Pharmacokinetics Of Sildenafil Orally Disintegrating Tablet Formulation Versus To Viagra® Oral Tablet.

An Open Label Crossover Study In Healthy Older Male Subjects To Evaluate The Pharmacokinetics And Safety Of Sildenafil Following Fasted Administration Of An Orally Disintegrating Tablet Formulation Of Sildenafil Administered With Or Without Water Relative To Viagra® Oral Tablet With Water

This study will evaluate if an orally disintegrating tablet of sildenafil will have similar pharmacokinetic properties as the conventional tablet of sildenafil.

Inclusion Criteria:

• Otherwise healthy male subjects age 45 years or older with or without erectile dysfunction.

Body Mass Index (BMI) of 17.5 to 32.5 kg/m2.

Signed and dated informed consent document.

Exclusion Criteria:

• Evidence or history of clinically significant abnormalities
• Have baseline orthostatic hypotension
• Positive drug screen, excessive alcohol and tobacco use