treuman katz center for pediatric bioethics - 2008 conference newborn screening: the future...
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![Page 1: Treuman Katz Center for Pediatric Bioethics - 2008 Conference Newborn Screening: The Future Revolution Beth A. Tarini, MD, MS Assistant Professor Child](https://reader036.vdocuments.site/reader036/viewer/2022062714/56649cf95503460f949caec6/html5/thumbnails/1.jpg)
Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Newborn Screening: The Future RevolutionNewborn Screening: The Future Revolution
Beth A. Tarini, MD, MSBeth A. Tarini, MD, MSBeth A. Tarini, MD, MSBeth A. Tarini, MD, MS
Assistant ProfessorAssistant ProfessorChild Health Evaluation and Research UnitChild Health Evaluation and Research Unit
University of MichiganUniversity of Michigan
Assistant ProfessorAssistant ProfessorChild Health Evaluation and Research UnitChild Health Evaluation and Research Unit
University of MichiganUniversity of Michigan
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
“If you don't know where you are going, any road will get you there.”
- Lewis Carroll
“If you don't know where you are going, any road will get you there.”
- Lewis Carroll
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Where do we want to go with newborn screening?
Where do we want to go with newborn screening?
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
What do we want the ultimate goal of newborn screening to be?
What do we want the ultimate goal of newborn screening to be?
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
OutlineOutline
• Newborn screening of the present
• Newborn screening of the future
• Implications of future system
• Newborn screening of the present
• Newborn screening of the future
• Implications of future system
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
OutlineOutline
• Newborn screening of the present
• Newborn screening of the future
• Implications of future system
• Newborn screening of the present
• Newborn screening of the future
• Implications of future system
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Newborn Screening NowNewborn Screening Now• Public health program
• Newborns screened after birth for inherited, treatable disorders
• Examples
– Phenylketonuria (PKU)
– Congenital Hypothyroidism
– Sickle Cell Disease
• Public health program
• Newborns screened after birth for inherited, treatable disorders
• Examples
– Phenylketonuria (PKU)
– Congenital Hypothyroidism
– Sickle Cell Disease
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Newborn Screening PolicyNewborn Screening Policy
• Mandated• Mandated
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Newborn Screening PolicyNewborn Screening Policy
• State regulated• State regulated
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Copyright ©2006 American Academy of PediatricsCopyright ©2006 American Academy of Pediatrics
Tarini, B.A. et al. Pediatrics 2006;118:448- 456Tarini, B.A. et al. Pediatrics 2006;118:448- 456
Increase in newborn screening testing across states: 1995-2005Increase in newborn screening testing across states: 1995-2005
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Mission of Newborn Screening:ACMG
Mission of Newborn Screening:ACMG
“…newborn screening programs are designed to provide early diagnosis and treatment before significant, irreversible damage occurs.”
“…newborn screening programs are designed to provide early diagnosis and treatment before significant, irreversible damage occurs.”
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Mission of Newborn Screening:ACMG
Mission of Newborn Screening:ACMG
“…newborn screening programs are designed to provide early diagnosis and treatment before significant, irreversible damage occurs.”
“…newborn screening programs are designed to provide early diagnosis and treatment before significant, irreversible damage occurs.”
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Mission of Newborn Screening:ACMG
Mission of Newborn Screening:ACMG
“…newborn screening programs are designed to provide early diagnosis and treatment before significant, irreversible damage occurs.”
“…newborn screening programs are designed to provide early diagnosis and treatment before significant, irreversible damage occurs.”
![Page 15: Treuman Katz Center for Pediatric Bioethics - 2008 Conference Newborn Screening: The Future Revolution Beth A. Tarini, MD, MS Assistant Professor Child](https://reader036.vdocuments.site/reader036/viewer/2022062714/56649cf95503460f949caec6/html5/thumbnails/15.jpg)
Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Mission of Newborn Screening: AAP
Mission of Newborn Screening: AAP
“Newborn screening…aimed at the early identification of conditions for which early and timely interventions can lead to the elimination or reduction of associated mortality, morbidity, and disabilities.”
“Newborn screening…aimed at the early identification of conditions for which early and timely interventions can lead to the elimination or reduction of associated mortality, morbidity, and disabilities.”
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Mission of Newborn Screening: AAP
Mission of Newborn Screening: AAP
“Newborn screening…aimed at the early identification of conditions for which early and timely interventions can lead to the elimination or reduction of associated mortality, morbidity, and disabilities.”
“Newborn screening…aimed at the early identification of conditions for which early and timely interventions can lead to the elimination or reduction of associated mortality, morbidity, and disabilities.”
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Mission of Newborn Screening: AAP
Mission of Newborn Screening: AAP
“Newborn screening…aimed at the early identification of conditions for which early and timely interventions can lead to the elimination or reduction of associated mortality, morbidity, and disabilities.”
