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Probiotic Intervention on the Development of Allergic Diseases in Infants Exposed to Antibiotics Early in Life

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Editor's note
Early antibiotic exposure disrupts infant gut development and increases allergy risk, yet clinical evidence for probiotic rescue remains sparse—this trial targets the precise vulnerable window where intervention might matter most. The finding sits at evidence frontier territory: mechanistic rationale is solid, but the specific question of whether probiotics can reverse antibiotic-induced immune dysfunction in infants remains unanswered. Pediatricians, allergy specialists, and perinatal care teams should watch for results that could reshape early-life antibiotic stewardship.

Source: ctgov · Peking University Third Hospital · NOT_YET_RECRUITING · 2026-05-11

URL: https://clinicaltrials.gov/study/NCT07532421

AI rationale (4/5, tier: unclassified): Directly addresses intestinal barrier stabilization, microbiota-host signaling, and immune regulation mechanisms in gut mucosa.

Early antibiotic exposure is an important environmental factor that disrupts the establishment of the infant gut microbiota and leads to microbial dysbiosis. Accumulating epidemiological evidence indicates that exposure to antibiotics early in life (including both prenatal and postnatal periods) is significantly associated with an increased risk of allergic diseases in childhood. As live microorganisms, probiotics hold potential as a preventive strategy against allergies due to their ability to stabilize the intestinal barrier and regulate immune balance (e.g., promoting Th1/Th2 balance, inducing regulatory T cells, and increasing sIgA secretion). However, current studies have mostly focused on general or high-risk infant populations. For the specific high-risk subgroup that has already been exposed to antibiotics early in life, high-quality randomized controlled trial evidence is still lacking regarding whether probiotic intervention can effectively reduce the incidence of allergies a

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Published 2026-05-28 · Last kit-update 2026-05-28