The more important point is why did the FDA approve drug like Zelnorm when it was apparent from the clinical trials that there was serious problems with the drug. I happen to have some insight into the problems that showed up during the clinical trials that eventually resulted in the removal of the drug when give to a larger population. By the way - this is happening to more drugs recently approved by the FDA. Recall they got they hands slapped a year or two ago for approving a number of what are now known to be problematic drugs.
There are many drugs that are approved to one treatment but not approved for another treatment. Rifiximan happens to be one of the those drugs. It is indeed effective for the treatment of traveler's D but the current trials show it is only marginally effective for IBS. Let's see what the experts have to say on the matter next month!
While it is nice to let the FDA know that there are plenty of suffers with IBS it makes no sense to get involved in the decision of whether a drug is effective for treating IBS. That is the sort of thing that should be based on clinical evidence only not on patient sentiments about wishes to have a drug therapy alternative.
Where is the evidence that "If we don't act now then I believe we will be abandoned by the pharmaceuticals"? This sounds like pure scare mongering. Have you looked at drugs that are currently in US clinical trials for treating IBS? There doesn't seem to be any evidence of a decrease.
-------------------- STABLE: ♂, IBS-D 50+ years - Science of IBS
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Re: Let's hope ...
Have you looked at drugs that are currently in 