“Newborn screening…aimed at the early identification of conditions for which early and timely interventions can lead to the elimination or reduction of associated mortality, morbidity, and disabilities.”
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Mission of Newborn Screening: AAP
Mission of Newborn Screening: AAP
“Newborn screening…aimed at the early identification of conditions for which early and timely interventions can lead to the elimination or reduction of associated mortality, morbidity, and disabilities.”
“Newborn screening…aimed at the early identification of conditions for which early and timely interventions can lead to the elimination or reduction of associated mortality, morbidity, and disabilities.”
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Mission of Newborn ScreeningMission of Newborn ScreeningEARLY
IDENTIFICATIONEARLY
IDENTIFICATION
IMPROVEDINFANT OUTCOMES
IMPROVEDINFANT OUTCOMES
INTERVENTIONINTERVENTION
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Disorders Added Under Current Mission
Disorders Added Under Current Mission
PKUPKU
19631963 19871987
Sickle Cell Disease
Sickle Cell Disease
Congenital Hypothyroidism
Congenital Hypothyroidism
Late 1970sLate
1970s
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Cystic FibrosisCystic
Fibrosis
20032003
Tandem Mass Spec Disorders
Tandem Mass Spec Disorders
20052005
Disorders Added Under Current Mission
Disorders Added Under Current Mission
20??20??
??
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
OutlineOutline
• Newborn screening of the present
• Newborn screening of the future
• Implications of future system
• Newborn screening of the present
• Newborn screening of the future
• Implications of future system
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Disorders for the FutureDisorders for the Future
20??20??
Duchenne’s Muscular Dystrophy
Spinal Muscular Atrophy
Duchenne’s Muscular Dystrophy
Spinal Muscular Atrophy
Cystic FibrosisCystic
Fibrosis
20032003
Tandem Mass Spec Disorders
Tandem Mass Spec Disorders
20052005
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Treatment for Duchenne’s?Treatment for Duchenne’s?
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Should we screen only when an effective treatment exists?Should we screen only when an effective treatment exists?
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Screening only when effective treatment exists is…
Screening only when effective treatment exists is…
“outmoded because it fails to consider other benefits of diagnosis in the newborn period”
“outmoded because it fails to consider other benefits of diagnosis in the newborn period”
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Screening only when effective treatment exists is…
Screening only when effective treatment exists is…
“outmoded because it fails to consider other benefits of diagnosis in the newborn period”
“outmoded because it fails to consider other benefits of diagnosis in the newborn period”
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Screening only when effective treatment exists is…
Screening only when effective treatment exists is…
“outmoded because it fails to consider other benefits of diagnosis in the newborn period”
“outmoded because it fails to consider other benefits of diagnosis in the newborn period”
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Screening only when effective treatment exists…
Screening only when effective treatment exists…
“dooms us to continued ignorance and unavailability of treatment“dooms us to continued ignorance and unavailability of treatment
because affected individuals are not identified until they exhibit symptoms, too late for effective preventive interventions to be tested or applied.”
because affected individuals are not identified until they exhibit symptoms, too late for effective preventive interventions to be tested or applied.”
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Screening only when effective treatment exists…
Screening only when effective treatment exists…
“dooms us to continued ignorance and unavailability of treatment“dooms us to continued ignorance and unavailability of treatment
because affected individuals are not identified until they exhibit symptoms, too late for effective preventive interventions to be tested or applied.”
because affected individuals are not identified until they exhibit symptoms, too late for effective preventive interventions to be tested or applied.”
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Current Mission of Newborn Screening
Current Mission of Newborn Screening
EARLY IDENTIFICATION
EARLY IDENTIFICATION
IMPROVEDINFANT OUTCOMES
IMPROVEDINFANT OUTCOMES
INTERVENTIONINTERVENTION
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Future Mission of Newborn Screening
Future Mission of Newborn Screening
EARLY IDENTIFICATION
EARLY IDENTIFICATION
“OTHER BENEFITS”“OTHER BENEFITS”RESEARCHRESEARCH
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Screening only when effective treatment exists…
Screening only when effective treatment exists…
“outmoded because it fails to consider other benefits of diagnosis in the newborn period”
“outmoded because it fails to consider other benefits of diagnosis in the newborn period”
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Other Benefits:Future Newborn Screening
Other Benefits:Future Newborn Screening
• Avoid diagnostic odyssey
• “Prepare” for disease
• Reproductive decision making
• Early access to promising therapies
• Avoid diagnostic odyssey
• “Prepare” for disease
• Reproductive decision making
• Early access to promising therapies
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
No Benefits Without HarmsNo Benefits Without Harms
HARMS
BENEFITS
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Other Harms:Future Newborn Screening
Other Harms:Future Newborn Screening
• More Tests, More False Positives– Parental anxiety– Lingering doubts about test result– Later increased healthcare utilization
• More Tests, More False Positives– Parental anxiety– Lingering doubts about test result– Later increased healthcare utilization
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Other Harms:Future Newborn Screening
Other Harms:Future Newborn Screening
• Ambiguous results– Parental anxiety– Labeling effect– Unnecessary treatment
• Ambiguous results– Parental anxiety– Labeling effect– Unnecessary treatment
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Consequences of ScreeningConsequences of Screening
Disease that will become symptomatic
Disease detected clinically
Disease detected clinically
“Pseusodisease”“Pseusodisease”
Disease detected by screening
Disease detected by screening
Disease that will remain asymptomatic
Wolf, BMJ, 2003
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Screening only when effective treatment exists
Screening only when effective treatment exists
“…because affected individuals are not identified until they exhibit symptoms, too late for effective preventive interventions to be tested or applied.”
