(ASCA) - Rome, 14 September - "In the first half of 2011 there was a decrease in pharmaceutical expenditure on national agreements of -6.4 % compared to the same period in 2010, as an effect of the containment measures implemented both at central and regional level". This is what emerges from the data for the first half of 2011 relating to the pharmaceutical expenditure of all the Regions disclosed today by Agenas, the National Agency for regional health services.