Cialis provided extended duration of responsiveness and worked promptly
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In the first of two trials to measure responsiveness, 610 men with mild-to-severe impotence were randomized to receive Cialis 10 mg or placebo in a clinical setting. After taking Cialis, men underwent RigiScan(TM) (a device for measuring the firmness and duration of erections) evaluations during exposure to visual sexual stimulation. Men in the Cialis group were significantly more successful in achieving erections than men in the placebo group, even when evaluated at 36 hours post Cialis dosing.