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Effects of a carbohydrate-restricted diet on concentration

Effects of a carbohydrate-restricted diet on concentration - Effects of a carbohydrate-restricted diet on concentration

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000046250
Enrollment
30
Registered
2021-12-07
Start date
2021-12-08
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

None listed

Interventions

Intake of a low-carbohydrate diet (single ingestion) - washout period - Intake of a high-carbohydrate diet (single ingestion) Intake of a high-carbohydrate diet (single ingestion) - washout period - I

Sponsors

EP Mediate Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Males and females aged between 20 and 59 (2) Subjects who tend to feel sleepy after lunch (3) Subjects whose blood glucose level is less than 126 mg/dL at the time of preliminary examination

Exclusion criteria

Exclusion criteria: (1) Subjects who have been diagnosed with strabismus or astigmatism (2) Subjects who wear eyeglasses, hard contact lenses, or define contact lenses (3) Subjects who has a history of eye disease within the past six months (4) Subjects who has a history of eye surgery within the past six months (5) Subjects who usually wear false eyelashes, eyelash extensions, mascara, or eye makeup, and cannot remove them on the day of the examination (6) Subjects who do not meet the visual acuity requirements for blink eye measurement (7) Subjects with pacemakers or other implantable medical devices (8) Subjects who are unable to perform PC operations or finger pulse wave measurement and other tests according to procedure due to injury or other reasons (9) Subjects who regularly use food for specified health use or food with functional claims related to blood glucose levels (10) Subjects who are judged as unsuitable for the study based on the medical history (11) Subjects having possibilities for emerging allergy related to the study (12) Subjects who have diseases that require constant medication, or who have a history of serious diseases that required medication treatment (13) Subjects who are judged as unsuitable for the study based on the results of clinical and physical examination on preliminary examination (14) Subjects who are participating in other clinical research at the start of this study (15) Subjects who intend to become pregnant or lactating during the research period (16) Subjects who judged as unsuitable for the study by the investigator for other reasons

Design outcomes

Primary

MeasureTime frame
Eye blink

Secondary

MeasureTime frame
VAS, glucose levels, concentration test, finger pulse wave measurement, surface and deep body temperature

Countries

Japan

Contacts

Public ContactHiroyasu Shimada

EP Mediate Co., Ltd. Foods Department, Trial Planning Section

shimada.hiroyasu767@eps.co.jp090-5219-2774

Outcome results

None listed

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