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Re: NY1972 post# 16

Tuesday, 08/30/2022 3:17:13 PM

Tuesday, August 30, 2022 3:17:13 PM

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Looking at P1 data from Fate and NKTX, NK cells seem to be effective on indolent lymphoma and nodal DLBCL.



FATE and NKTX have other trials ongoing in certain haematological malignancy. Adoptive transfer can induce long-term and durable remissions after a haploidentical stem cell transplantation in R/R AML. In those that are unable to undergo transplantation across seven published studies (over one hundred patients in total), 34% achieved a complete response to NK cell therapy alone. However, it has been demonstrated that the absence of NKGD2 ligand expression on leukemic stem cells determines therapy resistance and immune escape. PARP1 inhibitors can induce expression of NKG2D ligands, so I would like to see certain combo therapies https://www.nature.com/articles/s41586-019-1410-1

For pts with high tumor burden or aggressive disease, CART will still be needed.



Even for CAR-T, intensive debulking chemo could help those with a high tumour burden https://www.frontiersin.org/articles/10.3389/fonc.2021.706087/full

I listened to NKTX presentation, the number of cycles given to a patient will be up to the oncologist.



In June, NKTX filed a protocol amendment with the FDA for the ongoing PhI trial of NKX019 to optimise the trial's design as the company prepares for potential dose expansion cohorts. The amended protocol, now in effect, allows for an increased dose of cyclophosphamide, in line with NKX101, and various expansion cohorts evaluating NKX019 in combination with rituximab. Also, three doses of CAR-NKs per cycle, with them currently enrolling a cohort testing 1.5 billion cells per dose.

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