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Biotech / Medical : NKTR Drug delivery Company
NKTR 55.97+1.5%Nov 7 9:30 AM EST

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To: Miljenko Zuanic who wrote (417)10/4/2018 2:12:52 PM
From: Miljenko Zuanic  Read Replies (1) of 507
 
<The e-mail continues:

Modified T Reg Increase in the Peripheral Blood and Not in the Tumor

NKTR-214 was designed to avoid Treg accumulation in the tumor microenvironment. Our earliest preclinical studies demonstrated the ability to promote transient Treg elevations in the peripheral blood, but not the tumor. Inherent to its design, it is necessary to preserve some binding to IL-2R-alpha because that receptor is needed for T-cell priming reactions in the lymph node.

This does not make any sense to us. There is no viable explanation for why NKTR-214 would have the same impact on peripheral Tregs as IL-2 but magically prevent those Tregs from entering in the tumor microenvironment—unless Tregs simply don’t accumulate in the tumor microenvironment, in which case IL-2 also does not cause a Treg increase in the tumor microenvironment and NKTR-214 is not actually adding any value.>

From SA, refute on NKTR short refute report: seekingalpha.com

Main issue on this ongoing debate is 1) Treg/Tefect (Cd4+ v CD8+) anti-tumor immune response, 2) peripheral lymphocyte proliferation and level increase versus intratumoral (localized) ----> therapeutic effect versus toxic effect,....3) additive/cumulative versus diminished drug-combination approaches???

Both side have points to make.....but, clinical data are one that will prove one or other. So far NKTR is loosing,....any further delay in PIVOT data presentation will add more fuel on fire!

My Q is: "Are oncologist/researchers at Anderson Cancer Center that stupid to promote something in Abstract Title that dose not make ANY SENSE in real world????"
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