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The first-quarter curtain falls on Pieris and Gamida

Pieris and Gamida Cell limped on into 2024, but as the first quarter comes to a close they've effectively thrown in the towel. Pieris says it looked into numerous ways to keep its R&D going, including contacting over 500 potential partners and starting merger talks with one, but these came to nothing. It’s now discontinuing R&D and scaling back to remain little more than a vehicle to collect possible future milestones from Servier, Pfizer and Boston Pharmaceuticals, perhaps hoping to copy the recent success of Merrimack. Meanwhile, Gamida is being taken private by Highbridge Capital, which holds a $75m convertible bond in Gamida, but which will now convert this into equity, effectively squeezing out remaining holders. Gamida fell from grace a year ago when it axed preclinical NK cell projects – in common with Fate and Nkarta it found the going tough in this space – and Highbridge will now fund commercialisation of its US-approved allogeneic stem cell transplant donor source, Omisirge. Pieris mainly focused on developing bispecifics, including 4-1BB-co-stimulated proteins, but this approach has fallen out of favour after disappointments at Alpine Immune Sciences, Lilly, Numab and Inhibrx.

 

The ups and downs of Pieris and Gamida Cell

CompanyIPOSelected earlier projectsOutcomeFuture focus
Pieris Pharmaceuticals$23m raised in Jun 2015PRS-343 (cinrebafusp alfa), anti-HER2 x 4-1BB fusion proteinCompany tried and failed to find a merger partnerCollecting potential future milestone & royalty payments from Servier (PRS-344), Pfizer (PRS-346) & Boston Pharmaceuticals (PRS-342)
PRS-344, anti-PD-L1 x 4-1BB MAb
PRS-346, anti-CD228 x 4-1BB fusion protein
PRS-342, anti-GPC3 x 4-1BB MAb
PRS-110, cMet antagonist
PRS-332, anti-PD-1 x Lag3 fusion protein
Gamida Cell$50m raised in Oct 2018GDA-201 (nadravaleucel), unmodified donor-derived NK cells for NHLCompany tried and failed to find a partner for Omisirge (omidubicel)As a private company commercialising Omisirge as a stem cell transplant adjunct
GDA-301, NK cells with CISH knockout & mbIL-15
GDA-401, undisclosed NK cell project
GDA-501, anti-HER2 Car-NK therapy
GDA-601, anti-CD38 Car-NK therapy

Source: OncologyPipeline.