That's a roller coaster for this drug; Started off as high blood pressure candidate, ends up at Alzheimer's candidate (with a detour in the middle of course).
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4054509/
Sildenafil is used for pulmonary hypertension, oddly after it’s approval for erectile dysfunction. I guess that’s a home run?
And let’s not forget, Google wouldn’t be where it is today without all the ads it sold for “natural” viagra from overseas pharmacies.
Hah I wonder if anyone has measured the size of those "markets"
Le Roux's RX Limited in particular was running hundreds of millions of dollars per year. [1] Some estimates put his take at $400M total. [2] I bet Ratliff has some specific estimates in Mastermind.
[1] https://www.dw.com/en/from-programmer-to-gangster-boss-the-u...
[2] https://www.startribune.com/how-minnesota-agents-helped-find...
Chump change for Google when they settled it, but basically free venture capital when they booked it as revenue:
https://amp.theguardian.com/technology/2011/aug/24/google-se...
Overseas pharmacies like RX Limited, the one run by Paul Le Roux. [1]