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Biotech / Medical : Neurobiological Tech (NTII)
NTII 0.00010000.0%Mar 7 3:00 PM EST

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To: Miljenko Zuanic who wrote (148)6/18/1997 10:00:00 AM
From: Dr. John M. de Castro   of 1494
 
This article is much more important than it appears on the surface. Thanks for posting it Miljenko!

As you have pointed out, NTII's memantine patents do not include treatment for ischemic brain damage. However, the patent does include treatment for patients with homcysteineuria. This article clearly indicates that elevated homocysteine levels are present in large numbers of stroke patients and is even a risk factor for stroke. I've been assured by a very knowledgeble source that NTII's memantine patent covers stroke associated with elevated homocysteine levels. Since, this includes most stroke patients, NTII effectively has rights to treat this ischemic disorder with memantine.

Memantine has wide applicability for neuroprotection and the NTII patent rights cover all of these indications except ischemia. This new link with homocysteineuria, however, changes that, and means that the patent rights even extend to ischemia. Hence, it is a potential direct competitor of CNSI's Cerestat. IMO memantine has the greater potential to have the proper combination of safety and efficacy.

The article also suggests that memantine could be used by patients at risk for stroke as a prophylatic. Since it can be take orally and has minimal side effects, it is possible that patients with elevated homocysteine levels at risk for stroke, may be prescribed memantine to prevent the occurrence of a stroke. This opens up an immense and chronic, rather than acute, market for memantine.

Not too shabby for a company with a Market Cap of $16MM !

John de C
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