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An investigation on the safety of excessive consumption of coffee

An investigation on the safety of excessive consumption of coffee - An investigation on the safety of excessive consumption of coffee

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000034289
Enrollment
20
Registered
2018-09-27
Start date
2018-10-15
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

N/A(People with a BMI of at least 18.5kg/m2 and less than 25kg/m2.)

Interventions

Coffee three times a day (three times the standard amount of daily consumption) for 4 weeks

Sponsors

Yutaka Kanamaru
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Adults (men and women) who are at least 20 and under 65 years of age when Informed Consent is taken 2. People with a BMI of at least 18.5 kg/m2 and less than 25 kg/m2 3. People who voluntary give written informed consent to participate in the study before study begins

Exclusion criteria

Exclusion criteria: 1. People who have very irregular dietary habits 2. People on continuous treatment with medication 3. People with medicine or food allergies 4. People using medicine, foods for specified health uses, foods with functional claims, supplements, or diet products that may have an effect on the study 5. People with hypertension , diabetes mellitus, dyslipidemia ,or other lifestyle-related diseases 6. People with gastrointestinal dysfunction, significant liver dysfunction, significant kidney dysfunction, or significant cardiovascular disease 7. People with a history of a gastrectomy/extensive digestive tract excision 8. People with dependence on drugs or alcohol 9. People who are pregnant, nursing, or plan to become pregnant 10. Other people determined to be unsuitable for participation in the study by the principal investigator

Design outcomes

Primary

MeasureTime frame
<Safety> -Interview by physician -Height, body weight and BMI -Blood pressure and pulse -Hematological test -Biochemical test -Urine analysis -Adverse events

Countries

Japan

Contacts

Public ContactKazuo Haruna

Increase Co., Ltd. Clinical Development Department

key001@inc-cro.co.jp03-6231-1394

Outcome results

None listed

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