Clinical data on 19 patients treated using a novel oral formulation for transplanted bacteria were published in 2015 in a study authored by the company founders:

Hirsch BE, Saraiya N, Poeth K, Schwartz RM, Epstein ME, Honig G. Effectiveness of fecal-derived microbiota transfer using orally administered capsules for recurrent Clostridium difficile infection. BMC Infect Dis. 2015 Apr 17;15:191.