niehs/dntp portfolio in support of ntp · 6/17/2019 · • integration – across dntp, niehs,...
TRANSCRIPT
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NIEHS/DNTP Portfolioin Support of NTPScott Masten, PhD, DABT
Division of the National Toxicology ProgramNational Institute of Environmental Health Sciences
NTP Board of Scientific Counselors MeetingJune 17, 2019
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Outline
• Some NTP basics
• Describing the DNTP portfolio
• Survey of current research
• Shift and alignment
• Structure and focus
• Planning for the future
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Organizational Structure and Oversight
NTP Basics
Division of theNational Toxicology Program (DNTP)
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Funding
NTP Basics
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Capabilities and mechanisms
NTP Basics
• NIEHS contracts
– 30 contracts in FY2018
• In-house research
– Experimental, computational, evaluative
• Interagency agreements– FDA/NCTR– CDC/NIOSH– NIH/NCATS
– EPA/NCCT– EPA/NCEA– DOE/ORNL
StatisticsInformaticsIT
Pathology Quality assessment
Analytical Chemistry
Data & Info Mgmt
ToxicologyStudies
Alternative Methods
Contract Support
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DNTP Operations
NTP Basics
• Project and product centered research
• Shared resources, managed centrally
– Individual projects/people are not ”funded”
• Distributed governance
– Internal decision-making largely consensus-based
• Teams assembled to include appropriate:
– Disciplines, expertise, roles
Product
ProcessPeople
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• Technical Reports
• Toxicity Reports
• Research Reports
• Monographs
• Report on Carcinogens
• Scientific journal articles
Primary outputs
NTP Basics
• Data (e.g. CEBS)
• Databases (e.g. ICE)
• Computational tools (e.g. DNT-DIVER)
• Research resources (e.g. NonneoplasticLesion Atlas)
• Presentations and posters
CEBS: https://manticore.niehs.nih.gov/cebssearch/ICE: https://ice.ntp.niehs.nih.gov
DNT-DIVER: https://sandbox.ntp.niehs.nih.gov/neurotox/NNL Atlas: https://ntp.niehs.nih.gov/nnl/https://ntp.niehs.nih.gov/results/pubs/index.html
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• Federal rulemakings
– EPA dust-lead hazard standards• OHAT Low-Level Lead Monograph (2012)
• California EPA Proposition 65
– Cancer hazard determinations• Technical Report on TRIM VX (2016)
• Health guidance
– NIOSH List of Hazardous Drugs in Healthcare Settings• 14th Report on Carcinogens (2016)
Examples of NTP products cited by health agencies
Public Health Impact
https://ntp.niehs.nih.gov/annualreport/2018/glance/03_ntpimpact/index.html
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Outline
• Some NTP basics
• Describing the DNTP portfolio
• Survey of current research
• Shift and alignment
• Structure and focus
• Planning for the future
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• Portfolio definition (Oxford)
– “A range of products or services offered by an organization”
• Portfolio as a unifying concept
– All scientific activities
• Tangible components
– Research products, programs, projects, studies
• “Soft” components
– Advice, consultations, outreach, support, training
Broadly defined
DNTP Portfolio
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• Organized largely around capability and discipline
• Descriptors
– Types of substances
– Types of studies
– Types of methods/approaches
– Types of products
Structure and components
DNTP Portfolio
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• Mammalian toxicology– Repeat dose toxicology– Carcinogenicity bioassays– Immunotoxicology– Developmental and
reproductive toxicology– Neurotoxicology– Genetically modified models
• Alternative models– Zebrafish– HepaRG spheroids
• ADME/Toxicokinetics• Analytical chemistry• Bioinformatics• Biological modeling• Computational toxicology/QSAR• Genotoxicity• Literature scoping• Molecular pathology• Systematic review• Transcriptomics
Capabilities - Examples
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• Antimicrobials• Biological agents• Botanicals and dietary supplements• Consumer products• Cyanotoxins• Dietary and drinking water exposures• Endocrine active substances• Flame retardants• Food additives/contaminants• Industrials• High threat agents• PAHs
• PFAS• Metals• Mixed exposures• Molds and mycotoxins• Nanomaterials• Natural products• Oil and gas chemicals• Particles and fibers• Pesticides• Physical agents• Safer alternatives• Therapeutics
Types of Substances Evaluated
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• Research and Testing Activities
– Toxicology studies
– Tox21 and biomolecular screening
– New, revised, or alternative test methods
– Investigative studies
• Analysis Activities
– Non-cancer health effects
– Cancer hazards
Project categories
Current DNTP Research Portfolio
https://ntp.niehs.nih.gov/annualreport/2018/research/index.html
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• Disposition, metabolism, and toxicokinetics
• Genetic toxicity
• Systems Toxicity– Immune, developmental, reproductive
• General toxicology and carcinogenicity– 5 days → 2 years
• Toxicogenomics
Toxicology studies
Research and Testing Activities
https://ntp.niehs.nih.gov/annualrepor/2018/research/02_testing_tox_studies_subsec/index.html
10-15
40-50
40-50
15-20
80-100
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• Develop, apply, and evaluate innovative high-throughput and/or high-content approaches to characterize the impact of chemicals on key steps in toxicity pathways
• Ongoing projects
– Assay development
– Data analysis
– Screening/testing
Tox21 and biomolecular screening
Research and Testing Activities
https://ntp.niehs.nih.gov/annualreport/2018/research/01_tox21/index.html
Analysis workflows/tools
Predictive model development
IVIVE
Reference data curation
3-D tissue models
