NCT02561429

Comparison of Difference Histamine Concentration (1, 5 and 10 mg/ml) for Skin Prick Test Positive Control

Comparison of Difference Histamine Concentration (1, 5 and 10 mg/ml) for Positive Control of Skin Prick Test

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 180 (actual)
• Sponsor: Mahidol University · Academic / Other
• Sex: All
• Age: 7 Years – 60 Years
• Healthy volunteers: Not accepted

Summary

Skin prick test (SPT) was used for diagnostic test for type 1 hypersensitivity. The efficacy and safety of SPT were proved. The positive control of SPT is histamine. In Thailand, the most common concentration of histamine for SPT is 10 mg/ml. However, in some practice they use other concentration (1, 2.5 mg/ml). This study will find the proper concentration of histamine for positive control use in SPT.

Detailed description

Appropriate concentration of histamine positive control is important in interpretation the result of skin prick test.

Conditions

• Immediate Hypersensitivity

Interventions

Type	Name	Description
PROCEDURE	SPT	SPT of histamine concentration 1, 5 and 10 mg/ml

Timeline

• Start date: 2013-07-01
• Primary completion: 2015-07-01
• Completion: 2015-08-01
• First posted: 2015-09-28
• Last updated: 2016-05-03

Locations

1 site across 1 country: Thailand