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Gut-brain-axis effects of Bifidobacterium longum subsp. longum Dipro-017 against sleep disorders in children: A randomized, double-blind, placebo-controlled clinical trial

Gut-brain-axis effects of Bifidobacterium longum subsp. longum Dipro-017 against sleep disorders in children: A randomized, double-blind, placebo-controlled clinical trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500113606
Enrollment
Unknown
Registered
2025-12-01
Start date
2026-01-01
Completion date
Unknown
Last updated
2025-12-08

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

Conditions

Sleep disorders

Interventions

Probiotic group:Receiving intervention with the Bifidobacterium longum subsp. longum strain Dipro-017 preparation
Placebo group:Receiving placebo intervention

Sponsors

Shanghai Children's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
3 Years to 6 Years

Inclusion criteria

Inclusion criteria: 1. Children aged 3–6 years with a balanced sex distribution; gestational age 37–42 weeks and birth weight 2500–4000 g. 2. A total score of >=41 on the Children’s Sleep Habits Questionnaire (CSHQ) at screening. 3. Willingness to refrain from using any medications or foods that may affect sleep during the study period (e.g., foods containing caffeine or xanthines). 4. Parents or other legal guardians fully understand the study and voluntarily sign the informed consent form before any study procedures are initiated.

Exclusion criteria

Exclusion criteria: 1. Presence of behavioral and developmental disorders, psychiatric disorders, or cognitive impairment. 2. Presence of psychiatric or neurodevelopmental conditions such as anxiety disorders, depressive disorders, intellectual disability, or autism spectrum disorder. 3. Children with brain injury, coma, consciousness disorders, epilepsy, or obstructive sleep apnea–hypopnea syndrome. 4. Use of psychiatric medications (e.g., stimulants, anticonvulsants, antihistamines). 5. Presence of allergic rhinitis, food allergies, or other conditions that may affect sleep quality. 6. Presence of respiratory diseases, acute or chronic diarrhea, or severe cardiovascular, cerebrovascular, hepatic, renal, hematologic, or other systemic diseases. 7. Receipt of any vaccination within the past 4 weeks or planned vaccination during the study period. 8. Use of antibiotics, dietary supplements (e.g., magnesium), other probiotics, or other medications or supplements that may affect sleep within 4 weeks before enrollment. 9. Participation in other clinical intervention studies involving drugs, dietary supplements, probiotics, or prebiotics within the past 3 months. 10. Presence of severe infections or major trauma, or history of medium-to-major surgery within the past month. 11. Known allergy to components of probiotic products. 12. Subjects with potential medical, psychiatric, psychological, or other inappropriate conditions, poor compliance, or deemed unsuitable for the study by the investigator.

Design outcomes

Primary

MeasureTime frame
Sleep Habits Score;

Secondary

MeasureTime frame
Gut microbiota;Gut metabolites;Gut immune markers;Quality of Life Questionnaire Score;

Countries

China

Contacts

Public ContactYanjun Zhao

Shanghai Children's Hospital

zhaoyj@shchildren.com.cn+86 173 0210 8894

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026