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Center for Health System Sustainability

Publications

The latest publications from the Center for Health System Sustainability

Publications

The latest publications from the Center for Health System Sustainability

See more CHeSS publications
Frontiers in Transplantation

Best practices along the kidney transplantation clinical journey

April 12, 2026
Background: Kidney transplantation (KTx) practices vary across healthcare systems, yet the operational components of best practice (BP) along the clinical pathway remain incompletely defined. This study aimed to identify key best practice elements across the kidney transplantation journey in four European countries.Methods: A mixed-methods study was conducted across France, Germany, Italy, and Spain. A structured survey (n = 253 respondents, including patients, living donors, nephrologists, transplant surgeons, transplant coordinators, and hospital administrators) assessed clinical practice and patient experience across four domains: CKD management, kidney donation and transplantation, transplant recipient care, and service governance. Semi-structured focus group interviews were performed in each country to contextualise survey findings. Ethics approval was obtained in accordance with national requirements.Results: Key elements for best practices along the KTx clinical journey were identified: (1) development of protocols to standardise the variable monitoring of CKD, to minimize urban-rural differences in clinical practice due to limited resources and follow-up care; (2) enhanced primary care training and targeted resource allocation to diagnose and monitor early-stage CKD; (3) donor coordination and promotion of living donation, addressing gaps in patient awareness and access to care; (4) development of communication protocols on living donation; (5) implementation of targeted patient and donor educational campaigns on living donation; (6) enhanced post-transplant follow-up care by nephrologists; (7) integration of quality-of-life assessments and psychological donor support post-transplantation; (8) increased availability of transplant coordinators to promote equitable resource allocation and the adoption of innovative practices; (9) streamlined governance structures along clinical journey; and (10) equitable funding models with consistent reimbursement policies across patient groups.Conclusions: This study provides a cross-national, mixed-methods framework for strengthening equity, coordination, and quality in kidney transplantation. Addressing variability in monitoring pathways, referral structures, patient-centred outcomes, and workforce capacity may enhance implementation of international transplantation guidelines and improve patient and donor outcomes.
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International Journal of Health Economics and Management

Association between patient continuity of care and physicians’ hypoglycaemic medication prescription trends

March 25, 2026
The general prevalence of chronic non-communicable diseases, such as diabetes mellitus is rapidly increasing while exacerbating the burden of disease on healthcare systems. Its management, as opposed to communicable diseases, is typically long term and requires ongoing healthcare interventions, such as dietary control and medication prescription, with associated costs. The prescription requires an interaction between patients and physicians, which may be sporadic or continuous, and can be used as a proxy measure for the strength of patient–doctor relationship. We hypothesize that fragmentation of care, across physician specialties and payers, plays a role on prescription behaviour, above and beyond for patient and prescription characteristics. A panel of patients’ prescriptions events with the universe of all prescriptions and dispensing in Portugal from January 2015 to October 2019 (N = 791.467) provided by Serviços Partilhados do Ministério da Saúde, EPE was considered. We measured the association between care fragmentation of care and prescription behavior of antihyperglycaemic medication using negative binomial regression models. Results suggest that Specialists play a secondary role on the prescription of DPP-4i and SGLT2i, prescribing 12.3 and 4.3% less respectively, while playing a central role on the prescription of GLP-1, in comparison with GPs. Fragmentation of care also plays a part on prescription trends, i.e., physicians with higher of continuity of care present higher rates of prescription of approximately 5.9% for DPP-4i, 6.5% for SGLT2i and 39.6% for GLP-1. The comparison of prescription trends amongst public and private payers suggests that public payers have lower rates of prescriptions (DPP-4i: 9.6%; SGLT2i: 7.2%; GLP-1: 85.6%). We find important differences in prescription patterns between specialists and primary care physicians. Higher continuity of care is associated with increased prescription frequency. Finally, public payers are associated with lower prescription rates. Physician specialty, payer, and care fragmentation all interact in the prescription patterns of antihyperglycaemic medication.
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BMC Health Services Research

International comparison of equity gradients in hospitalizations for ambulatory care sensitive conditions

