Ustuner P, Balevi A, Özdemir M. Best dilution of the best corticosteroid for intralesional injection in the treatment of localized alopecia areata in adults.
J DERMATOL TREAT 2017;
28:753-761. [PMID:
28489468 DOI:
10.1080/09546634.2017.1329497]
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Abstract
PURPOSE
To evaluate and compare the clinical efficacy, dermoscopic results and safety of triamcinolone acetonide (TA) and betamethasone dipropionate (BD) injections at different concentrations in localized scalp and beard alopecia.
METHODS
Intralesional injection of BD or TA in three different dilutions; 1/4, 1/8, 1/12 (BD1, BD2, BD3, TA1, TA2, TA3) and Saline (control) was randomly applied to a total of 231 alopecia patches in 83 patients every four weeks in a maximum of six sessions until a hair regrowth score of 4 was achieved. The number of required sessions, sixth-month hair regrowth scores, treatment success rates and dermoscopic data were investigated.
RESULTS
The mean number of required sessions were similar and significantly lower in BD1 and TA1 being 4.21 ± 1.12 and 3.74 ± 0.99, respectively. Dermoscopic examinations revealed similar terminal hair growth rations in Saline (30.3%), BD1 (44.4%) and TA1 (42.9%). However, sixth-month hair regrowth scores, overall treatment success rates and percentage of terminal hair regrowth were similar in BD1 and TA1. However, adverse effects were more common in TA groups (24.3%) than in BD groups (10.6%) at the sixth month.
CONCLUSIONS
BD ¼ dilution (1.25 mg/dL) seems best corticosteroid for intralesional injection in the treatment of localized alopecia areata in adults.
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