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KMU Cranberry On Nocturnal Enuresis for Continence Trial

A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study to Evaluate the Effect of Cranberry Extract on the Urinary Microbiome in Children with Nocturnal Enuresis - A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study to Evaluate the Effect of Cranberry Extract on the Urinary Microbiome in Children with Nocturnal Enuresis

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000060777
Enrollment
50
Registered
2026-02-27
Start date
2026-02-27
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

Nocturnal enuresis

Interventions

Participants will receive cranberry extract supplement (5 tablets) once daily for 3 weeks. Participants will receive placebo (5 tablets) once daily for 3 weeks.

Sponsors

Kansai Medical University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Children aged 5 to 15 years at the time of consent. 2) Outpatients. 3) Gender: Both male and female. 4) Diagnosed with nocturnal enuresis. 5) Patients from whom written informed consent has been obtained from the participant or their legal guardian after sufficient explanation and understanding.

Exclusion criteria

Exclusion criteria: Children who meet any of the following criteria: 1) Use of antibiotics within the last month. 2) Routine consumption of cranberries or cranberry products. 3) Presence of underlying renal or urinary tract diseases. 4) Refusal to participate in this study. 5) Otherwise judged unsuitable for the study by the principal investigator.

Design outcomes

Primary

MeasureTime frame
Relative abundance of urinary microbiota

Secondary

MeasureTime frame
Diversity of urinary microbiota Urine pH Hippuric acid concentration in urine Frequency of nocturnal enuresis Frequency of daytime urinary incontinence Maximum voided volume Fecal organic acid concentration Gut microbiota diversity and functional prediction Nocturnal urine volume

Countries

Japan

Contacts

Public ContactShohei Akagawa

Kansai Medical University Hospital Department of Pediatrics

akagawa.sho@kmu.ac.jp072-804-0101

Outcome results

None listed

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