March 23, 2026
Hospitalizations for Ambulatory Care Sensitive Conditions (ACSCs) are thought to be avoidable with effective preventive care and early disease management, usually delivered in community-based ambulatory care settings. These hospitalizations are both costly and sensitive to the socioeconomic situation of patients. Understanding whether different health systems mitigate the sensitivity of ACSCs to socioeconomic gradients may direct attention to equity-improving approaches to ambulatory health care. This study sought to identify differences in the gradient of Ambulatory Care Sensitive Conditions (ACSC) relative to socioeconomic status across nine countries, namely Australia, Canada, England, Finland, France, New Zealand, Spain, Switzerland, and the United States (US).
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Health Affairs

Will The New CMS ACO Model LEAD To Better Care For High-Need Medicare Beneficiaries?

March 6, 2026
For decades, policy makers have struggled to improve care and control costs for medically complex and socially vulnerable populations, particularly individuals dually eligible for Medicare and Medicaid. Dual-eligible beneficiaries experience high rates of chronic illness, disability, and unmet social needs, and they account for a disproportionate share of Medicare and Medicaid spending. Despite sustained efforts to shift payment from volume to value, performance-based models have often yielded uneven results among providers serving these populations. In Medicare’s Accountable Care Organization (ACO) programs, organizations caring for higher proportions of racial and ethnic minority beneficiaries and socially vulnerable patients have faced greater challenges achieving savings and sustaining participation. These patterns highlight a central dilemma in value-based payment: without careful risk adjustment and benchmarking, models designed to reward quality of care and efficiency may disadvantage providers serving communities with concentrated social risk.
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Health Affairs

Primary Care Physician Trends: Dissatisfaction, Stress, And Burnout In The US And 9 Comparator Countries, 2012–22

March 1, 2026
Burnout and decreased well-being among primary care physicians threaten workforce sustainability and health outcomes. Understanding how primary care physician burnout and its mitigators differ across countries could inform policy changes, but evidence is limited. Using 2012–22 survey data from primary care physicians in the United States and nine other high-income countries, we found that shares reporting stress rose across countries. By 2022, the US had one of the highest shares of primary care physicians reporting burnout (44 percent). Switzerland (18 percent) and the Netherlands (12 percent) had the lowest shares reporting burnout, alongside higher shares with satisfaction and lower shares with stress. Across countries, female physicians had higher odds of burnout, whereas workplace factors—including satisfaction with income and administrative workload—and better care quality were associated with reduced odds of burnout. Efforts to reduce burnout should address disparities by sex and should include systemic supports including quality initiatives, flexible work, and arrangements for patient cross-coverage; in-depth cross-national learning could reveal additional strategies.
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Health Affairs Forefront

The US Health Spending Problem Is Still About Prices

February 18, 2026
For more than two decades, debates about why US health care spending is so high have been shaped by the insight articulated by Gerard Anderson, Uwe Reinhardt, and Peter Hussey: that the United States does not use more health care than other high-income countries but pays much higher prices for it. The original “It’s the Prices, Stupid” argument was fundamentally about price levels, not price growth. That central insight remains as true today as when it was first articulated: across services, drugs, and inputs, the United States consistently pays substantially higher prices than its peers for comparable services, drugs, and inputs.
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Journal of Health Policy, Politics, and Law

From Relf v. Weinberger to Drive-Through Delivery: Unpacking Democratic Responsiveness and Administrative Levers in U.S. Sterilization Policy Free

February 13, 2026
Female sterilization occupies a paradoxical place in reproductive policy. When chosen freely, it is a safe and effective contraceptive method, yet has also been deployed as a tool of coercion and state control. This dual legacy makes the United States, where sterilization remains more common than other high-income democracies, an important case for examining how public accountability and policy design shape permanent contraceptive use. From a theoretical perspective, highly visible, accountability-driven interventions such as the 1974 Relf v. Weinberger case might be expected to generate larger behavioral changes than less visible administrative reforms, though prior scholarship offers mixed expectations about the relative influence of legal visibility versus economic incentives. To test these competing expectations, we analyze a harmonized panel of contraceptive surveys from 190 nations (1965-2010) and apply the synthetic-control method. We examine the behavioral impact of Relf as a democratic accountability event and contrast it with a later unrelated administrative change in U.S. hospital reimbursement policy in the 1990s. We find that the public outrage and litigation following Relf produced formal consent safeguards but were associated with limited changes in the national sterilization rates. In contrast, the 1990s payment reforms, aimed at cost containment, were associated with a sustained national decline. Together, these contrasting impacts suggest that reforms driven by court decisions and financial architecture may influence entrenched policies through different, potentially complementary, channels. Taken together, the findings affirm the important role of administrative levers alongside legislative activism, levers often overlooked in reproductive rights debates despite their capacity to reshape clinical practice.
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Health Affairs

