6 years ago I was involved in an IBS study sponsored by the Pfizer corporation. I tested a new drug called darafenacin (sp?) It worked like a miracle and I have been eagerly waiting for it to become available. So far my doctor hasn't heard of it, and Pfizer hasn't responded to my inquiries. Has anyone else either participated in the study or heard of the drug and when it might be available? It would be nice to know.