Pfizer, the world's biggest drug company, flopped miserably with a seemingly can't-miss idea. But Alfred E. Mann is so certain he can succeed that he is betting nearly $1 billion of his own money on the effort.
Pfizer's failure was a form of insulin that people with diabetes could inhale rather than inject. But last month, after selling only $12 million worth of inhaled insulin in the first nine months of the year, Pfizer said it would take a $2.8 billion charge and abandon the product.
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