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Biotech / Medical : MGI Pharma MOGN New patents, anti cancer

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To: seminole who wrote (636)2/6/1998 9:13:00 AM
From: Biomaven  Read Replies (2) of 1826
 
Richard -

I'm confused with the info in the reference you cited. Compare

>> Further dose escalation is ongoing at 6.0 mg/m2/day, with an estimated MTD of 8.04 mg/m2/day according to the mCRM.>>

with an earlier post by David Cathcart on this thread:

>>
> Do you know which dose MOGN is now administrating, and are there any evidence of the side effects?<
The current MGI 114 dose rate is 14 mg/m^2. The next dose rate of 19 mg/m^2 is expected to occur this month. All signs of toxicity thus far have been considered minor and easily manageable. Dose limiting toxicity is now expected to occur at 20 mg/m^2 or higher.>>

Maybe your reference related to earlier in the study?

There is also a discrepancy with the toxic dose in dogs. Compare Joseph von Meister's post:

>>I specualte that the reason for this was that 114, when tested on dogs, caused toxicity at 8-9 mg/m^2>>

with your reference:

>>Dose-limiting toxicities have not occurred despite doses of MGI 114 exceeding 3 mg/m2/day which induced severe myelosuppression in dogs.>>

I wonder if the confusion stems from the mg/m^2 vs. mg/kg dosage conversion?

Peter
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