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KMID : 0032220200320050402
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Annals of Dermatology
2020 Volume.32 No. 5 p.402 ~ p.408
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Therapeutic Efficacy and Safety of Methotrexate in Moderate-to-Severe Atopic Dermatitis: A Retrospective Study of Korean Patients at Tertiary Referral Hospital
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Lee Ji-Hong
Yun Sook-Jung
Lee Jee-Bum
Lee Seung-Chul
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Abstract
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Background: Methotrexate (MTX) has been prescribed to suppress atopic dermatitis (AD) symptoms and flares in moderate-to-severe cases.
Objective: The purpose of this study was to evaluate the therapeutic efficacy and safety of MTX as well as the suppressive activity of MTX to reduce flares in moderate-to-severe AD patients.
Methods: Patients with moderate-to-severe AD who were treated with MTX at the Chonnam National University Hospital were retrospectively studied.
Results: Total 102 patients (79 males, 23 females) with a median age of 22.0±10.3 years were studied. The median initial dose of MTX was 10.3±2.6 mg/week, and the MTX-weekly dose was increased by 2.5 to 5 mg at an interval of 2 to 4 weeks to a maximum dose of 17.5±2.7 mg/week. The median maintenance dose was 11.7±2.1 mg/week; the median duration of treatment with MTX was 34.0±38.8 weeks. The initial response was noted after 5.8±3.7 weeks. Of the 102 patients, 60.8% (62/102) showed successful treatment response and 39.2% (40/102) showed mild or no improvement. MTX therapy effectively suppressed the frequency of AD flares by more than 50% in 71.1% (32/45) of the patients who responded among the MTX responders group. The most common adverse events were transient liver abnormality (5.9%, 6/102) and gastrointestinal discomfort (3.9%, 4/102), but no serious adverse events occurred.
Conclusion: Our results reveal that MTX is a relatively safe drug to control moderate-to-severe AD with satisfactory therapeutic efficacy and inhibitory activity against AD flares.
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KEYWORD
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Atopic dermatitis, Flare, Methotrexate, Therapeutic efficacy
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