Review Times For New Drugs And Submission Delays Among The FDA And 4 International Regulators, 2014–22

February 2, 2026
Factors influencing the timing of regulatory submission for new drugs across countries are poorly understood. We identified all new drugs approved by the Food and Drug Administration (FDA) or European Medicines Agency (EMA) during the period 2014–18 and tracked their regulatory submissions to the US, the European Union, Canada, Japan, and Australia through 2022. We assessed whether disease area, orphan status, therapeutic value, market size, and launch price were associated with submission delays. The FDA received the highest proportion of first submissions (70 percent). Median submission delays ranged from zero months (FDA) to 18.5 months (Australia). The range of median regulatory review times was small (9.2–14.1 months) compared with the range of median submission delays. Drugs with moderate-to-high therapeutic value were associated with a six-month earlier submission time compared to drugs with low therapeutic value, on average. Higher-price drugs were associated with earlier submission, on average. Overall, cross-national differences in drug availability largely reflected differences in submission, not regulatory review, times. Although the US had greater and faster availability of novel therapeutics, the difference was smaller for drugs that offered moderate-to-high therapeutic value.
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Health Economics Policy and Law

Private equity investments in health care in OECD countries: an exploratory analysis

January 28, 2026
Private equity (PE) firms are increasingly investing in healthcare, seeking short-term returns through market consolidation, price increases, asset sales, and financial engineering. Although PE is transforming the healthcare sector, many countries lack systematic data to determine whether a regulatory response is warranted. Using data from PitchBook, we document substantial and growing PE investment in health care across 25 of 38 Organization of Economic Cooperation and Development (OECD) countries, totalling over 8,400 reported deals and $1.4 trillion in capital between 2013 and 2023. Outpatient clinics represent the dominant target of investment, while hospital and elder care sectors have attracted investments in select countries. Exploratory regression analyses suggest that PE firms are less likely to invest in countries with a social health insurance system and that PE deal volume is positively associated with health expenditures. Country-specific deviations from model predictions underscore the importance of unmeasured country-specific factors such as regulation, payment policy, and market competition. Eight case studies illustrate the operational, financial, and social implications of PE investments, as well as diverse regulatory contexts. Given the lack of disclosure requirements, a key policy priority for governments is to enhance transparency to enable effective monitoring of the financialisation of health care delivery.
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JAMA Health Forum

Tertiary Patents on Drugs Approved by the FDA

January 2, 2026
Question: How have medical device patents contributed to periods of market exclusivity on drug-device combinations?

Findings: In this cohort study of 331 drug-device combinations approved by the Food and Drug Administration (FDA) from 1986 to 2023, 1751 of 3241 individual patent listings were on the delivery devices of these products. Medical device patents extended periods of protection for 180 products (54.4%) by a median (IQR) of 7.5 (2.8-13.9) years, with most device patents failing to mention the active pharmaceutical ingredients in their claims.

Meaning: Patenting strategies on drug-device combinations may impede generic entry and keep prices high for patients and payers.
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Springer Nature Link

Evaluating the value for money of global fund’s expenditures (2017–2019)

December 18, 2025
Background: The Global Fund to Fight AIDS, Tuberculosis, and Malaria is one of the world’s largest global health donor agencies, playing a key role by filling recipient countries’ domestic health financing gaps; however, little is known about how well it achieves value for money. Given the current uncertainty regarding global health development assistance, it is critical to understand how to prioritize external donor funding allocations in an effort to maximize health impact.

