The whole team (now 70 froggies scattered accross 3 continents) wishes you a Merry Christmas and Happy New Year !

What happened in 2021 at TreeFrog ?

One batch, One week,
15 billion stem cells

We released new data demonstrating unprecedented highly reproducible hiPSC expansion in 10L bioreactors with C-Stem™, together with a benchmark of cell culture technologies for hiPSC mass-production.


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Leap forward in cell therapy manufacturing: highly reproducible stem cell expansion in 10L bioreactors, with exponential growth and preserved quality

$75M Series B
& New CEO

The round was led by Bpifrance Large Venture, with the participation of Leonard Green & Partners, Bristol Myers & Squibb and Xange. Former Board Member Frédéric Desdouits, PhD, was appointed CEO.


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Now 70 froggies, and still growing

We’ve grown from 30 to 70 in 2021, and we’ll hire in 2022 in Bordeaux (France), Boston (USA) and Kobe (Japan).


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Doubling lab capacities in Bordeaux 

We opened a second building in Pessac (900m²), including a 200m² biophysics lab and increased our clean room capacity by 2-fold.


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SPOILER ARLERT – What to expect in 2022 ?

New data in Parkinson’s disease

We’re on track to meet our target of a first-in-human trial in 2024. Exciting new in vivo results to come ! 


Learn about our pipeline

GMP compliant encapsulation

Our first clinical-grade device for high-throughput cell encapsulation will go live by the end of the year ! Automated, closed, 21 CFR part 11 compliant, it will allow to seed bioreactors up to 10L.

TreeFrog-Therapeutics-Invetech-scale-up-cell-therapy-manufacturing-encapsulation-bioreactor

Boston, nous voilà !

Kévin Alessandri, PhD, co-founder, will move to Boston in 2022 to set up a tech hub, with the aim of driving the adoption of the C-Stem™ technology in the U.S.


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Let’s meet in 2022, in the USA, Japan or EU

We will attend over 20 scientific and business events in 2022. Meet us there !


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As we celebrate our third birthday and embark on a new journey – that will lead us to treat our first patients in 2024 – we’d like to address very special thanks to the French ecosystem, which made TreeFrog possible and still supports our ambition to make cell therapies for all.

Wishing you a very successful, healthy and happy 2022 !

Frederic, Kevin, Maxime & Jean-Luc

and the froggies

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