Healthy participant Skin prick test Diagnostic Plastic Device Sensitivity Performance Pain Histamine
Conditions
Interventions
The performance of ALK lancet under three different applied forces (30, 45 and 60 g) using a home-made force-controlled device (Applicator). ,The performance of Feather lancet under three different ap
Experimental Procedure/Surgery,Experimental Procedure/Surgery,Experimental Device,Experimental Device,Active Comparator Device
ALK lancet,Feather Lancet,CU Test-1,CU Test-2,Manual ALK and needle
Sponsors
Chulalongkorn University
Eligibility
Sex/Gender
All
Age
18 Years to 60 Years
Inclusion criteria
Inclusion criteria: Healthy subjects in the age of 18 years and over were eligible for enrolment in the study.
Exclusion criteria
Exclusion criteria: The use of antihistamines within the last 7 days of the test, obvious skin lesions, dermographism or atopic dermatitis, a fear of needle, any history of severe allergy, pregnancy, or the use of drugs.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Skin prick test 15 min The mean wheal size was calculated from the average of the lengths along the longitudinal and orthogonal axes of the wheal | — |
Secondary
| Measure | Time frame |
|---|---|
| safety 15 min local adverse effect | — |
Countries
Thailand
Contacts
Public ContactPantipa Chatchatee
Chulalongkorn University
Outcome results
None listed