In an open-label , randomised clinical trial , we assigned subjects with recurrent C. difficile infection to receive : FMT , short regimen of vancomycin ( @mg four times a day for @days ) , followed by one or more infusions of faeces via colonoscopy ; or vancomycin , vancomycin @mg four times daily for @days , followed by @-@mg / day every @-@days for at least @weeks .