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Efficacy of dewaxed brown rice on the symptoms of pollinosis. An open-label, randomized, parallel-group comparative study.

Efficacy of dewaxed brown rice on the symptoms of pollinosis. An open-label, randomized, parallel-group comparative study. - Efficacy of dewaxed brown rice on the symptoms of pollinosis.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000037991
Enrollment
30
Registered
2019-12-01
Start date
2019-12-01
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

Pollinosis

Interventions

Dewaxed brown rice intake Control food intake

Sponsors

The University of Nagano
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Subjects who agree to participate in the current study with a written informed consent. 2) Subjects with symptoms of pollinosis at scattering period of pollen in the past 2 years.

Exclusion criteria

Exclusion criteria: 1) Subjects with nasal and oculer disease that affects the evaluation of the study. 2)Subjects with serious cardiac, cerebrovascular, renal, hepatic and / or metabolic and endocrine disorders, or affected with infectious diseases. 3) Subjects who intake brown rice and cereals for 3 days or more a week. 4) Subjects with allergic to test food. 5) Subjects treated with immunotherapy. 6) Pregnant women and those at risk of pregnancy and lactating women. 7) Subjects who the doctor judged inappropriate for the study.

Design outcomes

Primary

MeasureTime frame
Japan Rhinitis Quality of Life Questionnaire No.1(JRQLQ No.1)

Secondary

MeasureTime frame
Blood biochemical test Total nasal symptom score Total ocular symptom score Medication score

Countries

Japan

Contacts

Public ContactMaya Uenobe

The University of Nagano Faculty of Health and Human Development Department of Food and Health Sciences

uenobe.maya@u-nagano.ac.jp0262172241

Outcome results

None listed

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