The Challenge of the Gluten Challenge

I have a gluten free diet that isn't ideal, but effective to help with my celiac. So, the drug companies have to make a good argument to me that their drug will help alleviate symptoms and prevent damage to my intestines in order for me to spend my hard earned money on their solution. This begs the question - can someone prove to me that their drug works without a gluten challenge?

Leaky gut

Leaky gut or the idea that the gut is overly porous and things that should be contained within the digestive tract are leaking out into the body causing disease. This is a common idea in the pantheon of Facebook groups, naturopathic doctors, functional medicine, chiropractors, and other less traditional medical arenas. But is it legit?