Genomic dose-response
High content platforms
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• Development of non-animal approaches
– Acute systemic toxicity
– Botulinum neurotoxin testing
– Cardiotoxicity
– Developmental toxicity
– Endocrine disruptor activity
– Skin sensitization
– Ocular irritation
New, revised, or alternative test methods
Research and Testing Activities
https://ntp.niehs.nih.gov/annualreport/2018/research/index.html
• Test method evaluations
– Electrophilic allergen screening assay
– OptiSafe
– EpiAirway™
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• Agent-specific, targeted research on specific substances of concern to NTP
– Botanicals, crumb rubber, PFAS, PAHs
• Development of methods and capabilities to advance the NTP mission
– Metabolomics
– Complex in vitro systems
– In vitro imaging and pathology
• Mechanisms of neurotoxicity and the developmental basis of adult disease
Investigative studiesResearch and Testing Activities
https://ntp.niehs.nih.gov/annualreport/2018/partners/01_niehs/index.html#AreaResearch
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• Human health hazard assessments
• Scoping reviews
• Evidence maps
• State-of-the-science evaluations
• Improving systematic review and evidence integration methods
Evaluating non-cancer health effects
Analysis Activities
https://ntp.niehs.nih.gov/pubhealth/hat/selected/topic.html
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• Integrated cancer hazard evaluations– Consideration for new editions of the
Report on Carcinogens
• 14th Report (2016): 248 listings
• Improving methods for evaluating mechanistic evidence to inform carcinogenicity assessments
Evaluating human cancer hazards
Analysis Activities
https://ntp.niehs.nih.gov/pubhealth/roc/candidates/index.html
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• Some NTP basics
• Describing the DNTP portfolio
• Survey of current research
• Shift and alignment
• Structure and focus
• Planning for the future
Outline
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Tox Testing
New ApproachMethodology
Scoping/Sys Rev
NCTR/NIOSH Chemistry
In vitroScreening
Toxicogenomics
Portfolio Review
• Counts of test substance x study → not equivalent to level of effort
• N = too many!
• Dissatisfaction with transit time through conduct and reporting pipeline
• Working through prioritization and managed attrition
• All projects – Study Type Grouping
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Testing
Capability development
Mechanistic investigation
Substance-Focused
Studies
Projects
Programs
TestingCapability
Investigation
Programmatic Strategy
• Focused• Aligned• Complementary
Strategic Shift
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• Broad scientific areas
– Substance-based hazard evaluations
– Understanding environmental contribution to human disease
– Targeted capability development
• Discrete scientific programs
– Health Effects Innovation Programs
– Exposure-Based Research Themes
– Responsive Research
Some things old, some things new
Portfolio Structure
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High-throughput transcriptomics
Computational toxicology
Organotypic models In vitro imaging
In vitro ADMEEvaluating
confidence in NAMs
Metabolomics Analytic tool development
Targeted capability development
Broad Scientific Areas
• Directly support/enable scientific initiatives
• Leverage and improve upon existing strengths
• Intentionally developed to fill in blind spots, clear path to application
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Strategic Areas of Focus
Discrete Scientific Programs
Health Effects Innovation Programs
Cardiovascular Health Effects Assessment
Re-Envisioning Carcinogenicity
Assessment
Developmental Neurotoxicity
Modeling
Exposure-Based Research Themes
Combined Exposures and
Mixtures
Consumer Products and Therapeutics
Occupational and Inhalation
Exposures
Responsive Research
Per- and Polyfluoroalkyl
Substances (PFAS)
Emerging Contaminants
/Issues of Concern
Safe and Sustainable Alternatives
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Hypothesis-driven Research
Bioactivity Screening
CompTox
Data / Knowledge
Mining
Communicate
In vitro Studies
Short term in vivo Studies
Chronicin vivo Studies
Human Health Effects
Knowledge Integration
DNTP Translational Toxicology Pipeline
Bespoke and human-relevant animal studies
Iterative learning
Human-relevant in vitro systems-e.g. 3D complex
Fully leveraging ‘pre-animal’ capabilities
Machine/Deep learning capabilities
Guideline ToxicologyInvestigative Toxicology
Evidence Evaluations
Informatics
Predictive Toxicology
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• Some NTP basics
• Describing the DNTP portfolio
• Survey of current research
• Shift and alignment
• Structure and focus
• Planning for the future
Outline
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Structure and manage to increase:
• Impact – innovation, prediction, translation
• Integration – across DNTP, NIEHS, “Big NTP”
• Agility – seize opportunities
• Opportunity – build partnerships, leverage resources
• Efficiency – upgrade operations and systems
• Sustainability – effort toward delivering not fixing
• Long-term viability – prepared to tackle tomorrow’s problems
Portfolio strategic aims
Future Focused
NTP @ 50
NTP @ 25
NTP @ 40
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• Delivering on current obligations
• Maintaining core capabilities and partnerships
• Fostering disciplined creativity
• Adopting novel mechanisms for engagement and coordination
• Broadening leadership and mentoring skills development
• Expanding range of products: knowledge > decision > action
Commitments, concerns, challenges
A Lot of Work Ahead
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https://www.niehs.nih.gov/research/atniehs/dntp/index.cfm
DNTP@NIEHS
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Questions and Comments