Comparison of Skin Prick Testing Results of Local and Imported Pollen Allergen Extracts and Specific IgE

M

Mahidol University

Status

Completed

Conditions

Immediate Type Hypersensitivity

Treatments

Biological: Pollen sensitization

Study type

Observational

Funder types

Other

Identifiers

NCT02764827
Si246/2556

Details and patient eligibility

About

Pollen allergen extracts are prepared locally and checked for efficacy by comparison to imported allergens and specific IgE.

Full description

Skin prick test (SPT) and specific IgE (sIgE) are approved for evaluation of allergen sensitization. Local allergen extracts are cheaper and more available but need standardization. Pollen allergen extracts: Bermuda, Johnson and careless weed are locally prepared and compared mean wheal diameter of skin prick test to imported allergens and also to specific IgE.

Enrollment

68 patients

Sex

All

Ages

18 to 60 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

Positive skin prick test to Bermuda or Johnson or careless weed

Exclusion criteria

  • Chronic diseases such as heart disease, liver, renal and severe sepsis
  • Severe allergic symptoms such as anaphylaxis
  • Extensive skin rashes
  • Pregnancy

Trial contacts and locations

0

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Data sourced from clinicaltrials.gov

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