Methods: In this study, we evaluated 66 recipient countries’ efficiency relative to peers in achieving improvement in health outcomes for TB, malaria, and HIV given their 2017–2019 Global Fund expenditures for (1) health products, (2) program activities, and (3) program management. Using a combination of frontier analysis, linear regression, and cluster analysis, we examined how macroeconomic conditions, epidemiological context, health system factors, and Global Fund spending decisions explain variation in country program performance.

Results: For malaria and HIV, we found a negative relationship between Global Fund spending on program activity and health product costs respectively and countries’ efficiency at translating funds to health impact. For malaria and HIV, there was also significant variation in efficiency across countries according to their economic capacity, disease burden, and most prominent spending area.

Conclusions: Our results suggest possible structural inefficiencies in country program management, dampening the health impact of frontline programs. The lack of broad patterns to predict performance signals the importance of tailoring spending strategies to country-specific contexts.
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JAMA Health Forum

Obstetric-Related Emergency Medical Treatment and Labor Act Violations and No Health Exception Bans

December 5, 2025
Question: How did obstetric-related Emergency Medical Treatment and Labor Act (EMTALA) violations change in association with state-level abortion policy?

Findings: In this difference-in-differences analysis of EMTALA violations from 2018 to the first quarter of 2023, states with no health exceptions saw a substantial rise in obstetric-related violations that were associated with policies adopted by Texas. There was a concurrent rise in emergency department utilization, and screening failures suggest that violations may have increasingly occurred on arrival before treatment.

Meaning: The study results suggest that state abortion laws may undermine federally protected care in obstetric emergencies.
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CHeSS in the News

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May 19, 2025 AcademyHealth

Publication-of-the-Year Award 2025

The Publication-of-the-Year Award recognizes the best and most relevant peer-reviewed, scientific work that the fields of health services research and health policy have produced and published in the prior calendar year.

Publication-of-the-Year Award
Differential Legal Protections for Biologics Vs Small-Molecule Drugs in the U.S.
Olivier J. Wouters, Ph.D.
April 16, 2025 The Economist

How Britain decides which drugs to buy

Since 1999, the National Institute for Health and Care Excellence has weighed costs against benefits to help the NHS decide what it should buy. The institute’s boss, Sam Roberts, calls it a mindful “health-care innovation shopper”. Within a fixed budget, every new drug it buys risks squeezing essentials like GPs or ambulances among existing health-care services.
March 26, 2025 STAT+

Recent pharma-telehealth partnerships feel ‘black boxy,’ and why that’s problematic

In recent months, a new kind of partnership between telehealth companies and pharmaceutical manufacturers has come under scrutiny over concerns that such arrangements could lead to inappropriate prescriptions and poor care. Eli Lilly and Pfizer, along with five telehealth companies accessible through the pharma companies’ websites, have recently received letters from four senators echoing those concerns, asking questions about care, prescription volume, and the flow of data and money between the firms. The lawmakers want to determine whether pharma-telehealth deals may be violating the federal anti-kickback statute. That question has also piqued the interest of three health policy researchers at Brown University.
July 1, 2024 Bulletin of the World Health Organization

Policy Approaches to Health System Performance Assessment

The articles in this issue highlight the importance of regular health systems performance assessment to inform policies that advance progress on health system objectives globally, and offer insights on associated data, methods and applications.
June 4, 2024 Science Business

Global research needs transnational funding

As common problems call for more global cooperation in research, cross-border partnerships struggle to get money from national funding agencies
March 2, 2024 APES

Health Policy Analysis of Portuguese Electoral Programs

Sara Machado Ph.D. uses the HSPA framework to examine the health policy propositions being debated by parties in the 2024 Portuguese legislative elections.
January 29, 2024 STAT

Which country has the best health care? That’s the wrong question

Irene Papanicolas: Every health care model involves people doing their best to balance competing priorities in the face of limited resources. In other words, every system involves tradeoffs.
November 10, 2021 The Guardian

England has highest death rates of older patients in western world, study finds

ICCONIC findings featured in a Guardian article.
November 10, 2021 The Health Foundation

Caring for older patients with complex needs: How does England compare with 11 OECD countries?

Report of ICCONIC research to the Health Foundation.
Brown University School of Public Health
Providence RI 02903 401-863-3375 public_health@brown.edu

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