From: Triptans in the Italian population: a drug utilization study and a literature review
Study
Antecedent period
Study period
Population
Total users
New users
New users (%)
Lugardona (France 2002) [13]
6 months
1,550,000
13,860
8,625
63
Sondergaard (Denmark 2000) [14]
9 months
3 months
472,000
2,463
617
25
Etemad (USA 1988) [8]
1 year
2,000,000
8,488
5,383