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Biotech / Medical : ArQule, Inc. (ARQL)
ARQL 20.000.0%Jan 16 4:00 PM EST

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To: tuck who wrote (227)5/4/2005 10:46:33 AM
From: former_pgs  Read Replies (1) of 545
 
With the caveat that I know nothing...

>a) due to ARQL having developed some inhouse capability in this area through recent hires, etc., as they expanded beyond 501,<

Good chance that this can explain the low external costs. However, my hang-up with this possibility is that the external spending on 650 is high. It is unlikely that they use the in-house capacity purely for one project and not another. It is possible that the stage of research for 550 is just simply at a point where all of the work is internal.

>b) the compound is sufficiently similar to 501 that lots of preclinical work isn't really necessary, and/or<

Dunno. But I personally wouldn't like this option too much because it would be discouraging to see them develop a pegylated / liposomal version when the naked version (arq501) just entered the clinic. What does that say about 501? Most encouraging would be an outright new chemical entity rather than 501 in new digs.

>c) they want to keep trade secrets to themselves, so they're doing it in house<

Sure, but then does that mean they're not carefully protecting 650?

I'm probably making something out of nothing.
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