1 drug discovery random search e.g., buying paintbrush, mop, hammer, gluestick, nail, etc. etc. for...
DESCRIPTION
3 Biological Discovery High Volume Screening Combinatorial Diversity Structure, Design, Informatics Lead Series Biodisposition Toxicity Efficacy Pharmacokinetics IND Lead Discovery Iterative Preclinical Research Process R&D FULL TOOLBOX REQUIRED TO COMPETETRANSCRIPT
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1
DRUG DISCOVERY
• Random Searche.g., buying paintbrush, mop, hammer, gluestick, nail, etc. etc.for hanging a picture frame on the wall
• Rational Designe.g., buying a nail for hanging the frame
• Combinatorial Searche.g., buying a box of nails of different sizes for hanging the frame
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2
~ 5 IND
~ 250 in vivo
~ 500 in vitro
> 10,000 compounds
> 15 years ~ 1 NDA > $500 million
Time Cost
WHY COMBINATORIAL CHEMISTRY?
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3
Biological Discovery
High VolumeScreening
CombinatorialDiversity
Structure, Design, Informatics
Lead Series
Biodisposition
Toxicity
Efficacy
Pharmacokinetics
INDIND
Lead Discovery Iterative PreclinicalResearch Process R&D
FULL TOOLBOX REQUIRED TO COMPETE
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GENERATING A COMBINATORIAL LIBRARY
X X X Y Y Y+
……….. 9 products
MIXTURE SYNTHESIS
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5Ser Ala Tyr Arg
SPATIALLY ADDRESSABLE SYNTHESIS
X Y+I)
X Y+II)
X Y+III)
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SPLIT AND MIX STRATEGY
X X X
Y
Y YY
MIX
SPLIT
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SPLIT AND MIX STRATEGY
MIX and SPLIT
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DECONVOLUTION BY TAGGING
Y
Y YY
X X X
MIX
SPLIT
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DECONVOLUTION BY TAGGING (continued)
MIX and SPLIT
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DECONVOLUTION BY ENCODED DNA
MIX and SPLIT
SPLIT
A1
N1
A2
N2
A3
N3
A2A2A1A2
N1N2 N2N2
A3A2
N3N2
A2A1A1A1
N1N1 N2N1
A3A1
N3N1
A2A3A1A3
N1N3 N2N3
A3A3
N3N3
A2 A3 A1