Roche Exercises its Option to Further Develop and Commercialize Memory Pharmaceuticals' Nicotinic Alpha-7 Agonist...(d is currently being evaluated in a Phas...),Health

Date:5/2/2008

d is currently being evaluated in a Phase 2a trial in CIAS, with top-line results expected in the fourth quarter of 2008. The trial is expected to enroll approximately 160 patients and is designed to assess the safety, tolerability and cognitive effects of three doses of MEM 3454 in patients with CIAS. In addition, Memory Pharmaceuticals and Roche recently expanded their schizophrenia development program for MEM 3454 to include a biomarker study, which will be funded by Roche. Memory Pharmaceuticals expects to initiate the biomarker trial this summer, with results expected by early 2009.

MEM 3454 is a partial agonist of the nicotinic alpha-7 receptor, a highly specialized receptor found in the central nervous system. Compounds acting on this receptor could be beneficial in the treatment of Alzheimer's disease and schizophrenia, as well as other psychiatric and neurological disorders.

Conference Call Information

Memory Pharmaceuticals will hold a conference call today, May 2, 2008 at 9:00 a.m. EDT to discuss this announcement. The conference call will also be broadcast live from the "Investors" section of the Company's website. Memory Pharmaceuticals' senior management will host the conference call. Investors and other interested parties may access the call as follows:

Date: Friday, May 2, 2008

Time: 9:00 a.m. EDT

Telephone (U.S.): 866.314.4483

Telephone (international): 617.213.8049

Participant Passcode: 38691567

Webcast: http://www.memorypharma.com under the

"Investors" section

An audio replay of the conference call will be available from 11:00 a.m. EDT on Friday, May 2, 2008, until Friday, May 9, 2008. To access the replay, please dial 888.286.8010 (U.S.) or 617.801.6888 (international) and enter passcode number 95627100. An au
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SOURCE Memory Pharmaceuticals Corp. Copyright©2008 PR Newswire. All rights reserved

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