To the Editor.—
Side effects of prolonged use of topical corticosteroids include atrophy, striae, telangiectasia, and linear ulcerations. A rat bioassay model has been developed to evaluate these side effects and similar work has been done by Rist et al (unpublished data, 1977). Vitamin A is known to suppress the inhibitory effects of glucocorticoids on wound repair.2,3 With these facts, we undertook a blind study to see if topical vitamin A would suppress the atrophy and telangiectasia associated with long-term topical corticosteroids.Forty-one-week-old Sprague Dawley rats were separated into four groups, each with a 3-sq cm shaved area on their back. Group one was treated with 0.1 gm of 0.1% halcinonide daily. Group two was treated with 0.1 gm of 0.1% halcinonide plus 7,500 IU of vitamin A ester per milligram of anhydrous lanolin base daily. Group three was treated with 0.1% halcinonide cream daily plus 500 IU of
Rist T, Ruggles CW, Ryan ME, Garcia RL, Osborne D. Suppression of Corticosteroid-Induced Atrophy and Telangiectasia With Vitamin A. Arch Dermatol. 1978;114(4):624. doi:10.1001/archderm.1978.01640160090034
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