The Economics of a National HCV Strategy - HHS.gov HCV Strategy... · The epicenter of the epidemic...
Transcript of The Economics of a National HCV Strategy - HHS.gov HCV Strategy... · The epicenter of the epidemic...
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The Economics of a National HCV Strategy
Benjamin P. Linas, MD MPH
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The epicenter of the epidemic– 28 year old male injection drug user– Last drug use 4 months ago, now on
buprenorphine/naloxone– Genotype 1a; RNA = 4.5 million copies– Platelets = 250, albumin 3.8, AST/ALT 90s,
INR = 1.1– Fibroscan 2.1 kPa
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A long journey to this point
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Assessment and plan• Treatment naïve, non-cirrhotic, GT1a• Substance use disorder being treated• Plan HCV therapy?• Agnostic between regimen options• Must process prior authorization
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“Denied” vs. “Deferred”• Payer refused authorization due to early
stage disease and substance use• Appeal not successful• Now waiting with q12 month Fibroscan?
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Lost opportunity
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Cost is THE issue in HCV• Cost of drug limits access to HCV
treatment in 2016• Partial access = partial strategy• We cannot discuss elimination unless
we first address access
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Overview1. What is “value” in medicine?2. The value of HCV screening3. The value of cascade interventions4. The value of treatment5. Tension between value and affordability
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WHAT IS “VALUE?”
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What is cost-effectiveness?• Quantifies the value of treatment• Seeks to maximize impact• Has the same goal as all other public
health research – to improve publichealth
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Cost-effectiveness analysis• Two outcome measures
– Cost ($)– Effectiveness (quality-adjusted life years)
• Incremental cost-effectiveness ratio (ICER):
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$42,000/QALY
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What are we willing to pay?Treatment $/QALY *
ART for HIV infection 1 $31,500Statins for primary prevention 2 $47,700Implantable defibrillators 3 $81,900Dialysis, seriously ill adults 4 $187,000
* Converted to 2015 currency year1 Freedberg et al. NEJM 2 Pletcher et al. Annals Internal Medicine 2009 3 Sanders et al. NEJM 2005 4 Hamel et al. Annals Internal Medicine 1997
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Cost-effectiveness 101• Maximizes population-level benefits of
medical therapies• DOES NOT seek to minimize cost• Requires an explicit decision about
willingness to pay
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WHAT IS THE VALUE OF HCVSCREENING?
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“Birth-cohort” screening
Rein et al. Ann Intern Med. 2012;156(4):263-270. http://annals.org/aim/article/1132687/cost-effectiveness-birth-cohort-screening-hepatitis-c-antibody-u-s
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Screening in drug treatment
• HCV screening drugtreatment programsprovides good value
• Despite poor linkage
• Even with HCV testingin the community
Schackman et al. Addiction. 2015 Jan;110(1):129-43
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Beyond “birth cohort”
Assoumou et al. IDSA 2016 Abstract
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HCV screening provides good value
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WHAT IS THE VALUE OF LINKING TO HCV CARE?
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Intervention candidatesLinkage to care intervention increases linkage by 10 percentage points
Treatment initiation intervention increases initiation by 10 percentage points
Integrated case management increases linkage and initiation by 10 percentage points
Peer navigators increase linkage, initiation, and adherence by 10 percentage points
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Don’t fragment the cascadeComprehensive interventions provide best outcomes
Bar graph depicting the percentages of patients who are linked to care (set of bars on left), initiate treatment (set of bars in the middle), and achieve SVR (set of bars on the right). Within each set of bars, representing a stage of care, the impact of interventions are shown for each in 3 different scenarios - the status quo (left bar), when treatment is initiated (middle bar), and with the inclusion of peer navigators (right bar).
Even when less effective at any single cascade step
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Peers are cost-effective even if modestly effective
Graph of the incremental cost-effectiveness ratio decreasing with the increased intervention efficacy due to peer navigator support (top line). The bottom line reflects the trend for integrated case manager support.
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Think comprehensive and integrated interventions
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ARE NEW THERAPIES A GOOD USE OF RESOURCES?
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HCV treatment is cost-effective with negotiated
rebates
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Factors that impact value• Drug costs• Fibrosis stage• Quality of life with early-stage HCV
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Factors that do not impact value
• The incidence of HCV re-infection
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Value summary• HCV testing provides good value• Comprehensive interventions to link and
initiate therapy provide good value• HCV therapy provides good value
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WHY DO INSURERS RESTRICT COST-EFFECTIVE TREATMENTS?
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Cost-effective ≠ AffordableCost-effective ≠ Cost-saving
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What is cost-effectiveness?• Quantifies the value of treatment• Seeks to maximize impact• Has the same goal as all other public
health research – to improve publichealth
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“Given the resources available, how can we achieve the best possible outcomes?”
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What is budget impact?• Quantifies the cost to a specific budget
over the short-term• Based on principles of accounting• Has no explicit consideration of
outcomes beyond their impact on cost
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“If we treat all HCV-infected people in our plan, how much will we spend this year?”
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Cost-Effective v. Budget ImpactCost-effectiveness• Societal perspective• Lifetime horizon• Poor outcomes directly
incorporated into ICER
Budget impact• Payer perspective• Short horizon• Poor outcomes
incorporated via theirimpact on cost
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What is the budget impact of treating HCV?
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What drives budget impact?• The price of therapy• The rate of treatment failure• The incidence of reinfection• The short-term costs averted by cure
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“Price” of therapy depends on:• Where you are• What type of payer covers you• Which plan you have within your insurer
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Disparities in access
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Utilization after SVR• Not often discussed• Not known and hard to measure• Critical to budget impact to payers
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Short-term utilization and value
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Who will struggle?• Treatment failures and reinfections do
impact budget and limit reach• We need patient-centered tools to
assess preparedness for therapy
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Summary• Screening for HCV is cost-effective• Linking people to care is cost-effective• Treating HCV is cost-effective
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Summary
BUT – all of these things are costly
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Summary
We cannot form a comprehensive national HCV strategy without addressing
economic barriers
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Summary
We cannot eliminate HCV transmission without addressing economic barriers
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CHERISH• Center for Health Economics of
Treatment for Substance Use Disorders, HCV, and HIV
• NIDA funded• [email protected]