Stool Transplants to Treat Refractory Clostridium Difficile Colitis

Inclusion Criteria: * Study entry is open to adults (\>18 years old) who have had three of more episodes of Clostridium difficile colitis within the previous 12 months. Exclusion Criteria: * Absolute neutrophil count \< 500 cells/mm3 * Active infection at other sites (excluding Clostridium difficile) requiring ongoing antibacterial therapy (antiviral or antifungal therapy is acceptable) * Current or planned cytotoxic chemotherapy within 14 days of the potential fecal transplantation date * Life expectancy \<180 days * Diagnosis of inflammatory bowel disease (e.g. Crohn's or ulcerative colitis) * Inability to swallow capsules * Indwelling nasogastric, orogastric, gastrostomy, or jejunostomy tube * History of partial or total gastrectomy * Short gut syndrome requiring total parenteral nutrition * Pregnancy * Documented intestinal parasite infection without documentation of appropriate treatment