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Safely Enhancing Drug Delivery to the CNS
An Innovative Platform Technology
Sijme Zeilemaker, MSc
Business Development Associate
to-BBB
Science meets Business
September 2013
Background
2005 – 2011 Biomedical Sciences at Leiden University
2008: LACDR internship
Master Biomedical Sciences – Management
Science Based Business
2010: Business Internship
A start-up company in neuroscience…
Blood-Brain Barrier
600 kilometer
Every neuron has its
own capillary
• G-Technology®
: safe brain delivery technology
• Glutathione: safe brain targeting mechanism
• PEG-liposomes: well-established delivery technology
• Strong patent protection on any drug combination
to-BBB’s brain drug delivery platform
G-Technology: mechanistic validation in vitro
5 times more in brain  improved anti-cancer effect
b r a in c a n c e r ( U 8 7 M G - l u c )
t r e a t e d w i t h D O X I L o r 2 B 3 - 1 0 1
0 4 8 1 2 1 6 2 0 2 4 2 8
0 %
2 5 0 0 %
5 0 0 0 %
7 5 0 0 %
1 0 0 0 0 %
1 2 5 0 0 % s a lin e
D O X I L 5 m g / k g
2 B 3 - 1 0 1 5 m g / k g
d a y s a f t e r s t a r t o f t r e a t m e n t
G-Technology: mechanistic validation in vivo
Doxil/Caelyx: PEG liposomal doxorubicin
2B3-101: Glutathione-PEG liposomal doxorubicin
2B3-101: confirming the safe brain delivery platform
Lead product 2B3-101 treating patients with brain cancer
•Therapeutic dosages reached with a predictable safety profile
•Favorable long circulation plasma half-life of 64 hours
•Early signs of clinical efficacy with partial responses and stable disease
•Results to be presented at European Cancer Congress, Amsterdam
2-fold business model: internal development
Enhanced uptake across CNS
•Safe, endogenous mechanism
Increased half life
•Reduce dosing
frequency
Liposomal shielding
•Reduce side effects
Strong IP protection
•Life Cycle Management
2-fold business model: pharma/biotech partnering
this could be your
compound!
Business Development: all about partnering
Pharma*
:
Mid-size pharma / biotech*
:
Grants:
*examples
Business Development: getting done more… with less
Pharma*
:
Mid-size pharma / biotech*
:
Grants:
*examples
build a leading company in
brain drug development
build a leading company in
brain drug development

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SmB café 12 Sep '13 - ToBBB - Sijme Zeilemaker

  • 1. Safely Enhancing Drug Delivery to the CNS An Innovative Platform Technology Sijme Zeilemaker, MSc Business Development Associate to-BBB Science meets Business September 2013
  • 2. Background 2005 – 2011 Biomedical Sciences at Leiden University 2008: LACDR internship Master Biomedical Sciences – Management Science Based Business 2010: Business Internship
  • 3. A start-up company in neuroscience… Blood-Brain Barrier 600 kilometer Every neuron has its own capillary
  • 4. • G-Technology® : safe brain delivery technology • Glutathione: safe brain targeting mechanism • PEG-liposomes: well-established delivery technology • Strong patent protection on any drug combination to-BBB’s brain drug delivery platform
  • 6. 5 times more in brain  improved anti-cancer effect b r a in c a n c e r ( U 8 7 M G - l u c ) t r e a t e d w i t h D O X I L o r 2 B 3 - 1 0 1 0 4 8 1 2 1 6 2 0 2 4 2 8 0 % 2 5 0 0 % 5 0 0 0 % 7 5 0 0 % 1 0 0 0 0 % 1 2 5 0 0 % s a lin e D O X I L 5 m g / k g 2 B 3 - 1 0 1 5 m g / k g d a y s a f t e r s t a r t o f t r e a t m e n t G-Technology: mechanistic validation in vivo Doxil/Caelyx: PEG liposomal doxorubicin 2B3-101: Glutathione-PEG liposomal doxorubicin
  • 7. 2B3-101: confirming the safe brain delivery platform Lead product 2B3-101 treating patients with brain cancer •Therapeutic dosages reached with a predictable safety profile •Favorable long circulation plasma half-life of 64 hours •Early signs of clinical efficacy with partial responses and stable disease •Results to be presented at European Cancer Congress, Amsterdam
  • 8. 2-fold business model: internal development
  • 9. Enhanced uptake across CNS •Safe, endogenous mechanism Increased half life •Reduce dosing frequency Liposomal shielding •Reduce side effects Strong IP protection •Life Cycle Management 2-fold business model: pharma/biotech partnering this could be your compound!
  • 10. Business Development: all about partnering Pharma* : Mid-size pharma / biotech* : Grants: *examples
  • 11. Business Development: getting done more… with less Pharma* : Mid-size pharma / biotech* : Grants: *examples build a leading company in brain drug development build a leading company in brain drug development