United States Antidepressant Market Expected to Decline 2.1% Annually Between 2004 and 2009

April 3, 2006 United States Antidepressant Market Expected to Decline 2.1% Annually Between 2004 and 2009The United States antidepressant market is expected to fall 2.1% annually between 2004 and 2009. During the same time span, the volume market share of generics is projected to increase by 75%. In 2004, generic agents held 42% of market share, double the 20% share held in 2000. The trend is expected to continue as branded patents expire over the next five years.  According to a study entitled "The Impact of Generics on the Antidepressant Market" by Peter Norman, Ph.D., the market . . .