Regulators take a growing interest in drug-makers’ moves to protect profits

Executives at drug company Actavis knew they had to move fast to avoid a plunge in sales of their top-selling drug, Namenda, a treatment for Alzheimer’s disease that would lose patent protection in July. When that happened, generic knockoffs would flood the market, and doctors and pharmacists could switch patients to the lower-cost equivalents. Jerry Avorn, professor of medicine at Brigham and Women’s Hospital, is quoted.

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