Healthy population
Conditions
Interventions
Sustained-release vitamin C preparations
Normal vitamin C preparations
Sponsors
other
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1)Healthy men and women between 20 and 50 years old 2)18.5 kg/m2 or more and less than 30.0 kg/m2
Exclusion criteria
Exclusion criteria: 1)Participants with a history of serious illness or gastrointestinal surgery 2)Participants with diseases affecting gastric excretion and digestion/absorption, or with daily symptoms of indigestion, constipation, diarrhea, etc. 3)Participants with abnormal renal function, liver function, sugar or lipid metabolism 4)Participants who have concerns about their physical condition, such as headache, abdominal pain, or mental disorder. 5)Participants whose hemoglobin value is less than 11g/dl or who tend to be anemic at the most recent physical examination. 6)Participants whose total cholesterol is less than 120 mg/dl or who have a tendency to have a low appetite at the most recent physical examination. 7)Participants who regularly use medicines or supplements containing vitamin C group 8)Participants who are unable to discontinue taking medicines or supplements containing vitamin C group after obtaining consent 9)Heavy drinker or smoker of alcohol 10)Currently pregnant or lactating, or may become pregnant or lactating during the study period 11)Participants who have difficulty in having blood samples taken over time 12)Participants deemed unsuitable by the principal investigator
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| AUC for vitamin C concentration in blood | — |
Secondary
| Measure | Time frame |
|---|---|
| Blood vitamin C concentration at time point, Cmax, Tmax. | — |
Countries
Japan
Contacts
Public Contactmasaya tsubokawa
FANCL Research Institute clinical trial group
Outcome results
None listed