Table 1.

Inclusion criteria for enrollment in the trial.

Cognitively intact and willing to provide informed consent
Willing and able to comply with all study procedures for the duration of the study
Able to take oral medications
At least 18 years of age
CDI within the last 180 days with completion of therapy as documented in the electronic medical record
Receiving antibiotics at enrollment for reasons other than CDI and having taken the antibiotics for no longer than 72 h at enrollment
Women of childbearing potential in a sexual relationship with men must use an acceptable method of contraception (including, but not limited to, barriers with additional spermicidal foam or jelly, intrauterine devices, hormonal contraception started at least 30 days before enrollment into the study, or intercourse with men who underwent a vasectomy) for 4 weeks following completion of the study treatment.
Males must agree to avoid impregnation of women during and for 4 weeks following completion of the study treatment
Able to take the test capsule successfully with no signs of dysphagia