Journal of the American Academy of Dermatology · 2011
Irritation and allergy patch test analysis of topical treatments commonly used in wound care: evaluation on normal and compromised skin.
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Trookman Nathan S, Rizer Ronald L, Weber Teresa
Аннотация
BACKGROUND: Topical agents indicated for the treatment of superficial wounds have the potential to cause irritation or allergic contact dermatitis, particularly when applied to an impaired skin barrier.
OBJECTIVE: We sought to compare the irritancy potential of 5 topical wound care products commonly used in dermatologic practice on normal and compromised skin.
METHODS: Agents tested included Aquaphor Healing Ointment (AHO) (Beiersdorf Inc, Wilton, CT); bacitracin; Biafine Topical Emulsion (BTE) (OrthoNeutrogena, Los Angeles, CA); Neosporin (Poly/Bac/Neo) (Johnson & Johnson, New Brunswick, NJ); and Polysporin (Poly/Bac) (Johnson & Johnson). Study 1 assessed cumulative irritation using a modified human repeat insult patch test on normal back skin with an induction phase (test materials applied under occlusive patch 9 times at 48- to 72-hour intervals) and a challenge phase (test materials applied to original and naïve sites for 48 hours, 12-24 days postinduction). Irritation was graded for erythema and type IV allergy skin responses. Study 2 assessed the acute irritation potential of agents on tape-stripped ("wounded") back skin. Test sites were graded for erythema, transepidermal water loss, and skin color (Chroma Meter a∗) (Minolta, Osaka, Japan) at 48 and 72 hours poststripping.
RESULTS: In study 1, cumulative irritation testing in 108 subjects classified AHO, bacitracin, Poly/Bac/Neo, and Poly/Bac as "mild," and BTE as "probably mild." In study 2 at 72 hours, mean clinical grading scores were significantly higher for BTE and Poly/Bac/Neo than AHO. Transepidermal water loss and colorimeter a∗ values were significantly lower for AHO and bacitracin compared with BTE. No allergic contact dermatitis was seen in either study.
CONCLUSIONS: Patch test studies demonstrated that BTE showed the greatest irritancy potential in both normal and compromised skin whereas AHO showed the least.
OBJECTIVE: We sought to compare the irritancy potential of 5 topical wound care products commonly used in dermatologic practice on normal and compromised skin.
METHODS: Agents tested included Aquaphor Healing Ointment (AHO) (Beiersdorf Inc, Wilton, CT); bacitracin; Biafine Topical Emulsion (BTE) (OrthoNeutrogena, Los Angeles, CA); Neosporin (Poly/Bac/Neo) (Johnson & Johnson, New Brunswick, NJ); and Polysporin (Poly/Bac) (Johnson & Johnson). Study 1 assessed cumulative irritation using a modified human repeat insult patch test on normal back skin with an induction phase (test materials applied under occlusive patch 9 times at 48- to 72-hour intervals) and a challenge phase (test materials applied to original and naïve sites for 48 hours, 12-24 days postinduction). Irritation was graded for erythema and type IV allergy skin responses. Study 2 assessed the acute irritation potential of agents on tape-stripped ("wounded") back skin. Test sites were graded for erythema, transepidermal water loss, and skin color (Chroma Meter a∗) (Minolta, Osaka, Japan) at 48 and 72 hours poststripping.
RESULTS: In study 1, cumulative irritation testing in 108 subjects classified AHO, bacitracin, Poly/Bac/Neo, and Poly/Bac as "mild," and BTE as "probably mild." In study 2 at 72 hours, mean clinical grading scores were significantly higher for BTE and Poly/Bac/Neo than AHO. Transepidermal water loss and colorimeter a∗ values were significantly lower for AHO and bacitracin compared with BTE. No allergic contact dermatitis was seen in either study.
CONCLUSIONS: Patch test studies demonstrated that BTE showed the greatest irritancy potential in both normal and compromised skin whereas AHO showed the least.