In:
Contact Dermatitis, Wiley, Vol. 87, No. 2 ( 2022-08), p. 170-175
Kurzfassung:
The repeated open application test (ROAT) is an adjuvant investigation measure to patch testing in the diagnosis of allergic contact dermatitis. ESCD recommends a 15 days duration but its overall duration varies according to publications and patients hardly adhere to prolonged ROAT duration beyond 1 week. Materials and Methods The Dermatology and Allergy Group of the French Society of Dermatology performed a prospective study with the aim of determining the best duration for the ROAT. Results A total of 328 ROAT results were collected for topical products, including cosmetics (60%) and topical medications (31.1%). Fifty‐nine (18%) ROATs were positive, and 16 (5%) were doubtful. All the positive ROATs occurred within 10 days, with a median time to positivity of 3 days. Conclusion According to our results, a minimum duration of 10 days is necessary to achieve a positive ROAT to a topical product.
Materialart:
Online-Ressource
ISSN:
0105-1873
,
1600-0536
Sprache:
Englisch
Verlag:
Wiley
Publikationsdatum:
2022
ZDB Id:
2027120-7