Never mind just MUSE. There are will be cream application in the not too distant future using the same drug that muse uses. It will be more effective than VIAGRA and it will work almost 4 times faster.
On top of that The placebo response was way to high for viagra almost 40% in Phase II. Alprostadil placebo effect <20%.
On top of that NIH recommends using the least invasive treatment first. I got new for you, a gel directly applied and absorbed throught the skin is less invasive than a systemic drug. Alprostadil using products will be the long term beneficiaries of Pfizer marketing efforts at the GP and consumer levels.