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Effect of dietary fiber intake on sleep bruxism

Effects of dietary fiber intake on gut microbiota, sleep, and sleep bruxism

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT1062250004
Enrollment
40
Registered
2025-04-28
Start date
2025-04-28
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

Sleep bruxism

Interventions

Intervention content for the intervention group During the intervention period (3 weeks), the study subjects will be provided with three low-fiber meals (boxed lunches), a research beverage containing

Sponsors

Daisuke Ekuni
Lead Sponsor
Toyama Naoki
Collaborator
Nagase Viita Co., Ltd.
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: The subjects are Japanese people aged 18 years or older who are healthy and have sleep bruxism and do not require medical treatment at a hospital. Patients who have received a full explanation of this study and who are able to provide written consent to participate in the study of their own free will.

Exclusion criteria

Exclusion criteria: Smokers Excessive alcohol drinkers (average of 20g or more of pure alcohol per day) Those taking calcium antagonists and selective serotonin reuptake inhibitors Those with insomnia or those who regularly use sleeping pills Those who are obese or underweight Those who have taken antibiotics within 3 months of starting the study Those with food allergies Pregnant women or women who may be pregnant Breastfeeding women

Design outcomes

Primary

MeasureTime frame
Change in the number of sleep bruxism incidents per hour

Secondary

MeasureTime frame
Intestinal flora, fecal short-chain fatty acid content, objective sleep quality, subjective sleep quality

Contacts

Public ContactEkuni Daisuke

Graduate School of Medicine, Dentistry and Parmaceutical Sciences, Okayama University

dekuni7@md.okayama-u.ac.jp+81-862356712

Outcome results

None listed

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