TRENDS AND CHALLENGES IN TRANSLATIONAL …web.jhu.edu/administration/provost/Archived Pages...T1...
Transcript of TRENDS AND CHALLENGES IN TRANSLATIONAL …web.jhu.edu/administration/provost/Archived Pages...T1...
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TRENDS AND CHALLENGES IN
TRANSLATIONAL RESEARCH
ED MILLER SYMPOSIUM JOHNS HOPKINS
JUNE 2012 Elias A. Zerhouni, M.D.
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THREE CORE MESSAGES
TRANSLATIONAL RESEARCH IS IN TROUBLE
WE NEED TO RE-INVENT TRANSLATIONAL RESEARCH
ACADEMIC HEALTH CENTERS WILL BE
KEY TO ITS RECOVERY
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Thanks to progress made in the biomedical sciences , the number of potential
biological disease modifying targets has dramatically increased
but TRANSLATABILITY of those advances into tangible health benefits seems to have
decreased
Academia, Government and Industry need to implement more innovative solutions
The Fundamental problem
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A spectacular drop in worldwide R&D productivity
Mean clinical development time (years)
12
8
4
0
+15%
Clinical
Approval
05-10
7.9
00-04
7.7
95-99
6.7
90-94
5.6
82-89
4.5 84
Number of NCEs and NBEs approved
400
300
200
100
0
-26%
NCE
NBE
05-10
133
109
24
00-04
162
120
42
95-99
241
187
54
90-94
210
126
| 4
R&D expenditure per drug ($M)
2000
1.500
1.000
500
0
+11%
101
1778
07
1318
03
1250
01
880
96
608
94
400
90
359
87
230
82
125
76
54
NME: New molecular entity NCE: New chemical entity NBE: New biological entity 1 2010 data is from Paul et al Nature Feb-10, rest of data from Tufts Source: FDA; EvaluatePharma; Tufts CSDD 2007; Parexel; CMR; Paul et al, 2010,
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Evolving Unmet Needs in Public Health
Shift from Acute to Chronic Conditions
Global Health Disparities
Emerging and Re-emerging Infectious Diseases
Aging Population
Emerging Non-communicable Diseases – Depression, Allergy, Obesity
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Personalized Pr
edic
tive
Participatory
Preemptive
The Future Paradigm: The 4 P’s Transform Medicine from Curative to Preemptive
PRECISION MEDICINE !
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Today, a fundamental
scientific barrier is our limited ability to study complex
and dynamic biological systems
in health or disease!
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NEED TO BETTER UNDERSTAND BIOLOGICAL COMPLEXITY
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From the “Hardware” of Life to the “Software” of Life
Understanding Molecular Pathways and Their
Regulation in Health and Disease
Will lead to a functional and more precise re-classification of most diseases based on their
specific Molecular Pathways
Help better Understand environmental drivers
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WHAT NEEDS RE-INVENTION?
Scientific Factors
Professional Factors – Clinician-Scientists – Professional career pathways – The changing roles of academic medical centers
Socio-economic factors
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Bridging the translational divide Standard Model
Laboratory Research
Translational Research
Population Research
Clinical Research
Public Health
T1 T2 T3 T4
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Bridging the translational divide The Way it Should Work
Laboratory Research
Patient-oriented Clinical Research
Population-based Clinical Research
Clinical Trials
TRANSLATIONAL MEDICINE A NEW DISCIPLINE
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Scientific Factors T1 translational research
Many targets, many cellular and animal models but low predictivity in human disease
Heavy reliance on insufficient surrogate biology away from human biology
NEEDS: – More systematic validation of published findings – Development of specific biomarkers related to
hypothesized mode of action in humans – Access to Human disease samples as early as
possible to validate hypothesis – Introduce more potent emerging sampling and
analytical methods for human materials- LCMass Spec, Array readouts, proteomics, single cell analyses
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Scientific Factors T2 Translational Research
Core issues: Predictive Efficacy and Safety – A clear readout of efficacy via surrogate markers – Development of novel methods of predictive safety – Phase 0 and investigational exploratory trials to
confirm mode of action, validate biomarkers –
Need for centers with access to human pathologies and leading edge analytical methodologies
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Scientific factors T3 Translation
Problem: from translation to effective diffusion of translation – Many advances are not applied to the degree
necessary to achieve expected results – Typical of chronic diseases ( hypertension,
diabetes) – Discovering new therapeutic models: Chronic
disease management, novel drug delivery approaches
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Scientific Factors T4 Translation
Limited understanding of population epidemiology especially chronic diseases – Natural prevalence and incidence are estimates – No rigorous system to track epidemiologic trends – Need to use e-Health technologies – Establish surveillance cohorts – Behavioral and social sciences research
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Professional Factors
Clinician-Scientists – Lack of critical « bridge » scientists who
understand basic research and experimental medicine
– Specific translational medicine training centers
Professional career pathways – Need to define a discipline of translational
medicine with a multidisciplinary viewpoint
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The changing roles of academic medical centers
« THE TYRANNY OF RVUs » – Economic model leads to overwhelming clinical
service demands – Focus away from experimental medicine (T1 &
T2) to later stages clinical research (T3&T4) – Inadequate for research on chronic diseases – Need to re-balance clinical service and science
based translational investigations – Interdisciplinary barriers
NEED TO CREATE FLUID MULTIDISCPLINARY
ENVIRONMENTS
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Elias A. Zerhouni, M.D. June 5, 2008
BIOMEDICAL RESEARCH NOW REQUIRES STRONG MULTIDISCIPLINARY EFFORTS
MOLECULAR PATHOLOGY
PHYSICAL SCIENCES
MOLECULAR BIOLOGY
COMPUTER SCIENCE CLINICAL INVESTIGATIONS
BIOENGINEERING
MEDICAL RESEARCH
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A New Paradigm is Needed: A Systems Based Approach
Integrated approaches to research and discovery
Interdisciplinary training Translational research as
a recognized discipline Evolution from
departments to interdisciplinary research centers
Widely shared resources
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TO SUCCEED IN THE LONG TERM
AN ACADEMIC HEALTH CENTER HAS TO BE MORE THAN A HOSPITAL
AND A MEDICAL SCHOOL ….
BUT ALSO A CENTER OF MULTIDISCPLINARY EXCELLENCE
IN THE RELATED PHYSICAL AND BIOLOGICAL SCIENCES WITHOUT
ARTIFICIAL BARRIERS