ExonHit Therapeutics Reports Advancements in the Clinical Development of EHT 0202, its Phase II Drug for Alzheimer...(will be evaluated in comparison to place...),Health

Date:2/26/2009

will be evaluated in comparison to placebo. Ambulatory patients suffering from mild to moderate Alzheimer's disease are randomized and receive oral treatment, twice a day, of either 40 or 80 mg of EHT 0202, or placebo over a three-month period. The study design will also allow for the collection of preliminary data related to many clinical efficacy parameters of EHT 0202, notably including a battery of cognitive assessments (ADAS-Cog, NTB, MMSE) but also assessment of patients' daily living activities, global assessment and behaviour.

Study results will be available in Q4 2009.

About EHT 0202

EHT 0202 has a novel mechanism of action when compared to existing Alzheimer's disease therapeutics: it stimulates the alpha-secretase pathway, thus enhancing the production of the procognitive and neuroprotective sAPPalpha fragment of APP (Amyloid Precursor Protein). The stimulation of the alpha-secretase pathway being to the detriment of Abeta amyloid peptide production, EHT 0202 potentially reduces toxic Abeta plaque formation [1].

Phase I studies demonstrated good tolerability of EHT 0202 in both young and aged healthy volunteers; importantly, no sedation or emesis were observed clinically.

Preclinical studies have shown that EHT 0202 protects cortical neurons against Abeta42-induced stress and that this neuroprotection is associated with sAPPalpha induction. EHT 0202 has also demonstrated pro-cognitive properties in several animal models: age-related memory impairment and scopolamine-induced amnesia [2].

About Alzheimer's disease

Alzheimer's disease is the most frequent cause of dementia in the aging population. The World Health Organization estimated in 2001 that 18 million people around the world were suffering from Alzheimer's disease and that this figure could nearly double by 2025 to 34 million [3].

About ExonHit Therapeutics

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