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NY1972

07/02/25 12:33 PM

#713 RE: Jamesballs36 #709

It is an excuse for abbv to pay off friends? LNP is known to congregate to liver. So invivo CART will turn CD8+ cells into CART for a few days. What is going to them migrate to BM from liver?
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jondoeuk

07/06/25 5:15 AM

#723 RE: Jamesballs36 #709

It's too early to say. They have only just started dosing the first healthy volunteers*. We don't know about the biodistribution of the tLNP or if it is able to modify only CD8-expressing T-cells in humans.

Even if it modifies only CD8-expressing T-cells, the T-cells will transiently express the CAR. The next question is do the T-cells in the primary, secondary, and/or tertiary tissues express the CAR long enough (and expand) to enable the required B-cell depletion to induce an 'immune reset.'

As for FT819, we could know in Oct (or Dec) if a registrational trial will happen.

* https://www.businesswire.com/news/home/20250611668181/en/Capstan-Therapeutics-Announces-Initiation-of-Phase-1-Trial-of-Lead-In-Vivo-CAR-T-Therapy-CPTX2309-for-Treating-Autoimmune-Disease