Healthy volunteers
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Healthy with subjective complaint of intolerance to cold
Exclusion criteria
Exclusion criteria: 1) Taking medicines or functional food that may affect the trial 2) Participation in any clinical trial within 90 days of the commencement of the trial 3) In pregnancy or nursing a child 4) History of severe disease and/or major surgery 5) Judged as ineligible by clinical investigators
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Change from baseline of mean body surface temperature of the following parts measured by infrared thermography (Time frame: Every 4 weeks between 0 and 20 weeks) - Fingertip (the first joints of 5 fingers) - Toe | — |
Secondary
| Measure | Time frame |
|---|---|
| 1) Change from baseline of maximum and minimum body surface temperature of the following parts measured by infrared thermography (Time frame: Every 4 weeks between 0 and 20 weeks) - Fingertip (the first joints of 5 fingers) - Toe 2) Change from baseline of mean, maximum, and minimum body surface temperature of the following parts measured by infrared thermography (Time frame: Every 4 weeks between 0 and 20 weeks) - Forearm - Hand - Lower thigh - Foot 3) Change of subjective symptoms of intolerance to cold by a modified VAS (Time frame: 0, 8, 12, and 20 weeks) 4) Change of basal body temperature (Time frame: Everyday throughout the trial) 5) Recovery of body surface temperature after cold water loading test (Subjects immerse their hands in 10 degrees C water for 1 min, and then the body surface temperature of fingers and backs of their hands are measured at 0, 5, and 10 min later by infrared thermography.)(Time frame: Every 4 weeks between 0 and 20 weeks) | — |
Countries
Japan
Contacts
Hiroshima University, Institute of Biomedical & Health Sciences Project Research Center for Clinical Trial and Preventive Medicine