Pfizer, J&J Alzheimer's drug fails one of 4 big trials

July 23 Tue Jul 24, 2012 2:46am IST

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July 23 (Reuters) - Pfizer Inc said on Monday its experimental Alzheimer's disease treatment failed to prove effective in one of four high-stakes late-stage trials of the medicine.

The trial involved individuals who carry a variation of a gene called ApoE4 that makes them far more likely to develop Alzheimer's disease. Pfizer said it and its partner Johnson & Johnson will continue with three other late-stage trials of their medicine, called bapineuzumab, based upon a review by independent safety monitors.

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