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A randomized, double-blind, placebo-controlled, parallel-group study to explore the efficacy of fermented citrus juice containing lactic acid bacteria on the oral immunotherapy for cow's milk allergy: a pilot study

A randomized, double-blind, placebo-controlled, parallel-group study to explore the efficacy of fermented citrus juice containing lactic acid bacteria on the oral immunotherapy for cow's milk allergy: a pilot study - TOY Study: Tokyo Oral Immunotherapy and Probiotics for Milk allergy Study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000030805
Enrollment
60
Registered
2018-01-15
Start date
2018-01-29
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

cow&#39

Interventions

125ml citrus juice fermented with lactic acid bacteria and oral immunotherapy for cow&#39
s milk allergy every day for 24 weeks 125ml citrus juice without lactic acid bacteria (placebo) and oral immunotherapy for cow&#39
s milk allergy every day for 24 weeks

Sponsors

National Center for Child Health and Development
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) cow's milk allergy diagnosed by oral food challenge test 2) children who have a plan to take oral immunotherapy for cow's milk allergy 3) 1-18 years old children with parental signed informed consent. 4) Voluntary willingness and ability to comply with the study requirements and procedure after obtaining informed consent.

Exclusion criteria

Exclusion criteria: 1) allergy to study juice and citrus 2) Taking oral immunotherapy for the other foods except cow's milk 3) Children born before 37 weeks of gestation 4) Twin or multiple birth 5) Children who participate in the other clinical studies 6)Children whose siblings participate in this study 7) Taking immunosuppressive agents and/or oral and/or intravenous steroids 8) Children whose family may not complete all study visits because of house-moving 9) Parents unable to understand Japanese 10) Children with any severe comorbidity 11)Children judged as inappropriate for the study by a study doctor

Design outcomes

Primary

MeasureTime frame
Proportion of participants who were improved on their threshold dose to cow's milk provoked with oral food challenge test after completing the intervention for 24 weeks.

Secondary

MeasureTime frame
Adherence -consumed volume and days of taking the study juice of taking the study juice Feasibility -perticipation rate of the study -withdrawal rate of the study -deviation rate of the study Efficacy -the change from baseline after the end of intervention for 24 weeks in cow's milk, casein, and beta-lactoglobulin-specific IgE in serum. -the change from baseline after the end of intervention for 24 weeks in cow's milk, casein, and beta-lactoglobulin-specific IgG4 in serum. -the dose of milk intake in oral immunotherapy at the end of the intervention for 24 weeks. Exploratory -the change from baseline after the end of intervention for 24 weeks in cytokines and chemokines. -gut microbiota after the end of intervention for 24 weeks -the change from baseline after the end of intervention for 24 weeks in gut microbiota

Countries

Japan

Contacts

Public ContactKiwako Yamamoto-Hanada

TOY Study Coordinating Office Division of Allergy, National Center for Child Health and Development

allergy_research@ncchd.go.jp+81-3-3416-0181

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026