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Takeda And Zinfandel Pharmaceuticals Initiate Phase 3 TOMMORROW Trial Of AD-4833 For The Delay Of Onset Of Mild Cognitive Impairment Due To Alzheimer's Disease In Subjects Selected Using A Genetic-Based Biomarker Risk Assignment Algorithm

OSAKA, Japan and DURHAM, N.C., Aug. 26, 2013 /PRNewswire/ -- Takeda Pharmaceutical Company Limited ("Takeda") and its partner, Zinfandel Pharmaceuticals, Inc. ("Zinfandel"), today announced the initiation of TOMMORROW, a global Phase 3 clinical trial investigating a genetic-based biomarker risk assignment algorithm (risk assignment algorithm) to predict risk of mild cognitive impairment (MCI) due to Alzheimer's disease (AD) within a five year period and to evaluate the efficacy of the investigational low dose pioglitazone (designated AD-4833 for this use) in delaying the onset of MCI due to AD in cognitively normal individuals at high risk as determined by the risk assignment algorithm.

The risk assignment algorithm is comprised of apolipoprotein E (APOE) and TOMM40 genotypes and age. Age and APOE genotype have previously been shown to indicate elevated risk of AD. The addition of TOMM40 is hypothesized to further refine the risk determination.

"To date, there have been a number of avenues investigated with the goal of altering the course of Alzheimer's disease but results have been unsuccessful," said Allen Roses, M.D., Chief Executive Officer, Zinfandel. "This is why the TOMMORROW trial is important. The potential to identify an individual's risk for developing MCI due to AD warrants further investigation."

AD is a devastating disease and diagnoses are increasing as the world's population ages. Currently 35.6 million people worldwide are living with some form of dementia. Studies show that individuals with MCI are at an increased risk of developing AD or another dementia with conversion rates of approximately 15 percent per year.

"AD-4833 is a member of a class of drugs known as PPAR (peroxisome proliferator-activated receptor)-gamma agonists which available data show may have a beneficial role in delaying symptoms of MCI due to AD," noted Stephen Brannan, M.D., Central Nervous System Development Therapeutic Area Head, Takeda. "TOMMORROW is a significant study and represents a novel clinical milestone and trial for the Alzheimer's community as it evaluates pre-symptomatic patients."

About the TOMMORROW TrialThe TOMMORROW trial is a global, multicenter, randomized, double-blind, placebo-controlled, parallel-group study. The trial will use a genetic–based biomarker risk assignment algorithm comprised of APOE and TOMM40 genotypes and age, which is being studied to determine the risk of individuals developing MCI due to AD within a five year period. Cognitively normal individuals assessed as low risk will be assigned to receive placebo. Cognitively normal individuals assessed as high risk will be assigned to AD-4833 or placebo. The study duration is approximately five years or the time needed to achieve 410 conversions to MCI due to AD in the high risk group. Approximately 5,800 cognitively normal individuals aged 65-83 at 50 centers worldwide will be randomized into the study. The study will recruit internationally from large, diverse, community-based populations.

The study has two objectives:

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