RE:RE:PirfenidoneAliBaba, and why this should be bad news for PLI? We are talking about 2 drugs with a different mechanism of action. It's not because perfenidone have positive results that it means there will be no market for PBI-4050. Remember, when you have an headake, You can take aspirin, acetamenophen or ibuprofen. They all work in a different way. Another expample is the treatment for AIDS, they used a tri-therapy, just not one single pill.....