia
| | - Omgo E Nieweg
- Melanoma Institute Australia, The University of Sydney, Sydney, NSW, Australia.,Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.,Department of Melanoma and Surgical Oncology, Royal Prince Alfred Hospital, Sydney, NSW, Australia
| | - Andrew J Einstein
- Seymour, Paul, and Gloria Milstein Division of Cardiology, Department of Medicine, and Department of Radiology, Columbia University Irving Medical Center and New York-Presbyterian Hospital, New York, NY, USA
| | - Louise Emmett
- Department of Theranostics and Nuclear Medicine, St Vincent's Hospital Sydney, Darlinghurst, NSW, Australia
| | - Sarah J Lord
- NHMRC Clinical Trials Centre, Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW, Australia
| | - Alexander M Menzies
- Melanoma Institute Australia, The University of Sydney, Sydney, NSW, Australia.,Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.,Department of Medical Oncology, Royal North Shore and Mater Hospitals, Sydney, NSW, Australia
| | - John F Thompson
- Melanoma Institute Australia, The University of Sydney, Sydney, NSW, Australia.,Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.,Department of Melanoma and Surgical Oncology, Royal Prince Alfred Hospital, Sydney, NSW, Australia
| | - Robyn P M Saw
- Melanoma Institute Australia, The University of Sydney, Sydney, NSW, Australia.,Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.,Department of Melanoma and Surgical Oncology, Royal Prince Alfred Hospital, Sydney, NSW, Australia
| | - Rachael L Morton
- NHMRC Clinical Trials Centre, Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW, Australia.,Melanoma Institute Australia, The University of Sydney, Sydney, NSW, Australia.,Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
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12
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Saxby K, Nickson C, Mann GB, Park A, Bromley H, Velentzis L, Procopio P, Canfell K, Petrie D. Moving beyond the stage: how characteristics at diagnosis dictate treatment and treatment-related quality of life year losses for women with early stage invasive breast cancer. Expert Rev Pharmacoecon Outcomes Res 2020; 21:847-857. [PMID: 33253057 DOI: 10.1080/14737167.2021.1857735] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Background:Although evaluations of breast cancer screening programs frequently estimate quality-adjusted life-year (QALY) losses by stage, other breast cancer characteristics influence treatment and vary by mode of detection - i.e. whether the cancer is detected through screening (screen-detected), between screening rounds (interval-detected) or outside screening (community-detected). Here, we estimate the association between early-stage invasive breast cancer (ESIBC) characteristics and treatment-related QALY losses.Methods:Using clinicopathological and treatment information from 675 women managed for ESIBC, we estimated the average five-year treatment-related QALY loss by detection group. We then used regression analysis to estimate the extent to which known cancer characteristics and the detection mode, are associated with treatment and treatment-related QALY losses.Results:Community-detected cancers had the largest QALY loss (0.76 QALYs [95% CI 0.73;0.80]), followed by interval-detected cancers (0.75 QALYs [95% CI 0.68;0.82]) and screen-detected cancers (0.69 QALYs [95%CI 0.67;0.71]). Adverse prognostic factors more common in community-detected and interval-detected breast cancers (large tumours, lymph node involvement, high grade) were largely associated with QALY losses from mastectomies and chemotherapy. Receptor-positive subtypes, more common in screen-detected cancers, were associated with QALY losses related to endocrine therapy.Conclusions:The associations between ESIBC characteristics and treatment-related QALY losses should be considered when evaluating breast cancer screening and treatment strategies.
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Affiliation(s)
- Karinna Saxby
- Centre for Health Economics, Monash Business School, Monash University, Caulfield East, VIC, Australia
| | - Carolyn Nickson
- Melbourne School of Population and Global Health, University of Melbourne, Victoria, Australia.,Cancer Research Division, Cancer Council NSW, Kings Cross, NSW, Australia.,Sydney School of Public Health, Fisher Rd, The University of Sydney, Camperdown,NSW, Australia
| | - G Bruce Mann
- The Breast Service, Royal Melbourne and Royal Women's Hospital, Parkville, VIC, Australia
| | - Allan Park
- The Breast Service, Royal Melbourne and Royal Women's Hospital, Parkville, VIC, Australia
| | - Hannah Bromley
- Melbourne School of Population and Global Health, University of Melbourne, Victoria, Australia.,Health Economics Unit, University of Birmingham, Birmingham, UK
| | - Louiza Velentzis
- Melbourne School of Population and Global Health, University of Melbourne, Victoria, Australia.,Cancer Research Division, Cancer Council NSW, Kings Cross, NSW, Australia.,Sydney School of Public Health, Fisher Rd, The University of Sydney, Camperdown,NSW, Australia
| | - Pietro Procopio
- Melbourne School of Population and Global Health, University of Melbourne, Victoria, Australia.,Cancer Research Division, Cancer Council NSW, Kings Cross, NSW, Australia.,Sydney School of Public Health, Fisher Rd, The University of Sydney, Camperdown,NSW, Australia
| | - Karen Canfell
- Cancer Research Division, Cancer Council NSW, Kings Cross, NSW, Australia
| | - Dennis Petrie
- Centre for Health Economics, Monash Business School, Monash University, Caulfield East, VIC, Australia
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