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Study of inactivation of SARS-CoV-2 in saliva by ingestion of a candy containing tea-derived components in healthy adults

Study of inactivation of SARS-CoV-2 in saliva by ingestion of a candy containing tea-derived components in healthy adults - Study of inactivation of SARS-CoV-2 in saliva by candy containing tea-derived components

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000046705
Enrollment
10
Registered
2023-01-25
Start date
2022-01-25
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

Healthy

Interventions

Single ingestion of candy A Single ingestion of candy B

Sponsors

Kyoto prefectural university of medicine
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Healthy men and women between the ages of 20 and 65 at the time of obtaining the consent document for participation in the exam. (2) Those who have received sufficient explanation about the purpose and contents of this study, have the ability to consent, voluntarily apply for participation after understanding it well, and can consent to participate in this study in writing.

Exclusion criteria

Exclusion criteria: (1) Persons suffering from severe liver disorder, cardiovascular disorder, respiratory disorder, endocrine disorder, metabolic disorder (2) Those who may have an allergic reaction to the test meal (3) Those who are pregnant, breastfeeding, or willing to become pregnant during the test period (4) Those with irregular menstrual cycles (5) Persons with extremely irregular eating habits, shift workers, late-night workers (6)Subjects who are attending other studies or attended other studies within the past 3 months. (7) Persons who regularly use pharmaceuticals (including Chinese herbs) or supplements (8) Those who do not agree with the purpose of the explanation of this study conducted in advance (9) Others who are judged by the investigator to be inappropriate for this study

Design outcomes

Primary

MeasureTime frame
viral titer of saliva

Secondary

MeasureTime frame
Tea-derived components concentration in saliva

Countries

Japan

Contacts

Public ContactMakoto Kobayashi

ITO EN, Ltd. Central Research Institute

m-kobayasi@itoen.co.jp0548541247

Outcome results

None listed

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