Symptoms prior to SBI Therapeutics prior to SBI Other therapeutics while on SBI Initial response to SBI Long-term use of SBI and results
Patient #1 Ischemic Colitis  56-year-old Caucasian female 5-10 loose stools daily with abdominal cramps, tenesmus, rectal urgency and intermittent fecal incontinence Anti-cholinergics, anti-diarrheals, antibiotics (metronidazole and rifaximin), dairy-free, gluten-free None After 4 weeks of SBI 5 g QD, patient reported satisfactory management of symptoms with 1-3 semi-formed stools per day with resolution of fecal incontinence. Advised to continue on SBI 2.5 g QD indefinitely.  Decreased SBI to 2.5 g QD due to complaints of abdominal cramps. After a year on SBI 2.5 g QD, colonoscopy was unremarkable.
Patient #2  Pan-Ulcerative Colitis 26-year-old male Repeated flares of 5-10 bloody loose stools with tenesmus and cramping Oral and rectal mesalamine, antibiotics (ciprofloxin and metronidazole), probiotics, oral steroids, adalimumab Adalimumab, oral mesalamine, oral steroids (for the first 8 weeks) After 8 weeks, patient reported significant satisfaction with 1-2 normally formed stools per day and reported no other symptomology.  He was completely removed from oral steroids. Advised to continue on SBI 5 g QD indefinitely while still on adalimumab and oral mesalamine.  After a year with no flares while on all three therapies and no need for steroids, colonoscopy illustrated quiescent colitis with no active inflammation.
Table 1: Summary of patient’s refractory symptoms, other therapeutics, and initial and long-term responses to the inclusion of SBI.