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A Stronger Patch Test Elicitation Reaction to the Allergen Hydroxycitronellal Plus the Irritant Sodium Lauryl Sulfate

A Stronger Patch Test Elicitation Reaction to the Allergen Hydroxycitronellal Plus the Irritant Sodium Lauryl Sulfate

S Heydorn, K E Andersen, J D Johansen, T Menné

Contact Dermatitis. 2003 Sep;49(3):133-9.

PMID: 14678209

Abstract:

Household and cleaning products often contain both allergens and irritants. The aim of this double-blinded, randomized, paired study was to determine whether patch testing with an allergen (hydroxycitronellal) combined with an irritant [sodium lauryl sulfate (SLS)] cause a stronger patch test elicitation reaction than patch testing with the allergen (hydroxycitronellal) alone, in patients previously patch tested positive to hydroxycitronellal. A stronger patch test elicitation reaction was defined as at least 1 day of patch test reading showing more positive patch tests (+, ++ or +++) on the forearm patch tested with 6 concentrations of SLS plus hydroxycitronellal than on the forearm tested with 6 concentrations of hydroxycitronellal alone and no day of patch test readings showing more positive tests on the hydroxycitronellal forearm. 15/20 (75%) had at least 1 day of patch test reading with more positive patch tests on the forearm patch tested with SLS plus hydroxycitronellal and no day of patch test readings with more positive patch tests on the forearm tested with hydroxycitronellal (P = 0.0253). Estimation of the blood flow with laser Doppler supported these findings.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP107755	Hydroxycitronellal		107-75-5	Price

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