Bayer, GSK to start multinational comparative trials between Levitra and Cialis

Published: 2004-05-06 06:59:00

Updated: 2004-05-06 06:59:00

Bayer Korea and GSK said they are pressing ahead with multinational comparative trials to examine the therapeutic efficacy of both Levitra (vardenafil HCl) and Cialis (tadalafil) in patients with erectile dysfunction (ED), as part of efforts to officially prove the effectiveness of Levitra.

The double-blind studies, which were stated at the end of April 2004, would be conducted in 10 countri...

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