Data for the study were derived from the Thomson Reuters MarketScan® database of Medicare claims. Potential drug interactions were identified using Thomson Reuters DRUG-REAX® System. Study subjects, who were aged 65 years or older, were new antidepressant users who were diagnosed with depression between July 1, 2001, and December 31, 2006.
The study was funded by Sanofi Aventis. Co-authors include Vijay N. Joish, Ph.D., now with Bayer Pharmaceuticals; Joel W. Hay, Ph.D, from the University of Southern California School of Pharmacy; and David V. Sheehan, M.D., M.B.A., from the University of South Florida College of Medicine.