There is said to be a hit and miss trials for erectile dysfunction which is suitable for treatment. It was said that in these trials or medications, men should be at least 18 years older and in a steady heterosexual relationship for the past six months or so and simultaneously diagnosed with erectile dysfunction. This will help to determine the case. As of now, there are pharmaceutical companies that are doing research to help in determining or get to the bottom of  the case that deals with erectile dysfunction. Mostly the indicator for this trial is if men were able to maintain sexual intercourse with their partners.