I cannot create a summary of the requested article because the article titled "Breaching the IBD efficacy ceiling, and sham surgeries" is not available in the search results provided. The results contain a server error message (Error 500), which means that the content of the article could not be loaded. The search results provided contain information about other articles related to the therapeutic ceiling in IBD (inflammatory bowel disease), but not the specific article you requested to be summarized.