INF108F in Infants With Food Protein Induced Proctocolitis

This is a single-center, randomized, double-blind, placebo-controlled trial with two arms evaluating IBF108F in breastfed infants with FPIAP. Assessments will be conducted over a 4-week study period with assessment of blood in stool, infant stooling, sleep, feeding, and growth. Safety will be evaluated through collection adverse events.

Inclusion criteria

• Infants, male or female, of all ethnic/racial groups, with a gestational period of 37 to 42 weeks
• Infants aged 1 - 90 days old with a documented FPIAP with either gross blood or microscopic blood in without other possible causes
• Infants must be exclusively breastfed or at least half of oral intake is from breast feeding or from expressed breast milk
• A willing parent or legal guardian will sign the consent form either electronically or with a wet ink signature

Exclusion criteria

• Infants born earlier than 37 weeks of gestation
• Infants who are exclusively formula-fed or less than half of oral intake is from breastfeeding or from expressed breast milk at the time of enrollment
• Infants born with medical complications (i.e., neurological, cerebral palsy, confirmed food allergies)
• Diagnosis of other severe or complicating medical problems, including autoimmune or chronic immune inflammatory conditions, gastrointestinal inflammatory conditions, or renal insufficiency
• History of abdominal surgery or congenital abnormalities of the GI track, the cardiovascular system, the pulmonary system or the renal system
• Antibiotic use (oral or systemic) within 7 days prior to enrollment
• Mother's intent to feed non-study probiotics or solid food to their infant at any time during the study
• Mothers with substance use disorder (SUD) or on Nicotine replacement therapy (NRT)
• Infants who have consumed any B. infantis-containing probiotics since birth