On the Verge of a Biologics Golden Age David Meininger Executive - - PowerPoint PPT Presentation

on the verge of a biologics golden age
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On the Verge of a Biologics Golden Age David Meininger Executive - - PowerPoint PPT Presentation

On the Verge of a Biologics Golden Age David Meininger Executive Director, Molecular Discovery Department of Protein Sciences, Merck & Co., Inc. Biologics: Bringing Innovation to Merck From Virgils Fourth Eclogue Novus ordo seclorum Now


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On the Verge of a Biologics Golden Age

David Meininger Executive Director, Molecular Discovery Department of Protein Sciences, Merck & Co., Inc.

Biologics: Bringing Innovation to Merck

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Now comes the final era of the Sibyl’s song; The great order of the ages is born afresh. And now justice returns, honored rules return; Now a new lineage is sent down from high heaven.

From Virgil’s Fourth Eclogue

Novus ordo seclorum

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Drug Industry Productivity

Source: http://www.forbes.com/sites/matthewherper/2011/08/03/the- best-drug-companies-of-the-decade/

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Pharma R&D Spend

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Small vs. Large Molecule: 1999 – 2009 NPV & IRR

Nature Rev Drug Disc (2009) 8, 609

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Development Success Rates for Large and Small Molecule Therapeutics

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An Industry Trend Toward Biologics

Top 10 Drugs: 2018 Predicted*

  • 1. Humira (arthritis) $ 12.8
  • 2. Januvia/Janumet (diabetes) $ 10.1
  • 3. Enbrel (arthritis)

$ 8.7

  • 4. Lantus (diabetes) $ 8.1
  • 5. Avastin (cancer) $ 7.7
  • 6. Sofosbuvir (hepatitis C) $ 7.4
  • 7. Remicade (arthritis)

$ 7.2

  • 8. Rituxan (cancer)

$ 6.8

  • 9. Revlimid (cancer) $ 6.6

10.Herceptin (cancer) $ 6.2

7 of the top 10 drugs in 2018 predicted to be Biologics

*EvaluatePharma, June 2013: World Preview 2013, Outlook to 2018

Top 10 Drugs: 2012

  • 1. Humira (arthritis) $ 9.6
  • 2. Enbrel (arthritis) $ 8.5
  • 3. Advair (asthma/COPD) $ 8.1
  • 4. Remicade (arthritis) $ 7.6
  • 5. Rituxan (cancer) $ 7.2
  • 6. Crestor (cholesterol) $ 6.8
  • 7. Lantus (diabetes) $ 6.4
  • 8. Herceptin (cancer) $ 6.3
  • 9. Januvia/Janumet (diabetes) $ 6.2

10.Avastin (cancer) $ 6.0

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An Industry Trend Toward Biologics

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Biopharma Pipeline NPV

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Growth by Therapeutic Area

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Total Disclosed Pre-Clinical & Clinical Antibodies by Enabling Discovery Technology

Source data: Tabs database accessed September 23, 2013

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Total Disclosed Clinical Antibodies by Enabling Discovery Technology

Source data: Tabs database accessed September 23, 2013

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Percentage Disclosed Clinical Antibodies by Enabling Discovery Technology

Source data: Tabs database accessed September 23, 2013

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HuCAL GOLD mAb MK-X 2D-Gel Analysis

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Not all mAbs from Mice Have Good CMC Properties

Abscissca Position (min) Rh (nm) Dt Mw Main Peak 19.779 5.62 ± 0.36 (4.45 ± 0.29) e-7 cm²/sec 162700 ± 0.6% Shoulder Peak 18.675 5.67 ± 0.65 (4.40 ± 0.5) e-7 cm²/sec 170200± 0.8%

SEC-MALS Analysis

Main peak Shoulder peak Ipilimumab (Medarex/BMS) runs as two peaks << 150 kDa by SEC, but split peak  150 kDa by SEC-MALS

BioSep-SEC-S 3000 Size 300x7.8mm with 5 micron particle size, PBS + 200mM NaCl pH7.4 0.5mL/min, 30 min, 10 ug Superdex 200 PBS+ 200mM NaCL pH 7.4 0.5mL/min, 60 min, 40 ug

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CMC Engineering

Protein Eng Des Sel (2010) 23, 549 Protein Eng Des Sel (2010) 23, 643

Thermal Stability Viscosity/Solubility

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Bispecifics: Zymeworks

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ADCs: Ambrx

N H O NH2 O HCl

+

Proprietary Conj. & Linker Chemistry mAb

  • f Interest

w/ Ambrx Amino Acid Ambrx Amino Acid Optimized Antibody Conjugate

Orthogonal Conjugation Chemistry

  • Site-specific modification of mAbs
  • Versatile: multiple functionalities possible
  • Rapid: recombinant-based technology

DNA encoding mAb

  • f interest and Ambrx O-tRNA &

O-tRNA Synthetase

1 2 3

Site-Specific Conjugation

4

O O

Rational design to preserve ADCC and compliment binding

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Conclusions

  • Therapeutic Antibodies continue to provide attractive ROI

although the market is maturing

  • Phage display has underperformed as a de novo lead

generation platform in comparison to fully human leads from transgenics and humanized leads from normal mice with this trend expected to persist

  • CMC properties of therapeutic antibodies must be carefully

selected for and/or engineered to bias for clinical and commercial maximum success

  • Bispecifics and ADCs represent compelling growth
  • pportunities
  • Immunotherapy looks extremely promising in the clinic and

will usher in a biologics “golden age”

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Acknowledgements

Merck Biologics Discovery Merck External Scientific Affairs Merck Corporate Licensing Zymeworks Ambrx