Comparative study between the efficacies of azathioprine and mesalazine in the treatment of severe alopecia areata.

Various systemic agents have been assessed for treatment of alopecia areata; however, there is a paucity of comparative studies. To compare the efficacy of azathioprine versus mesalazine in the treatment of severe alopecia areata. Our study was carried out in 30 patients with severe alopecia areata divided into two groups, group A: fifteen patients were treated by azathioprine in an oral dose of 1-2 mg/kg/day and group B: fifteen patients were treated by mesalazine in an oral dose of 15-30 mg/kg/day in two divided doses. The treatment was considered effective if percentage regrowth of hair was determined by change in SALT score >50 from base line after 6 months of treatment. The treatment was continued for 3-6 months after complete remission to minimize the risk of relapse. The dose was gradually tapered during this time. The study found that there is statistically significant difference between mean SALT scores before treatment and after 6 months of treatment in both groups. In group A, SALT score at base line was 84.42 ± 17.41, after 6 months it was 35.95 ± 35.79 (p value 0.04). In group B, SALT score at base line was 73.06 ± 22.10, after 6 months it was 23.04± 12.27 (p value 0.037). Changes in SALT score after 6 months were -27.74 ± 20.66 in group A and -60.42±38.41 in group B (p value 0.055). Mesalazine may be considered as effective as azathioprine with lesser side effects. Azathioprine is also considered safe. However, a large group study should be performed to confirm these findings. © 2021 Wiley Periodicals LLC.

Citation

Randa Al Sayed Mahgoob, Emad Eldin Elgamal, Osama Magdy Elshahat, Samir Atef Almetwaly. Comparative study between the efficacies of azathioprine and mesalazine in the treatment of severe alopecia areata. Journal of cosmetic dermatology. 2022 Aug;21(8):3444-3450

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PMID: 34918459

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