“…because affected individuals are not identified until they exhibit symptoms, too late for effective preventive interventions to be tested or applied.”
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Newborn Screening as Research
Newborn Screening as Research
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
To benefit from research…To benefit from research…
• Establish research infrastructure– National or regional– Address medical and social outcomes– Requires resources– Takes time
• Establish research infrastructure– National or regional– Address medical and social outcomes– Requires resources– Takes time
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
To benefit from research…To benefit from research…
• 2005, ACMG NBS recommendation
– “develop national systems for the collection of clinical information about those individuals identified in screening”
• 2008
– Development of infrastructure in process
• 2005, ACMG NBS recommendation
– “develop national systems for the collection of clinical information about those individuals identified in screening”
• 2008
– Development of infrastructure in process
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
OutlineOutline
• Newborn screening of the present
• Newborn screening of the future
• Implications of future system
• Newborn screening of the present
• Newborn screening of the future
• Implications of future system
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Future Newborn
Screening as Mandatory Research
Future Newborn
Screening as Mandatory Research
Current newborn screening is mandatory…
Current newborn screening is mandatory…
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Can you mandate based on these benefits?
Can you mandate based on these benefits?
• Avoid diagnostic odyssey
• “Prepare” for disease onset
• Reproductive decision making
• Early access to promising therapies
• Avoid diagnostic odyssey
• “Prepare” for disease onset
• Reproductive decision making
• Early access to promising therapies
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Parental Consent ProcessParental Consent Process
• Current process needs modification
– Many states don’t obtain active consent
• Focus on parental education
• Address needs of research subjects
• Current process needs modification
– Many states don’t obtain active consent
• Focus on parental education
• Address needs of research subjects
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Expansion of newborn screening requires
expansion of resources
Expansion of newborn screening requires
expansion of resources
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
More than a test…More than a test…
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
More than a test…More than a test…
Follow-up testing
& evaluation
Education Screening
Treatment & long-term
management
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
More than a test…More than a test…
Public Health
Primary Care Physicians
Specialty Physicians
FAMILIES
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Public Health ServicesPublic Health Services
PKU
Congenital Hypothyroidism
Sickle Cell
Cystic Fibrosis
Emergency Urgency
Public Health
Clinical Service
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Where do we put Duchenne’s?Where do we put Duchenne’s?
Emergency Urgency
Public Health
Clinical Service
Duchenne’s
Duchenne’s Duchenne’s
Duchenne’s
XX
XX
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Where will it end?Where will it end?
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
What disorders will we NOT add?What disorders will we NOT add?
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Julia
• 5 day old female term infant
• Being seen at her pediatrician’s
office for check-up
• Pediatrician reviews newborn
screening results with family
Julia
• 5 day old female term infant
• Being seen at her pediatrician’s
office for check-up
• Pediatrician reviews newborn
screening results with family
Newborn Screening 2020Newborn Screening 2020
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
• Positive screen for congenital
hypothyroidism
• Carrier for Fragile X
• Genetic mutations that increase her
risk for autism, depression,
type 2 diabetes
• Positive screen for congenital
hypothyroidism
• Carrier for Fragile X
• Genetic mutations that increase her
risk for autism, depression,
type 2 diabetes
Julia’s newborn screening results…
Julia’s newborn screening results…
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
Where do we want to go with newborn screening?
Where do we want to go with newborn screening?
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Treuman Katz Center for Pediatric Bioethics - 2008 Conference
AcknowledgementsAcknowledgements
• Treuman Katz Center for Pediatric Bioethics
• Duane Alexander, MD
• Ben Wilfond, MD
• Wylie Burke, MD, PhD
• Child Health Evaluation & Research Unit, University of Michigan
• Treuman Katz Center for Pediatric Bioethics
• Duane Alexander, MD
• Ben Wilfond, MD
• Wylie Burke, MD, PhD
• Child Health Evaluation & Research Unit, University of Michigan